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MiniCore RCM5700/RCM6700 User's Manual

1. MiniCore Boards Footprint Figure C 3 MiniCore Boards Footprint All measurements are in inches followed by millimeters enclosed in parentheses MiniCore RCM5700 RCM6700 User s Manual digi com 71 C 3 Using the Prototyping Board The Prototyping Board provides the user with MiniCore connection points brought out conveniently to labeled points below header J2 The pinouts for header socket J2 are shown in Figure C 4 J2 GND Ce sH 3 3 V PE1C o o O PEO PE3OQ 0 o 0 PE2 PESC o o 4 pes SMODEC 0 PE7 PDI o oppo PD3 o of pp2 IRESETO o 4 RESET_IN GND o o H 33 V PCI o of Pco PC3C 2 o PC2 PC5 RxB L o 5 PC4 TxB PC7 RxA L o 9 PC6 TxA PB1 SCLKAL o 5 PBO SCLKB PB3 o o PB2 Pesco 0 4 PB4 PB7C 1 O PB6 GND o o H 43 3 V PAIC o o PAO PA3C o o M PA2 PA5C o o 0 PA4 PA7C o PA6 NOWRO 2 o 5 IORD VBAT_EXTC o 4 STATUS GNDO o 0 3 3V the Top Side Figure C 4 MiniCore Boards Pinout There is a 1 7 x 2 7 through hole prototyping space available on the Prototyping Board The holes in the prototyping area are spaced at 0 1 2 5 mm 3 3 V and GND traces run along the left edge of the Prototyping Board for easy access Small to medium circuits can be prototyped using point to point wiring with 20 to 30 AWG wire between the prototyping area the 3 3 V and GND traces and the surroundin
2. All dimensions are in mm Figure A 4 PCB Standoff Footprint with mini PCI Express Connectors MiniCore RCM5700 RCM6700 User s Manual digi com 53 Table A 5 Standoff Heights Based on mini PCI Express Connector mini PCI Express Connector Standoff Height Remarks Height 6 8 mm 4 4mm Used with Interface Board 9 2mm 6 2 mm Used with Accessory Kit The SMT connectors are ideal in a development environment where the latch connector facili tates swapping MiniCore modules as development progresses The absence of holes also maxi mizes trace routing flexibility on the printed circuit board The standoff option offers better vibration resistance and grounding once you are ready to deploy your application based on the RCMS5700 RCM6700 The Rabbit store sells an accessory kit Part No 101 1306 with the standoffs screws and mini PCI Express connector needed to mount an MiniCore module using the footprint shown in Figure A 4 The heights of the mini PCI Express connector and the associated standoffs in the accessory kit are shown in millimeters at right A 2 Rabbit 5000 and 6000 Microprocessor Characteristics The Rabbit 5000 Microprocessor User 5 Manual and Rabbit 6000 Microprocessor User s Man ual which are included with the online documentation provide complete specifications and tim ing diagrams for the Rabbit 5000 and 6000 microprocessors Rabbit s Technical Note TN227 Interfacing External I
3. FLASHLEDO1 C demonstrates the use of costatements to flash LED DS1 on the Interface Board PDO on the MiniCore is used to drive the LED e FLASHLEDO1A C demonstrates the use of a state machine with standard C constructs to flash LED DS lon the Interface Board PDO on the MiniCore is used to drive the LED e FLASHLEDO2 c demonstrates the use of costatements to detect and debounce switch S1 being pressed on the Interface Board LED DS1 flashes on the Interface Board and the rate at which it flashes changes each time you press switch S1 I O control for the LED is provided by PDO on the MiniCore and PD1 detects the activity on switch S1 e FLASHLEDO2A c detects and debounces switch S1 being pressed on the Interface Board LED DS1 flashes on the Interface Board and the rate at which it flashes changes each time you press switch S1 I O control for the LED is provided by PDO on the MiniCore and PD1 detects the activity on switch S1 MiniCore RCM5700 RCM6700 User s Manual digi com 20 The Digital I O accessory board needs to be installed to run the SWITCHLEDS C and the SERIAL TOSERIAL C sample programs This accessory board is included only with the Deluxe Develop ment Kit To install the Digital I O accessory board insert the strip of header pins included with the acces sory board into the socket at J12 on the bottom side of the Digital I O accessory board Then line
4. ceeeeeeee 17 sample programs sses 20 serial communication drivers 42 U Serial flash cceeeeseeeeereees 43 TCP IP drivers c ccccccccsceeeeeee 43 USB cable troubleshooting cc ssseee 17 CONNECTIONS sesser 15 specifications oc 44 user block accessory boards function calls cece 42 headers ccecssccseesee 77 85 readUserBlock 39 Digital I O accessory board 76 writeUserBlock 39 dimensions 45 Vv electrical mechanical and environmental 48 50 exclusion ZONE sses 47 VBAT RAM memory sses 39 109 digi com MiniCore RCM5700 RCM6700 User s Manual 110 digi com MiniCore RCM5700 RCM6700 User s Manual 111 digi com MiniCore RCM5700 RCM6700 User s Manual 112 digi com MiniCore RCM5700 RCM6700 User s Manual
5. MiniCore RCM5700 RCM6700 C Programmable Ethernet Core Module User s Manual 90001191_F MiniCore RCM5700 RCM6700 User s Manual Part Number 90001191 Printed in U S A 2008 2013 Digi International Inc All rights reserved Digi International reserves the right to make changes and improvements to its products without providing notice Trademarks Rabbit MiniCore Dynamic C Rabbit 5000 and Rabbit 6000 are registered trademarks of Digi International Inc Wi Fi is a registered trademark of the Wi Fi Alliance The latest revision of this manual is available at www digi com Digi International Inc www digi com TABLE OF CONTENTS 1 Introduction 4 4 1 CLOCKS o eecececsesecseseseseeeeeeeeeeeseeesneeeeeseeees 38 1 1 RCM5700 RCM6700 Features 0 6 F Peri Spectrum Spreader sess gt 1 2 Advantages of the RCM5700 and RCM6700 8 Tio APNE MA I EE A 1 3 Development and Evaluation Tools 9 452 Program Flash Memory ooe 39 1 3 1 Standard Development Kit e 9 4 5 3 Mass Storage Serial Flash 39 1 3 2 Deluxe Development Kit 0 ce 9 4 5 4 Encryption RAM Memory ee 39 1 3 3 Software ccceccecceeseesseseesecsecseeneesees 10 1 3 4 Online Documentation cceeee 10 5 Software Reference 2 Getting Started 5 1 More About Dynamic Cudsdvien much 40 21 In 5 2 Dynamic C Function Calls eee 42 Stall Dynamic Cu ee eceeseseeseeseeeteessee
6. A jumper on header JP2 controls the current limiting applied to the power drawn via the mini USB connector the current is nominally limited to 500 mA when no jumper is installed default and is nominally limited to 700 mA when a jumper is installed MiniCore RCM5700 RCM6700 User s Manual digi com 63 B 5 Using the Interface Board The Interface Board is also a demonstration board It can be used to demonstrate the functionality of the MiniCore right out of the box without any modifications to either board The Interface Board comes with the basic components necessary to demonstrate the operation of the MiniCore One LEDs DS1 is connected to PDO and one switch S1 is connected to PD1 to demonstrate the interface to the Rabbit microprocessor Reset switch S2 is the hardware reset for the MiniCore The Interface Board provides the user with MiniCore connection points brought out conveniently to header socket J2 Other boards such as the Prototyping Board or the accessory boards from the Deluxe Development Kit can be plugged into header socket J2 The pinouts for header socket J2 are shown in Figure B 5 J2 GND Ce ap 3 3 V PE1 Q 0 o 0 PEO PE3Q o PE2 PE6C o o PE5 SMODEC O PE7 PDI o oppo PD3C o L Pp2 RESET o 7 RESET_IN GNDCJ o L 43 3 V PCI o of Pco PC3C o0 o 3 PC2 PC5 RxB C o L PC4 TxB PC7 RxAQ o L PC6 TxA PB1 SCLKA o 5 PBO SCLKB PB3 o o H PB2 PB5O
7. o PB4 PB7 Q 0 o PB6 GND o o O 43 3 V PAIC o gt PAO PA3C o o C PA2 PA5O 2 o 0 PA4 PA7 gt PA6 NOWRE 4 ORD VBAT_EXTC 7 STATUS GND g E 3 3 V the Top Side Figure B 5 Interface Board Pinout MiniCore RCM5700 RCM6700 User s Manual digi com 64 B 5 1 Add Additional Boards The Prototyping Board and the two accessory boards included with the Deluxe Development Kit may be installed on the Interface Board as shown in Figure B 6 Install header connector strip in bottom socket EJP ETP com gp Figure B 6 Install Additional Boards on Interface Board 1 Insert the header strip into header socket J2 on the Interface Board or the board already installed above the Interface Board 2 Line up the board being installed above the pins extending from the header socket and the stand offs connectors 3 Press down to install the board 4 Insert additional plastic standoffs connectors as shown to hold the board firmly in place and to hold another board if desired When additional boards are installed the board to board spacing is 0 7 17 8 mm Multiple boards should be installed in this sequence from bottom to top e Interface Board with MiniCore installed e Prototyping Board e Serial Communication accessory board e Digital I O accessory board MiniCore RCM5700 RCM6700 User s Manual digi com 65 B 6 Interface Board Jumper C
8. Mini PCI Express socket The Interface Board provides a 52 pin mini PCI Express socket to enable you to install your MiniCore module There is a snap in holder to hold the opposite end of the MiniCore module firmly in place I O Switch and LED One momentary contact normally open switch is connected to PD1 on the MiniCore module and may be read as an input by sample applications One LED is connected to PDO on the MiniCore module and may be driven as an output indica tor by sample applications Ethernet One 10 100Base T Ethernet port is available on the Interface Board with an RJ 45 jack at J3 LNK and ACT LEDs indicate a live Ethernet link and Ethernet activity MiniCore RCM5700 RCM6700 User s Manual digi com 59 B 2 Mechanical Dimensions and Layout Figure B 2 shows the mechanical dimensions and layout for the Interface Board All measurements are in inches followed by millimeters enclosed in parentheses 0 125 dia a2 73 64 Figure B 2 Interface Board Dimensions Table B 1 lists the electrical mechanical and environmental specifications for the Prototyping Board Table B 1 Interface Board Specifications Parameter Specification Board Size 2 50 x 3 75 x 0 60 64 mm x 95 mm x 15 mm Ethernet Port 10 100Base T RJ 45 2 LEDs Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing Input Voltage 5 V DC Output Vo
9. e Competitive pricing when compared with the alternative of purchasing and assembling indi vidual components e Easy C language program development and debugging e Rabbit Field Utility to download compiled Dynamic C bin files e Generous memory size allows large programs with tens of thousands of lines of code and sub stantial data storage e Reference design allows integrated Ethernet port for network connectivity with royalty free TCP IP software MiniCore RCM5700 RCM6700 User s Manual digi com 8 1 3 Development and Evaluation Tools 1 3 1 Standard Development Kit The RCM5700 RCM6700 Standard Development Kit contains the hardware essentials you will need to use your RCM5700 or RCM6700 module These items are supplied in the standard ver sion of the Development Kit e RCM5700 or RCM6700 module e Interface Board with standoffs connectors e Prototyping Board with standoffs connectors e USB cable to program MiniCore via Interface Board e Dynamic C CD ROM including product documentation on disk Getting Started instructions e Registration card USB Cable Prototyping Board saors O00 DORU MiniCore RCMS700W IDC Header Strip Getting Started Interface Board Instructions Figure 1 1 Standard Development Kit 1 3 2 Deluxe Development Kit In addition to the items included in the standard Development Kit the Deluxe Development Kit contains the following items
10. 13 PES Input Output T O Strobe I5 INTI PWM1 RXB RCLKE Input Capture 14 PE6 Input Output T O Strobe 16 PWM2 TXE DREQO PE7 Input Output T O Strobe I7 PWM3 RXA RXE SCLKC DREQ1 Input Capture Serial Port E RESET_IN Input Input to Reset Generator 17 PDO Input Output T O Strobe 10 Timer C0 D8 INTO SCLKD TCLKF QRDIB PD1 Input Output IA6 T O Strobe I1 Timer C1 D9 INT1 RXD RCLKF QRDIA Input Capture MiniCore RCM5700 RCM6700 User s Manual digi com 29 Table 4 3 RCM5700 RCM6700 Pinout Configurations Pin Pin Name Default Use Alternate Use Notes 19 PD2 Input Output T O Strobe 12 Timer C2 D10 DREQO TXF SCLKC QRD2B 20 PD3 Input Output IA7 T O Strobe 13 Timer C3 D11 DREQ1 RXC RXF QRD2A Input Capture Serial Port F 21 PCO Input Output TXD T O Strobe 10 Timer C0 TCLKF 22 PC1 Input Output RXD TXD T O Strobe I1 Timer C1 RCLKF Input Capture Serial Port D 23 PC2 Input Output TXC TXF T O Strobe I2 Timer C2 24 PC3 Input Output RXC TXC RXF T O Strobe I3 Timer C3 Serial Port C 25 PC4 Input Output TXB T O Strobe 14 PWMO 26 PCS Input Output RXB TXB T O Strobe I5 PWM1 Serial Port B The RCM5750 RCM5760 and RCM6700 family serial flash uses Alternate Serial Port B
11. Serial Ports E amp F RESET_IN P i PB1 PC6 STATUS ee Misc I O PC7 JRESET_IN eater SMODEO SMODE1 RESET TxDS TxDO jOWR RxD3 RxDO Clock Doubler Backup Battery Memory amp I O Support Interface Figure 4 10 Use of Rabbit 5000 6000 Ports figurations The ports on the Rabbit microprocessor used in the RCM5700 RCM6700 are configurable and so the defaults can be reconfigured Table 4 3 lists the Rabbit factory defaults and the alternate con MiniCore RCM5700 RCM6700 User s Manual digi com 27 Table 4 3 RCM5700 RCM6700 Pinout Configurations Pin Pin Name Default Use Alternate Use Notes 1 GND 2 3 3 V 3 Tx 4 Rx Not connected on the 5 Tx RCM5710 5760 6710 6760 6 Rx Ethernet Requires external pulldown 7 LNK on the RCM5700 5750 6700 6750 ACT 3 RCM5700 Requires external pullup on 2 5V the RCM5700 5750 RCM6700 T O Strobe I0 A20 Timer CO PE Input Output 9 0 nput Outpu TCLKF INTO QRDIB T O Strobe I1 A21 Timer C1 10 PE1 Input Output RXD RCLKF INTI QRDIA Input Capture T O Strobe I2 A22 Timer C2 11 PE2 Input Output nput Outpu TXF DREQO QRD2B T O Strobe I3 A23 Timer C3 12 PE3 Input Output RXC RXF SCLKD DREQ1 QRD2A Input Capture MiniCore RCM5700 RCM6700 User s Manual digi com 28 Table 4 3 RCM5700 RCM6700 Pinout Configurations Pin Pin Name Default Use Alternate Use Notes
12. e Universal AC adapter 5 V DC 2 A includes Canada Japan U S Australia N Z U K and European style plugs Development Kits sold in North America may contain an AC adapter with only a North American style plug e Digital I O and Serial Communication accessory boards for use with certain sample programs e CAT 5 6 Ethernet cable and DB9 to 10 pin header serial cable e Rabbit 5000 or 6000 Processor Easy Reference poster MiniCore RCM5700 RCM6700 User s Manual digi com 9 1 3 3 Software The RCM5700 RCM5710 is programmed using version 10 44 or later of Dynamic C the RCMS5750 RCM5760 requires version 10 56 or later of Dynamic C and the RCM6700 family requires version 10 64 or later A compatible version is included on the Development Kit CD ROM In addition to the Web based technical support included at no extra charge a one year telephone based technical support subscription is also available for purchase For further information and complete documentation contact your Rabbit sales representative or authorized distributor or visit our Web site at www digi com 1 3 4 Online Documentation The online documentation is installed along with Dynamic C and an icon for the documentation menu can be placed on the workstation s desktop Double click this icon to reach the menu If the icon is missing use your browser to find and load default htm in the docs folder found in the Dynamic C installation folder The latest versions
13. ojm E 7 E a JP8 JP10 e e 0 JP13 JP12 Ejo o oo oo oo Figure D 6 Location of Configurable Jumpers on Digital I O Accessory Board MiniCore RCM5700 RCM6700 User s Manual digi com 80 D 3 2 Add Additional Boards The Prototyping Board and the two accessory boards included with the Deluxe Development Kit may be installed on the Interface Board as shown in Figure D 7 Install header connector strip in bottom socket RRMSEAS7XX j TAL 1 0 LaF EIJAN E i BEGR ERRE GEF Figure D 7 Install Additional Boards 1 Insert the header strip into header socket J2 on the Interface Board or the board already installed above the Interface Board 2 Line up the board being installed above the pins extending from the header socket and the stand offs connectors 3 Press down to install the board 4 Insert additional plastic standoffs connectors as shown to hold the board firmly in place and to hold another board if desired When additional boards are installed the board to board spacing is 0 7 17 8 mm Multiple boards should be installed in this sequence from bottom to top 1 Interface Board with MiniCore installed 2 Prototyping Board 3 Serial Communication accessory board 4 Digital I O accessory board MiniCore RCM5700 RCM6700 User s Manual digi com 81 APPENDIX E SERIAL COMMUNICATION ACCESSORY BOARD Appendix E describes the features a
14. sample programs You will see a TCPCONFIG macro This macro tells Dynamic C to select your configuration from a list of default configurations You will have three choices when you encoun ter a sample program with the TCPCONFIG macro 1 You can replace the TCPCONFIG macro with individual MY _IP ADDRESS MY NETMASK MY GATEWAY and MY_NAMESERVER macros in each program 2 You can leave TCPCONFIG at the usual default of 1 which will set the IP configurations to 10 10 6 100 the netmask to 255 255 255 0 and the nameserver and gateway to 10 10 6 1 If you would like to change the default values for example to use an IP address of 10 1 1 2 for the MiniCore module and 10 1 1 1 for your PC you can edit the values in the section that directly follows the General Configuration comment in the TCP CONFIG LIB library You will find this library in the LIB Rabbit4000 TCPIP folder 3 You can create a CUSTOM _CONFIG LIB library and use a TCPCONF1IG value greater than 100 Instructions for doing this are at the beginning of the TCP_CONFIG LIB library in the LIB Rabbit4000 TCPIP folder There are some other standard configurations for TCPCONFIG that let you select different fea tures such as DHCP Their values are documented at the top of the TCP_CONFIG LIB library in the LIB Rabbit4000 TCPIP folder More information is
15. shared with parallel I O lines plus I O read write 6 high speed CMOS compatible ports e all 6 configurable as asynchronous with IrDA 4 as clocked serial SPI Serial Ports and 2 as SDLC HDLC e 1 clocked serial port shared with programming port Serial Rate Maximum asynchronous baud rate CLK 8 Slave Interface Slave port allows the RCM5700 to be used as an intelligent peripheral device slaved to a master processor Real Time Clock Yes Ten 8 bit timers 6 cascadable from the first Timers one 10 bit timer with 2 match registers and one 16 bit timer with 4 outputs and 8 set reset registers Watchdog Supervisor Yes Pulse Width Modulators 4 channels synchronized PWM with 10 bit counter or 4 channels variable phase or synchronized PWM with 16 bit counter MiniCore RCM5700 RCM6700 User s Manual digi com 48 Table A 1 RCM5700 Specifications Parameter RCM5700 RCM5710 RCM5750 RCM5760 Input Capture 2 channel input capture can be used to time input signals from various port pins Quadrature Decoder 2 channel quadrature decoder accepts inputs from external incremental encoder modules 3 15 V DC min 3 45 V DC max Power 70 mA 3 3 V typical without Ethernet 200 mA 3 3 V typical with Ethernet Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing c i Edge connectors
16. up the Digital I O accessory board with the Interface Board standoffs connectors and install the Digital I O accessory board pins into socket J2 on the Interface Board Secure the Digital I O accessory board with the long plastic standoffs connectors from above as shown in Figure 3 6 Install header connector strip in bottom socket Figure 3 6 Install Digital I O Accessory Board Pins 1 2 3 4 5 6 and 7 8 on headers JP5 and JP8 on the Digital I O accessory board must be jumpered Pins 2 4 and 3 5 on header JP7 on the Digital I O accessory board must also be jump ered e SWITCHLEDS C monitors switches S1 S2 S3 and S4 on the Digital I O accessory board and lights LEDs DS1 DS4 when the corresponding pushbutton switch is pressed LEDs DS1 DS2 on the Digital I O accessory board are controlled by PA4 PA7 and switches S1 S4 are con trolled by PB4 PB7 respectively MiniCore RCM5700 RCM6700 User s Manual digi com 21 The SERIALTOSERIAL C sample program is in the SAMPLES RCM5700 SERIAL or SAMPLES RCM6700 SERIAL folder depending on your MiniCore model e SERIALTOSERIAL C monitors switches S1 S2 S3 and S4 on the Digital I O accessory board and lights LEDs DS1 DS4 when the corresponding pushbutton switch is pressed LEDs DS1 DS2 on the Digital I O accessory board are controlled by PA4
17. Direct CONMECE iveschses sascecucisnotedeceeasenssuacslvstscestesss 100 F 5 Run the PINGME C Sample Program 101 F 6 Running Additional Sample Programs With Di TECI CONNEC isesi teisese i ERES 102 F 7 Where Do I Go From Here eee 103 Appendix G Power Supply G 1 Power Supplies ccceeceeseeseeseeteeseeeees 104 G 1 1 Battery Backup for the RCM5700 RCM5710 and RCM6700 Family 105 G 1 2 Battery Backup Circuit 00 106 G 1 3 Reset Generator uere 106 MiniCore RCM5700 RCM6700 User s Manual digi com 1 INTRODUCTION The RCM5700 and RCM6700 are compact modules in a mini PCI Express form factor and incor porate the powerful Rabbit 5000 and 6000 microprocessors with integrated 10 100Base T Ether net functionality and onchip SRAM The Rabbit 5000 and 6000 microprocessor features include hardware DMA I O lines shared with up to six serial ports and four levels of alternate pin func tions that include variable phase PWM an external I O bus quadrature decoder and input cap ture This equates to a MiniCore module that is fast efficient and the ideal solution for a wide range of embedded applications Development Kits are available with the essentials that you need to design your own microproces sor based system and includes a complete Dynamic C software development system The Devel opment Kit also contains an Interface Board with USB and Ethernet connections that will allow you to evaluate the RCM570
18. ISP or when you have a device that provides your IP addresses using the Dynamic Host Config uration Protocol DHCP The MiniCore modules can use such IP addresses to send and receive packets on the Internet but you must take into account that this IP address may only be valid for the duration of the call or for a period of time and could be a private IP address that is not directly accessible to others on the Internet These addresses can be used to perform some Internet tasks such as sending e mail or browsing the Web but it is more difficult to participate in conversations that originate elsewhere on the Internet If you want to find out this dynamically assigned IP address under Windows NT or later you can run the ipconfig command Start gt Run gt cmd while you are connected and look at the interface used to connect to the Internet Many networks use IP addresses that are assigned using DHCP When your computer comes up and periodically after that it requests its networking information from a DHCP server The DHCP server may try to give you the same address each time but a fixed IP address is usually not guar anteed If you are not concerned about accessing the MiniCore from the Internet you can place the Mini Core on the internal network using an IP address assigned either statically or through DHCP MiniCore RCM5700 RCM6700 User s Manual digi com 96 F 3 Placing Your Device on the Network In many corporate settings users
19. J1A then press down on the opposite edge of the MiniCore module to snap it into place in holder J1B MiniCore Figure 2 3 Install the MiniCore Module on the Interface Board MiniCore RCM5700 RCM6700 User s Manual digi com 13 Should you need to remove the MiniCore module use two fingernails to hold back the spring clip at JIB from the two MiniCore corners lift up the edge of the MiniCore above J1B then pull the MiniCore away to remove the edge connectors from the mini PCI Express socket Tony a TZE Gey CAUTION A Remove power before attempting to insert or remove the MiniCore in the mini PCI Express socket MiniCore RCM5700 RCM6700 User s Manual digi com 14 2 2 3 Step 3 Connect USB Cable The USB cable connects the RCM5700 RCM6700 to the PC running Dynamic C to download programs and to monitor the MiniCore module during debugging It also supplies power to the Interface Board and the MiniCore via the USB interface Connect the USB cable between USB connector J5 on the Interface Board and your PC as shown in Figure 2 4 Note that the USB cable connectors are different at either end so there is only one way to connect them between the PC and the Interface Board To PC USB port Hi it i Power LED Figure 2 4 Connect USB Cable Your PC should recognize the new USB ha
20. Manual digi com 6 The RCM5700 and RCM5750 models already have an Ethernet PHY device the Integrated Cir cuit Systems ICS1893BK The RCM5710 and RCM5760 are identical to the RCM5700 and RCMS5750 respectively except that they have an integrated 10 100 Base T magnetic RJ 45 jack with two LEDs on the MiniCore printed circuit board There are four RCM6700 production models Table 1 2 summarizes their main features Table 1 2 RCM6700 Features Feature RCM6700 RCM6710 RCM6750 RCM6760 Microprocessor Rabbit 6000 at 162 5 MHz 10 100Base T 10 100Base T 10 100Base T 10 100Base T Bilieeney On PHY only RJ 45 2LEDs PHYonly RJ 45 2 LEDs External SRAM 1MB 16 bit RAM NOTE 1MB Rabbit 6000 onchip SRAM 32KB Rabbit 6000 onchip battery backable Flash Memory 1MB serial flash 4 MB serial flash mass data storage 6 shared high speed CMOS compatible ports 6 are configurable as asynchronous serial ports Serial Ports 4 are configurable as clocked serial ports SPI 2 are configurable as SDLC HDLC serial ports 1 asynchronous serial port is used during programming The Rabbit 6000 has an Ethernet PHY built into the processor The RCM6710 and RCM6760 are identical to the RCM6700 and RCM6750 respectively except that they have an integrated 10 100 Base T magnetic RJ 45 jack with two LEDs on the MiniCore printed circuit board Placing the RJ 45 Ethernet jack on the mot
21. MiniCore RCM5700 RCM6700 User s Manual Table C 1 lists the electrical mechanical and environmental specifications for the Prototyping Board Table C 1 Prototyping Board Specifications Parameter Specification Board Size 2 50 x 3 75 x 0 52 64 mm x 95 mm x 13 mm Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing Operating Voltage 3 3 V DC Current Draw from Interface Board excluding user added 2 mA circuits 1 7 x 2 7 40 mm x 70 mm throughhole 0 1 spacing Eon ne e additional space for SMT components Two 2 x 25 IDC header sockets 0 1 pitch Connectors a2 x 25 IDC header strip is included to connect the Prototyping Board to the Interface Board below it Standoffs Spacers 4 MiniCore RCM5700 RCM6700 User s Manual digi com 70 C 2 1 Headers The Prototyping Board has a header socket at J2 for physical connection to other boards above it and a header socket at J12 on the bottom side to connect to boards below it J2 and J12 are 2 x 25 SMT header sockets with a 0 1 pin spacing Figure C 3 shows the layout of another board to be plugged into the Interface Board this footprint is identical for the Prototyping Board and the two accessory boards The values are relative to the mounting hole 0 275 6 985 0 010 TO l 0 25 j G 5 86 LG BS G S oa
22. O with Rabbit Microprocessor Designs which is also included with the online documentation contains suggestions for interfacing I O devices to the Rabbit 5000 6000 microprocessors MiniCore RCM5700 RCM6700 User s Manual digi com 54 A 3 Jumper Configurations Figure A 5 shows the header locations used to configure the various RCM5700 RCM6700 options via jumpers Note that some early versions of the RCM5700 model sold in 2008 and 2009 do not have jumper locations JP2 JP5 this does not affect the functionality of the RCM5700 model RCM5700 RCM6700 J Figure A 5 Location of RCM5700 RCM6700 Configurable Position Table A 6 lists the configuration options for the RCM5700 and Table A 7 lists the configuration options for the RCM6700 Table A 6 RCM5700 Jumper Configurations Parr Factory Header Description Pins Connected Default 1 2 More than 1MB JP1 Flash Memory Size 2 3 Up to IMB x RCM5710 1 2 Tx to RJ 45 jack J1 RCM5760 JP2 Tx 2 RCM5700 2 3 Tx to mini PCI Express pins RCM5750 s RCM5710 1 2 Tx to RJ 45 jack J1 RCMS760 JP3 Tx I P f RCM5700 2 3 Tx to mini PCI Express pins RCM5750 RCM5710 1 2 Rx to RJ 45 jack J1 RCMS760 oe RCM5700 2 3 Rx to mini PCI Express pins RCMS5750 RCM5710 1 2 Rx to RJ 45 jack J1 RCMS5760 ie a RCM5700 2 3 Rx to mini PCI Express pins RCMS5750 NOTE The jumper connections are made using
23. PB5 PB4 PB7 PB6 External PA1 PAO Battery PA3 PA2 PAS PA4 BS PAT PAG cote VBAT_EXT NORD PB1 CLKA NOWR PC6 TxA STATUS PC7IRXA SMODE 3 3 V GND 52 Figure G 1 External Battery Connections A lithium battery with a nominal voltage of 3 V and a minimum capacity of 165 mA h is recom mended A lithium battery is strongly recommended because of its nearly constant nominal volt age over most of its life The drain on the battery is typically SuA for the RCM5700 and maximum 50uA for the RCM6700 R6K processor version marked CC when no other power is supplied MiniCore RCM5700 RCM6700 User s Manual digi com 105 The actual life in your application will depend on the current drawn by components not on the RCMS5700 RCM6700 and on the storage capacity of the battery The RCM5700 RCM6700 does not drain the battery while it is powered up normally Cycle the main power off on on the MiniCore after you install a backup battery for the first time and whenever you replace the battery This step will minimize the current drawn by the real time clock oscillator circuit from the backup battery should the MiniCore experience a loss of main power NOTE Remember to cycle the main power off on any time the MiniCore is removed from the Interface Board or motherboard since that is where the backup battery would be located Rabbit s Technical Note TN235 External 32 768 kHz Oscillator Circuits provides additional information about the cu
24. PD4 PD5 MiniCore RCM5700 RCM6700 User s Manual digi com 30 Table 4 3 RCM5700 RCM6700 Pinout Configurations Pin Pin Name Default Use Alternate Use Notes SCLKB used by serial flash on RCM5750 RCM5760 and RCM6700 family Due to serial boot flash SCLKB requirements the RCM6700 family s edge connector pin 27 2 PBO Input Output 7 nput Outpu External I O Address PBO SCLKB must not be IA6 used for general purpose I O Although reserved for SCLKB only this usage may be shared with an off minicore SPI device Reset output from Reset 28 RESET Reset output Reset input Generator or external reset input SWR 29 PB2 Input Output External I O Address IAO SRD 30 PB3 Input Output External I O Address IA1 SAO 31 PB4 Input Output External I O Address IA2 SA1 32 PB5 Input Output External I O Address IA3 SCS 33 PB6 Input Output External I O Address IA4 SLAVATN 34 PB7 Input Output External I O Address IA5 Slave port data bus SD0 SD7 35 42 PA 0 7 Input Output 0 7 eh External I O data bus ID0 ID7 43 IORD Output External I O read strobe 44 VBAT_EXT Battery input 45 IOWR Output External I O write strobe SCLKA 46 PB1 Input Output External I O Address Programming port SCLKA IA7 MiniCore RCM5700 RCM6700 User s Manual digi com 31 Table 4 3 RCM5700 RCM6700 Pinout Configurations Pin Pin Na
25. and explains how to use the Digital I O accessory board The Digital I O accessory board mounts on the Interface Board or other board already installed on the Interface Board from which it receives its power and signals digi com 74 D 1 Introduction The Digital I O accessory board included in the Deluxe Development Kit provides Pushbutton switches and LEDs to use in conjunction with selected sample programs The Digital I O acces sory board is shown below in Figure D 1 with its main features identified MiniCore Stacking Module User Interface Extension Header Connector ROM56 57XX 4 DIGITAL 1 0 f JPI2 ne 51 54 OPTION f EET 2 wr E 55 58 OPTION teaz ACT_H ACT_L poe A ACT_H ACT_L 0 ipjol loa 1 S Pulldown m o E p ET f Bel ee Jumper E 3 g Configuration o Te Aa R a IIS 4 DSSS psa Job ps7_ 37 psd 58 LED and Switch e T Signal Connections Figure D 1 Digital O Accessory Board D 1 1 Digital I O Accessory Board Features e Power Connection Power is supplied to the Digital I O accessory board via the MiniCore header socket connections e Power LED The power LED lights whenever power is connected to the Digital I O acces sory board e Module Extension Headers The complete pin set of the MiniCore module is duplicated below header J2 Developers can solder wires directly into the appropriate h
26. board Ethernet RJ 45 is to be used then a given interface board will support Ethernet only for either the RCM5700 or RCM6700 family but not both The interface board supplied in the Development Kit is properly configured for the MiniCore in the kit B 3 2 RCM6700 LEDs The RCM6700 RCM6750 only support a single off board Ethernet status LED unlike the RCMS5700 RCM5750 which support two LINK and ACT The signal used as ACT on the RCMS5700 is replaced with 2 5 V for the Ethernet circuitry on the RCM6700 To provide the same information a combined LINK ACT signal is used off means no link on means link and blink means activity The on board Ethernet LEDs on the RJ 45 jack behave identically in both the RCM5700 and RCM6700 If the RCM5700 s two LED configuration is desired for a RCM6700 based design the behavior of the LINK ACT signal must be changed to just LINK and a GPIO pin must be assigned as the ACT signal The Interface Board is designed to support either PE3 or PES as the ACT signal and can be configured by defining macros and placing jumpers as shown in Table B 2 Table B 2 Interface Board Ethernet LED Configuration for RCM6700 JP3 Mode Behavior Macros to define Setting LINK off is no link Single LED LINK on is link blink 4 6 None default behavior off for activity Dual LEDs LINK off is no link 1 3 ENET ACTIVITY ON PE3 ACT is PE3 LINK on is link 4 6 a ACT off is no
27. firewall or proxy server to allow hosts on the Internet to directly contact the controller but it would probably be easier to place the controller directly on the external network outside of the firewall This avoids some of the config uration complications by sacrificing some security MiniCore RCM5700 RCM6700 User s Manual digi com 92 Firewall Proxy Ethernet Ethernet RCM5700 Typical Corporate Network System If your system administrator can give you an Ethernet cable along with its IP address the netmask and the gateway address then you may be able to run the sample programs without having to setup a direct connection between your computer and the MiniCore You will also need the IP address of the nameserver the name or IP address of your mail server and your domain name for some of the sample programs MiniCore RCM5700 RCM6700 User s Manual digi com 93 F 2 1 IP Addresses Explained IP Internet Protocol addresses are expressed as 4 decimal numbers separated by periods for example 216 103 126 155 10 1 1 6 Each decimal number must be between 0 and 255 The total IP address is a 32 bit number consist ing of the 4 bytes expressed as shown above A local network uses a group of adjacent IP addresses There are always 2 IP addresses in a local network The netmask also called subnet mask determines how many IP addresses belong to the local network The netmask is also a 32 bit address expressed in the same f
28. for interface with j 52 pin mini PCI Express socket 1 20 x 2 00 x 1 20 x 2 00 x 1 20 x 2 00 x 1 20 x 2 00 x Board Si 0 12 0 70 0 27 0 73 PRE EEE 30 mm x 51 mm 30 mm x 51 mm 30 mm x 51 mm 30 mm x 51 mm x 3 mm x 18 mm x 7 mm x 19 mm MiniCore RCM5700 RCM6700 User s Manual digi com 49 Table A 2 RCM6700 Specifications Table A 2 lists the electrical mechanical and environmental specifications for the RCM6700 Parameter RCM6700 RCM6710 RCM6750 RCM6760 Microprocessor Rabbit 6000 at 187 5 MHz EMI Reducti Spectrum spreader for reduced EMI radiated emissions ion aaa when running below 115 MHz Ethernet Port 10 100Base T 10 100Base T 10 100Base T 10 100Base T ae PHY only RJ 45 2 LEDs PHY only RJ 45 2 LEDs Flash Memory mass data storage 1 MB serial flash 4 MB serial flash External SRAM 1MB 16 bit RAM 1MB Rabbit 6000 onchip SRAM 32KB Rabbit 6000 onchip battery backable Backup Battery Connection for user supplied backup battery to support RTC General Purpose I O up to 35 parallel digital I 0 lines configurable with four layers of alternate functions Additional Inputs Reset in Additional Outputs Status reset out Can be configured for 8 data lines and External I O Bus 8 address lines shared with parallel I O lines plus I O read write Serial Ports 6 high speed CMOS compatible por
29. for this Refer to the Dynamic C Function Reference Manual for additional information 4 5 3 Mass Storage Serial Flash The RCM5750 RCMS5760 have 2MB of serial flash available to store data and web pages Sample programs in the SAMPLES RCM5700 Serial_ Flash folder illustrate the use of serial flash memory The RCM6700 RCM6710 have 1MB of serial flash memory and RCM6750 RCM6760 have 4MB of serial flash memory The serial flash is used to store the program code but can also be used to store data and web pages Sample programs in the SAMPLES RCM6700 Serial Flash folder illustrate the use of the serial flash memory 4 5 4 Encryption RAM Memory The tamper detection feature of the Rabbit 5000 6000 microprocessor can be used to detect any attempt to enter the bootstrap mode When such an attempt is detected the VBAT RAM memory in the Rabbit 5000 6000 chip is erased digi com 39 5 SOFTWARE REFERENCE Dynamic C is an integrated development system for writing embedded software It runs on a Win dows based PC and is designed for use with single board computers and other devices based on the Rabbit microprocessor Chapter 5 describes the libraries and function calls related to the RCM5700 RCM6700 5 1 More About Dynamic C Dynamic C has been in use worldwide since 1989 It is specially designed for programming embedded systems and features quick compile and interactive debugging A complete reference guide to Dynamic C is contain
30. of all documents are always available for download from our web site MiniCore RCM5700 RCM6700 User s Manual digi com 10 2 GETTING STARTED This chapter describes the RCM5700 RCM6700 hardware in more detail and explains how to set up and use the accompanying Interface Board NOTE This chapter and this manual assume that you have the RCM5700 RCM6700 Development Kit If you purchased an MiniCore module by itself you will have to adapt the information in this chapter and elsewhere to your test and development setup 2 1 Install Dynamic C Dynamic C must be installed to develop and debug programs for the RCM5700 RCM6700 series of modules and for all other Rabbit hardware The latest version of Dynamic C is included on CD in the Development Kit and is also available for download on our website at www digi com If you have not yet installed Dynamic C do so now by inserting the Dynamic C CD from the Development Kit in your PC s CD ROM drive If autorun is enabled the CD installation will begin automatically If autorun is disabled or the installation does not start use the Windows Start Run menu or Win dows Disk Explorer to launch setup exe from the root folder of the CD ROM The installation program will guide you through the installation process Most steps of the process are self explanatory Once your installation is complete you will have up to three new icons on your PC desktop One icon is for Dynamic C another ope
31. or the Digital I O accessory board Secure the Serial Communication accessory board with the long plastic standoffs connectors from above as shown in Figure 3 6 Install header connector strip in bottom socket Figure 3 7 Install Serial Communication Accessory Board Pins 1 2 3 4 5 6 and 7 8 on header JP5 on the Serial Communication accessory board must be jumpered Pins 1 2 and 3 4 on header JP7 on the Serial Communication accessory board must also be jumpered e SIMPLE5WIRE C This program demonstrates 5 wire RS 232 serial communication with flow control on Serial Port C and data flow on Serial Port D To set up the Serial Communication accessory board you will need to tie TxD and RxD on the RS 232 header at J3 then tie CTS and RTS also on J3 using jumpers as shown in Figure 3 7 Once you have compiled and run this program you can test flow control by disconnecting the CTS jumper from RTS while the program is running Characters will no longer appear in the STDIO window and will display again once CTS is connected back to RTS MiniCore RCM5700 RCM6700 User s Manual digi com 23 Once you have loaded and executed these sample programs and have an understanding of how Dynamic C and the RCM5700 RCM6700 modules interact you can move on and try the other sample programs or begin developing your own application 3 2 1 Use of Serial Flash not supported for RCM5700 RCM571
32. packet intended for your private network to the corporate network A similar situation will take place if you use a dial up line to send a packet to the Internet Windows may try to send it via the local Ethernet network if it is also valid for that network The following IP addresses are set aside for local networks and are not allowed on the Internet 10 0 0 0 to 10 255 255 255 172 16 0 0 to 172 31 255 255 and 192 168 0 0 to 192 168 255 255 The Interface Board uses a 10 100Base T type of Ethernet connection which is the most common scheme The RJ 45 connectors are similar to U S style telephone connectors except they are larger and have 8 contacts An alternative to the direct connection using a CAT 4 5 Ethernet cable is a direct connection using a hub The hub relays packets received on any port to all of the ports on the hub Hubs are low in cost and are readily available The RCM5700 RCM6700 uses 10 100Mps Ethernet so the hub or Ethernet adapter can be a 10 Mbps unit or a 10 100 Mbps unit In a corporate setting where the Internet is brought in via a high speed line there are typically machines between the outside Internet and the internal network These machines include a combi nation of proxy servers and firewalls that filter and multiplex Internet traffic In the configuration below the MiniCore could be given a fixed address so any of the computers on the local network would be able to contact it It may be possible to configure the
33. respec tively Jumpers may be installed on header JP7 to use header J3 as a 5 wire RS 232 serial port with flow control provided by Serial Port C Jumpers on headers JP5 connect the MiniCore signals to the RS 232 transceiver Jumpers may be installed on header JP7 to use header J3 as a 5 wire RS 232 serial port with flow control provided by Serial Port C Note that Serial Port C does not support flow control using serial DMA so the following macro must be used with flow control via Serial Port C on the Serial Communication accessory board define SER_DMA DISABLE The jumpers at header JP5 connect the Serial Port D and Serial Port C signals to the RS 232 trans ceiver These jumpers may be removed so that other MiniCore serial port signals may be con nected via JP6 to the RS 232 transceiver Table E 2 Serial Communication Accessory Board RS 232 Connection Options Default Connected via Alternate Connection MiniCore Header Serial Port Signal Header Pins Header Pin PCO B Serial Port D 1 2 1 PCI RS 232 3 4 2 JP5 JP6 PC2 Serial Port C 5 6 3 PC3 mi Ro 7 8 4 PEO J5 Serial Port E 1 2 1 PE7 RS 232 3 4 2 JP8 JP9 PC4 Serial Port B 5 6 3 nee 15 4 RS 232 7 8 4 PDO 1 2 1 PD1 Flow Enable 3 4 2 JP11 JP12 PD2 nm Serial Port F 5 6 3 PD3 RS 485 7 8 4 Configured via header JP7 Configured via
34. the pins or damage to the MiniCore if the pins are not plugged in correctly Do not reapply power until you have verified that the MiniCore module is plugged in correctly 4 4 Other Hardware 4 4 1 Clocks The RCMS5700 takes advantage of the Rabbit 5000 microprocessor s internal clock doubler A built in clock doubler allows half frequency crystals to be used to reduce radiated emissions The 50 0 MHz frequency specified for the RCM5700 model is generated using a 25 0 MHz crystal The RCM5700 requires that the clock doubler remain enabled for proper Ethernet operation The RCM6700 requires that the clock doubler remain disabled but takes advantage of the Rabbit 6000 microprocessor s internal PLL providing clock speeds up to 162 5 MHz 4 4 2 Spectrum Spreader The Rabbit 5000 6000 features a spectrum spreader which helps to mitigate EMI problems The spectrum spreader is on by default on the RCM5700 but is off on the RCM6700 because of its 115 MHz maximum clock limitation It may also be turned off or set to a stronger setting The means for doing so is through a simple configuration macro as shown below 1 Select the Defines tab from the Dynamic C Options gt Project Options menu 2 Normal spreading is the default and usually no entry is needed If you need to specify normal spreading add the line ENABLE_SPREADER 1 For strong spreading add the line ENABLE_SPREADER 2 To disable the spectrum spreader add the line ENABLE_SP
35. the user with MiniCore connection points brought out conveniently to labeled points below header J2 The pinouts for header socket J2 are shown in Figure D 4 GND PE1 C PES CQ PE6 C SMODE PDC PD3 C RESET C GND C1 PC1 C PC3 CJ PC5 RxB C PC7 RXA C PB1 SCLKA C PB3 _ PB5C PB7 Q GNDO PA1C PASC PA5 C PA7 NOWR O VBAT_EXT Q Note These pinouts are as seen on the Top Side Figure D 4 MiniCore Boards Pinout 3 33 V PEO PE2 PE5 PE7 PDO PD2 RESET_IN 3 3 V PCO PC2 PC4 TxB PC6 TxA PBO SCLKB PB2 PB4 PB6 3 3 V PAO PA2 PA4 PA6 NORD STATUS 3 3 V MiniCore RCM5700 RCM6700 User s Manual digi com 78 D 3 1 Configuration The pushbutton switches may be configured active high pulled down or active low pulled up via jumper settings on header JP7 for the four switches installed Jumpers on JP12 may be set up in a similar way after additional switches are installed at SS S8 The four LED output indicators are set up as sinking outputs Four additional LEDs may be installed at DS5 DS8 Jumpers on headers JP5 and JP8 connect the MiniCore signals to the pushbutton switches or LEDs These jumpers may be removed and other MiniCore signals may be connected to the ACTIVE LOW ape N AT kQ 1 S4 ACTIVE HIGH oN IPT 47 kQ 1 S4 Figure D 5 Pushbutton Switch Configuration sw
36. window and keyboard input on the host PC can be detected for debugging purposes printf output may also be sent to a serial port or file digi com 41 5 2 Dynamic C Function Calls 5 2 1 Digital I O The RCM5700 RCM6700 was designed to interface with other systems and so there are no driv ers written specifically for the Rabbit 5000 6000 I O The general Dynamic C read and write functions allow you to customize the parallel I O to meet your specific needs For example use WrPortI PEDDR amp PEDDRShadow 0x00 to set all the Port E bits as inputs or use WrPortI PEDDR amp PEDDRShadow OxFF to set all the Port E bits as outputs When using the external I O bus on the Rabbit 5000 6000 chip add the line define PORTA_AUX_ IO required to enable external I O bus to the beginning of any programs using the auxiliary I O bus The sample programs in the Dynamic C SAMPLES RCM5700 and SAMPLES RCM6700 folders provide further examples 5 2 2 Serial Communication Drivers Library files included with Dynamic C provide a full range of serial communications support The RS232 L1B library provides a set of circular buffer based serial functions The PACKET LIB library provides packet based serial functions where packets can be delimited by the 9th bit by transmission gaps or with user defined special characters Both libraries provide blocking func tions which do not return until they are finished transmitting or recei
37. 0 The following sample programs from the SAMPLES RCM5700 Serial_ Flash folder may be used with the RCM5750 RCM5760 models e SERIAL FLASHLOG C This program runs a simple Web server and stores a log of hits on the home page of the serial flash server This log can be viewed and cleared from a browser at http 10 10 6 100 You will likely have to first configure your network interface card for a 10Base T Half Duplex 100Base T Half Duplex or an Auto Negotiation connection on the Advanced tab which is accessed from the control panel Start gt Settings gt Control Panel by choosing Network Connections e SFLASH INSPECT C This program is a handy utility for inspecting the contents of a serial flash chip When the sample program starts running it attempts to initialize a serial flash chip on Serial Port B Once a serial flash chip is found the user can perform five different com mands to print out the contents of a specified page print out the contents of a range of pages clear set to zero all the bytes in a specified page set all bytes on the specified page to a given value or save user specified text to a selected page MiniCore RCM5700 RCM6700 User s Manual digi com 24 4 HARDWARE REFERENCE Chapter 4 describes the hardware components and principal hardware subsystems of the RCMS5700 RCM6700 Appendix A RCM5700 RCM6700 Specifications pro
38. 0 Q surface mounted resistors MiniCore RCM5700 RCM6700 User s Manual digi com 55 Table A 7 RCM6700 Jumper Configurations ee Factory Header Description Pin Connected Default f RCM6710 1 2 Tx to RJ 45 jack J1 RCM6760 JP2 Txt mee RCM6700 2 3 Tx to mini PCI Express pins RCM6750 f RCM6710 1 2 Tx to RJ 45 jack J1 RCM6760 JP3 Tx aa RCM6700 2 3 Tx to mini PCI Express pins RCM6750 RCM6710 1 2 Rx to RJ 45 jack J1 RCM6760 JP4 Rx su RCM6700 2 3 Rx to mini PCI Express pins RCM6750 RCM6710 1 2 Rx to RJ 45 jack J1 RCM6760 JPS Rx so RCM6700 2 3 Rx to mini PCI Express pins RCM6750 NOTE The jumper connections are made using 0 surface mounted resistors MiniCore RCM5700 RCM6700 User s Manual digi com 56 APPENDIX B INTERFACE BOARD Appendix B describes the features and accessories of the Interface Board and explains the use of the Interface Board to demonstrate the RCM5700 and RCM6700 The Interface Board has power supply connections and a USB interface to program either MiniCore module digi com 57 B 1 Introduction The Interface Board included in the Development Kit makes it easy to connect MiniCore module to a power supply and a PC workstation for development It also provides an Ethernet port The Interface Board is shown below in Figure B 1 Stacking User Interface Connector mini PCI Express with it
39. 0 or RCM6700 and a Prototyping Board to help you to develop your own applications You will also be able to write and test software for the RCM5700 RCM6700 modules including Ethernet applications The RCM5700 has a Rabbit 5000 microprocessor operating at up to 50 0 MHz flash memory two clocks main oscillator and real time clock and the circuitry necessary to reset and manage the Rabbit 5000 The RCM6700 has a Rabbit 6000 processor operating at up to 187 5 MHz and 1MB of internal SRAM An edge connector brings out the MiniCore module user interface to a 52 pin mini PCI Express socket on the motherboard the core module is mounted on The RCM5700 RCM6700 receives its 3 3 V power from the motherboard on which it is mounted The MiniCore module can interface with other CMOS compatible digital devices through the motherboard MiniCore RCM5700 RCM6700 User s Manual digi com 5 1 1 RCM5700 RCM6700 Features Small size ranges from 1 20 x 2 00 x 0 12 30 mm x 51 mm x 3 mm for the RCM5700 RCM6700 model to 1 20 x 2 00 x 0 73 30 mm x 51 mm x 19 mm for the RCM5760 RCM6760 model Microprocessor RCM5700 Rabbit 5000 running at 50 0 MHz RCM6700 Rabbit 6000 run ning at 187 5 MHz Up to 35 general purpose I O lines each configurable with up to four alternate functions 3 3 V I O lines Six CMOS compatible serial ports four ports are configurable as a clocked serial port SPT and two ports are configurable as SDLC HDLC serial port
40. 103 direct connection 6 92 Ethernet cables cceeee 92 Ethernet hub ceeeeeeees 90 IP addresses ccccccccceees 92 94 MAC addresses cscceecees 95 SUC PS wes ccrucsasadessdiesiteisteiacenss 90 91 Ethernet port sesser 36 PINOUT sosise tataas ERs 36 exclusion ZONE ccceeecesseceeeeees 47 external I O bus eeeeeceteeees 33 SONWALE aa 33 F features Digital I O accessory board 75 Interface Board ccceeees 59 Prototyping Board n se 68 RCMS5700 corren 6 Serial Communication accessory board 83 H hardware connections 12 install RCM5700 on Interface Board 13 USB cable ou eeceeseeeeeees 15 http forums digi com support forum index 18 107 digi com MiniCore RCM5700 RCM6700 User s Manual l Prototyping Board 0 0 68 dimensions ssssssseesseeseeeeeee eee 69 install additional boards 65 73 81 expansion area 68 Interface Board 58 feaTES pieis iaie n 68 dimensions 0 0 eeeseseseeeeeeeeeees 60 prototyping area 72 FEATS 3 csesescssesceteseserssesesteise 59 specifications 70 jumper configurations 66 jumper locations 66 R mounting RCM5700 13 Rabbit 5000 power supply eeeeeeeeees 63 i power supply jack polarity 58 tamper detection cee 39 i VBAT RAM memory 39 Specifications s es 60 IP addresses eeeceesseeseeseeseeeees 94 Rabb
41. 3V typical without typical without typical without typical without Ethernet Ethernet Ethernet Ethernet Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing c i Edge connectors for interface with A 52 pin mini PCI Express socket 1 20 x 2 00 x 1 20 x 2 00 x 1 20 x 2 00 x 1 20 x 2 00 x Board Si 0 12 0 70 0 27 0 73 es 30 mm x 51 mm 30 mm x 51 mm 30 mm x 51 mm 30 mm x 51 mm x 3 mm x 18 mm x 7 mm x 19 mm Test data taken with TEST NET _IF 1 and flood ping for w Ethernet values and TEST NET IF 0 for wo Ethernet values MiniCore RCM5700 RCM6700 User s Manual digi com 51 A 1 1 mini PCI Express Connector Design Recommendations The MiniCore is mounted on the Interface Board via a mini PCI Express connector and a corre sponding locking latch connector These are offered by manufacturers as a matched set although in some cases different manufacturer s parts may be interchangeable Table A 3 lists the recom mended parts for the mini PCI Express connector and the locking latch connector used for the Interface Board All measurements are in inches followed by millimeters enclosed in parentheses Table A 3 Interface Board Connector Related Parts Connector Part Manufacturer Part Number elie overs atid Number mini PCI Express Connector Pinrex 984 63 052202 498 0090 Latch Connector FOXCONN AS0B226S68K 7F 498 0091 Figure A 3 sho
42. 5 WIRE 3 WIRE Table E 1 lists the electrical mechanical and environmental specifications for the Serial Commu nication accessory board Table E 1 Serial Communication Accessory Board Specifications Parameter Specification Board Size 2 50 x 3 75 x 0 52 64 mm x 95 mm x 13 mm Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing Operating Voltage 3 3 V DC Current Draw from Interface Board 10 mA typical Two 2 x 25 IDC header sockets 0 1 pitch a2 x 25 IDC header strip is included to connect the Serial a Communication accessory board to the board below it Two 2 x 5 IDC headers 0 1 pitch Standoffs Spacers 4 MiniCore RCM5700 RCM6700 User s Manual digi com 84 E 2 1 Headers The Serial Communication accessory board has a header socket at J2 for physical connection to other boards above it and a header socket at J12 on the bottom side to connect to boards below it J2 and J12 are 2 x 25 SMT header sockets with a 0 1 pin spacing Figure E 3 shows the layout of another board to be plugged into the Serial Communication accessory board this footprint is identical for the Prototyping Board and the two accessory boards The values are relative to the mounting hole 0 010 0 25 MiniCore Boards Footprint Figure E 3 MiniCore Boards Footprint Al
43. Cloning Board does not support cloning through a USB connection If there is a need to copy programs the Rabbit Field Utility can be used to download compiled Dynamic C bin files 5 2 5 TCP IP Drivers The TCP IP drivers are located in the LIB Rabbit4000 TCPIP folder Complete information on these libraries and the TCP IP functions is provided in the Dynamic C TCP IP User 5 Manual 5 2 6 Serial Flash Drivers not supported on RCM5700 RCM5710 The Dynamic C LIB SerialFlash SFLASH LIB library provides the function calls needed to use the serial flash The FAT file system function calls from in the Dynamic C LIB FileSys tem FAT CONFIG LIB library are not supported 5 3 Upgrading Dynamic C Dynamic C patches that focus on bug fixes are available from time to time For the latest patches workarounds and bug fixes check the Web site www digi com support 5 3 1 Add On Modules Starting with Dynamic C version 10 40 Dynamic C includes the popular wC OS I real time operating system point to point protocol PPP FAT file system RabbitWeb and other select libraries Starting with Dynamic C version 10 56 Dynamic C includes the Rabbit Embedded Security Pack featuring the Secure Sockets Layer SSL and a specific Advanced Encryption Standard AES library In addition to the Web based technical support included at no extra charge a one year telephone based technical support subscription
44. PA7 and switches S1 S4 are controlled by PB4 PB7 respectively The sample program sends messages from Serial Port D to Serial Port C to indicate that a switch was pressed Messages received by Serial Port C are displayed in Dynamic C s STDIO window Before you compile and run this sample program you will need to connect J2 pin 19 PC0 TxD to J2 pin 22 PC3 RxC or the corresponding holes on P2 J2 sae a E oe 0oo0oo0oo0oo0o0oo0oo0ooo OoOoO0o0O0O 00000 0000 A a KN amp ON SCECESS 8 CEE CE AE CEA NNLLA SM If you are using the Serial Communication Accessory Board you should connect pin 3 TXD on header J3 to pin 5 RXC on header J4 instead MiniCore RCM5700 RCM6700 User s Manual digi com 22 The Serial Communication accessory board needs to be installed to run the following serial sam ple program in the SAMPLES RCM5700 SERIAL or SAMPLES RCM6700 SERIAL folder depend ing on your MiniCore model This accessory board is included only with the Deluxe Development Kit To install the Serial Communication accessory board insert the strip of header pins included with the accessory board into the socket at J12 on the bottom side of the Serial Communication acces sory board Then line up the Serial Communication accessory board with the Interface Board or Digital I O accessory board standoffs connectors and install the Serial Communication accessory board pins into socket J2 on the Interface Board
45. PC5 PES TXF PD2 PE2 PC2 SCLKB PBO RXF PD3 PE3 PC3 Serial Port F TXC PC2 PC3 RCLKF PD1 PE PCl Serial Port C RXC PC3 PD3 PE3 TCLKF PDO PEO PCO SCLKC PD2 PE2 PE7 PC7 TXD PCO PCI RCLKE TCLKE and RCLKF TCLKF must be RXD PCI PDI PE1 selected to be on the same parallel port as RXE Serial Port D TXE and RXF TXF respectively PDO PD3 PEO PE3 SCLKD PC3 MiniCore RCM5700 RCM6700 User s Manual digi com 4 2 2 Ethernet PHY All RCM5700 RCM6700 models have an Ethernet PHY which can either be accessed through the Interface Board or directly on the RCM5710 5760 6710 6760 The PHY connections or inte grated 10 100Base T connections on MiniCores with an on board RJ 45 jack are via 0 Q jumpers on headers JP2 JP5 see Table A 6 in Appendix A 3 Rabbit s Technical Note TN266 PCB Lay out for the Ethernet PHY Interface provides further details about designing your own PHY interface The pinout for the RJ 45 Ethernet jack J1 is shown in Figure 4 11 Note that some Ethernet con nectors are numbered in reverse to the order used here The RJ 45 Ethernet jack incorporates green and yellow LEDs one to indicate Ethernet link LINK and one to indicate Ethernet activity ACT The RJ 45 connector is shielded to minimize EMI effects to from the Ethernet signals ETHERNET 1 2 3 6 RJ 45 Plug RJ 45 Jack Figure 4 11 RJ 45 Ethernet Port Pinout 4 2 3 Programming Port The RCM5700 RCM6700 progr
46. READER 0 NOTE The strong spectrum spreading setting is not recommended since it may limit the maximum clock speed or the maximum baud rate It is unlikely that the strong setting will be used in a real application 3 Click OK to save the macro The spectrum spreader will be set according to the macro value whenever a program is compiled using this project file NOTE Refer to the Rabbit 5000 Microprocessor User s Manual or the Rabbit 6000 Microprocessor User s Manual for more information on the spectrum spreading setting and the maximum clock speed MiniCore RCM5700 RCM6700 User s Manual digi com 38 4 5 Memory 4 5 1 RAM RCMS5700 boards have 128KB of onchip SRAM on the Rabbit 5000 microprocessor The RCMS5750 RCM5760 models also have 1 MB of external SRAM RCM6700 boards have 1MB of onchip RAM and 32KB of onchip battery backable SRAM on the Rabbit 6000 microprocessor The RCM6750 6760 models also have 1MB of external SRAM 4 5 2 Program Flash Memory All RCM5700 models have 1MB of parallel flash memory installed at U3 RCM6700 RCM6710 have a 1MB serial flash and RCM6750 RCM6760 have a 4MB serial flash installed NOTE Rabbit recommends that any customer applications should not be constrained by the sector size of the flash memory since it may be necessary to change the sector size in the future A user block area is defined to store persistent data The function calls writeUserBlock and readUserBlock are provided
47. activity Dual LEDs ACT on is activity 1 2 _ es ee ENET ACTIVITY ON PES matches RCM5700 The Ethernet LEDs are under software control on the RCM6700 so other configurations are pos sible as well See the RCM6700 specific section of LIB Rabbit4000 TCPIP folder for more details MiniCore RCM5700 RCM6700 User s Manual digi com 62 B 4 Power Supply The MiniCore requires a regulated 3 15 V 3 45 V DC power source to operate Depending on the amount of current required by the application different regulators can be used to supply this voltage The Interface Board has an onboard 3 3 V linear regulator The Interface Board is protected against reverse polarity by a Shottky diode at D3 as shown in Figure B 4 LINEAR POWER REGULATOR 433 D3 D1 LD29150DT33R an a B240 B240 RAW D2 CONTROLLER 5240 7N U4 POWER SWITCH mini USB CONNNECTOR Figure B 4 Interface Board Power Supply Power may be supplied to the Interface Board either via the mini USB connector at J5 or through the power supply jack J6 When a separate power supply is used the chip at U4 disables power from the mini USB connector which continues to supply power only to the USB interface chip Diodes at D1 and D2 prevent power from going back to the other power supply that is not supply ing power A separate power supply is required whenever the Interface Board is not connected to the PC
48. al 2 5 1 Technical Support NOTE If you purchased your MiniCore through a distributor or through a Rabbit partner contact the distributor or partner first for technical support If there are any problems at this point e Use the Dynamic C Help menu to get further assistance with Dynamic C e Check the Rabbit Technical Bulletin Board and forums at http forums digi com support forum index e Use the Technical Support e mail form at www digi com support MiniCore RCM5700 RCM6700 User s Manual digi com 18 3 RUNNING SAMPLE PROGRAMS To develop and debug programs for the RCM5700 RCM6700 and for all other Rabbit hardware you must install and use Dynamic C This chapter provides a tour of its major features with respect to the RCMS700 RCM6700 3 1 Introduction To help familiarize you with the RCM5700 RCM6700 modules Dynamic C includes several sample programs Loading executing and studying these programs will give you a solid hands on overview of the RCM5700 RCM6700 s capabilities as well as a quick start with Dynamic C as an application development tool NOTE The sample programs assume that you have at least an elementary grasp of ANSI C If you do not see the introductory pages of the Dynamic C User s Manual for a suggested reading list In order to run the sample programs discussed in this chapter and elsewhere in this manual 1 Your RCM5700 RCM6700 must be installed on the Interface Board as described in Chapt
49. am ping 10 10 6 101 or by Start gt Run and typing the entry ping 10 10 6 101 The ping routine will ping the module four times and write a summary message on the screen describing the operation MiniCore RCM5700 RCM6700 User s Manual digi com 101 F 6 Running Additional Sample Programs With Direct Connect The sample programs discussed here are in the Dynamic C SAMPLES RCM5700 TCPIP or SAM PL BROWS ES RCM6700 TCPI P folder ELED C The Digital I O accessory board must be installed with the jumpers set up as shown below to run this sample program Install header connector strip in bottom socket This program demonstrates a basic controller running a Web page Four LEDs are created on the Web page and four buttons to toggle them Users can change the status of the lights from the Web browser The LEDs on the Digital I O accessory board match the ones on the Web page As long as you have not modified the TCPCONFIG 1 macro in the sample program enter the following server address in your Web browser to bring up the Web page served by the sam ple program http 10 10 6 100 Otherwise use the TCP IP settings you entered in the TCP_CONFIG LIB library ETHERNET TO SERIAL C Before you compile and run this sample program use the long 10 pin header to DB9 cable Galore Part No 540 0085 to connect header J4 to a PC COM port i dae Line up the col
50. amming port is accessed via the USB connector J5 on the Inter face Board The programming port uses the Rabbit CPU s Serial Port A for communication Dynamic C uses the programming port to download and debug programs The programming port is also used to cold boot the Rabbit processor on the RCM5700 RCM6700 after a reset MiniCore RCM5700 RCM6700 User s Manual digi com 36 4 3 Programming Modes The USB cable is used to connect the programming port of the RCM5700 RCM6700 to a PC USB port via the Interface Board Whenever the MiniCore is reset the operating mode is determined by the state of the SMODE pins The MiniCore is automatically in Program Mode when the SMODE pins which are tied together are pulled up to 3 3 V This happens when the MiniCore is installed on the Interface Board and pins 1 2 on header JP1 on the Interface Board are jumpered When the SMODE pins are pulled low by removing the jumpers from pins 1 2 on header JP1 on the Interface Board the Rabbit 5000 6000 will operate in the Run Mode once the MiniCore is reset RESET RESET MiniCore module when changing mode Short out RESET_IN to GND OR Press RESET button if using Interface Board OR Cycle power off on after removing or attaching jumper on pins 1 2 Figure 4 12 Switching Between Program Mode and Run Mode When you use the USB cable supplied with the Standard Development Kit while the MiniCore is operating in the Run Mode the Min
51. are isolated from the Internet by a firewall and or a proxy server These devices attempt to secure the company from unauthorized network traffic and usually work by disallowing traffic that did not originate from inside the network If you want users on the Internet to communicate with your MiniCore you have several options You can either place the MiniCore directly on the Internet with a real Internet address or place it behind the firewall If you place the MiniCore behind the firewall you need to configure the firewall to translate and forward packets from the Internet to the MiniCore MiniCore RCM5700 RCM6700 User s Manual digi com 97 F 4 Running TCP IP Sample Programs We have provided a number of sample programs demonstrating various uses of TCP IP for net working embedded systems These programs require you to connect your PC and the MiniCore module together on the same network This network can be a local private network preferred for initial experimentation and debugging or a connection via the Internet MiniCore System MiniCore System User s PC Ethernet Ethernet cables crossover cable Direct Connection network of 2 computers To additional network elements Direct Connection Using a Hub MiniCore RCM5700 RCM6700 User s Manual digi com 98 F 4 1 How to Set IP Addresses in the Sample Programs With the introduction of Dynamic C 7 30 we have taken steps to make it easier to run many of our
52. available in the Dynamic C TCP IP User s Manual MiniCore RCM5700 RCM6700 User s Manual digi com 99 F 4 2 How to Set Up your Computer for Direct Connect Follow these instructions to set up your PC or notebook Check with your administrator if you are unable to change the settings as described here since you may need administrator privileges The instructions are specifically for Windows 2000 but the interface is similar for other versions of Windows TIP If you are using a PC that is already on a network you will disconnect the PC from that net work to run these sample programs Write down the existing settings before changing them to facilitate restoring them when you are finished with the sample programs and reconnect your PC to the network 1 Go to the control panel Start gt Settings gt Control Panel and then double click the Net work icon 2 Select the network interface card used for the Ethernet interface you intend to use e g TCP IP Xircom Credit Card Network Adapter and click on the Properties button Depending on which version of Windows your PC is running you may have to select the Local Area Con nection first and then click on the Properties button to bring up the Ethernet interface dia log Then Configure your interface card for a 10Base T Half Duplex or an Auto Negotiation connection on the Advanced tab NOTE Your network interface ca
53. ctor it UU UU UU U Ue x gt s p 2 4 ts CS OOOLO OEE OM LS Hehe 4 ma aa i low i Ni s TA OES TRV STYGTI TTT VRE GEE 23 2323232 2323232323 ooooo0o0000000000000000000 TEETE oooo000 Throu ugh Hole 5000002 0000000 2229232 Prototyping Area oooo0000000000000000 22222222333233 E oooo0oo000000 oooo0oo0o00000000 ooo0oo000 ooooo0oo00000000000 E 3322322332232833233 IE EA gee sana 54 4 SMT Prototyping Area 1141111111111 1111111 MoocoCoSoS O O O NDO hs ai z ee a o o o o o o o o O O o o o o 0000000000000 0 33v 4 4 4 ee amp 44 O 3 3 V and GND Buses Figure C 1 Prototyping Board C 1 1 Prototyping Board Features Power Connection Power is supplied to the Prototyping Board via the MiniCore header socket connections Power LED The power LED lights whenever power is connected to the Prototyping Board Module Extension Headers The complete pin set of the MiniCore module is duplicated below header J2 Developers can solder wires directly into the appropriate holes or for more flexible development a 2 x 25 header strip with a 0 1 pitch can be soldered into place See Figure C 4 for the header pinouts Prototyping Area A generous prototyping area is provided for the installation of through hole and surface mount components 3 3 V and ground buses run along the left and right ed
54. d 3 Apply Power The MiniCore module and Interface Board are now ready to be used MiniCore RCM5700 RCM6700 User s Manual digi com 91 F 2 TCP IP Primer on IP Addresses Obtaining IP addresses to interact over an existing operating network can involve a number of complications and must usually be done with cooperation from your ISP and or network systems administrator For this reason it is suggested that the user begin instead by using a direct connec tion between a PC and the Interface Board using a CAT 4 5 Ethernet cable or a simple arrange ment with a hub In order to set up this direct connection the user will have to use a PC without networking or dis connect a PC from the corporate network or install a second Ethernet adapter and set up a sepa rate private network attached to the second Ethernet adapter Disconnecting your PC from the corporate network may be easy or nearly impossible depending on how it is set up If your PC boots from the network or is dependent on the network for some or all of its disks then it probably should not be disconnected If a second Ethernet adapter is used be aware that Windows TCP IP will send messages to one adapter or the other depending on the IP address and the binding order in Microsoft products Thus you should have different ranges of IP addresses on your private net work from those used on the corporate network If both networks service the same IP address then Windows may send a
55. d Table D 1 Digital O Accessory Board Specifications Parameter Specification Board Size 2 50 x 3 75 x 0 52 64 mm x 95 mm x 13 mm Operating Temperature 40 C to 85 C Humidity 5 to 95 noncondensing Operating Voltage 3 3 V DC Current Draw from Interface Board 6 mA typical Two 2 x 25 IDC header sockets 0 1 pitch Connectors a2 x 25 IDC header strip is included to connect the Digital I O accessory board to the board below it Standoffs Spacers 4 MiniCore RCM5700 RCM6700 User s Manual digi com 76 D 2 1 Headers The Digital I O accessory board has a header socket at J2 for physical connection to other boards above it and a header socket at J12 on the bottom side to connect to boards below it J2 and J12 are 2 x 25 SMT header sockets with a 0 1 pin spacing Figure D 3 shows the layout of another board to be plugged into the Digital I O accessory board this footprint is identical for the Pro totyping Board and the two accessory boards The values are relative to the mounting hole 0 275 6 985 0 010 0 25 MiniCore Boards Footprint Figure D 3 MiniCore Boards Footprint All measurements are in inches followed by millimeters enclosed in parentheses MiniCore RCM5700 RCM6700 User s Manual digi com 77 D 3 Using the Digital I O Accessory Board The Digital I O accessory board provides
56. d and the MiniCore is operating in the Run Mode Serial Ports B C and D can also be operated in the clocked serial mode In this mode a clock line synchronously clocks the data in or out Either of the two communicating devices can supply the clock Note that Alternate Serial Port B which uses PD4 and PDS is used together with the clock on PBO for the serial flash on the RCM5750 RCM5760 and RCM6700 family If you wish to use the regular Serial Port B I O pins PC4 and PCS as serial I O pins with the RCM5750 RCM5760 or RCM6700 family your application must manage its sharing of Serial Port B so as to avoid any conflicts with using the onboard serial flash Serial Ports E and F can also be configured as SDLC HDLC serial ports The IrDA protocol is also supported in SDLC format by these two ports Serial Ports E and F must be configured before they can be used The following macros show one way to do this define SERE_TXPORT PEDR define SERE_RXPORT PEDR define SERF_TXPORT PFDR define SERF_RXPORT PFDR MiniCore RCM5700 RCM6700 User s Manual digi com 34 Table 4 4 summarizes the possible parallel port pins for the serial ports and their clocks Table 4 4 Rabbit 5000 and 6000 Serial Port and Clock Pins TXA PC6 PC7 TXE PE6 PC6 Serial Port A RXA PC7 PE7 RXE PE7 PC7 Serial Port E SCLKA PB1 RCLKE PES PC5 TXB PC4 PCS TCLKE _ PE4 PC4 Serial Port B RXB
57. ed in which case the power supply through the USB cable will be disconnected automatically Remove slot cover insert tab into slot Figure 2 5 Alternate Power Supply Connections Deluxe Development Kit First prepare the AC adapter for the country where it will be used by selecting the plug The deluxe Development Kit presently includes Canada Japan U S Australia N Z U K and Euro pean style plugs Snap in the top of the plug assembly into the slot at the top of the AC adapter as shown in Figure 2 5 then press down on the spring loaded clip below the plug assembly to allow the plug assembly to click into place Release the clip to secure the plug assembly in the AC adapter Connect the AC adapter to DC input jack J6 on the Interface Board as shown in Figure 2 5 Plug in the AC adapter The green power LED on the Interface Board should light up The MiniCore and the Interface Board are now ready to be used Note that the center pin of J6 is positive MiniCore RCM5700 RCM6700 User s Manual digi com 16 2 3 Starting Dynamic C If you already have Dynamic C installed you are now ready to test your programming connec tions by running a sample program Start Dynamic C by double clicking on the Dynamic C icon on your desktop or in your Start menu Select Store Program in Flash on the Compiler tab in the Dynamic C Options gt Project Options menu Then click on the Communications tab and ve
58. ed in the Dynamic C User s Manual You should do your software development in the flash memory on the RCM5700 RCM6700 The flash memory and options are selected with the Options gt Program Options gt Compiler menu NOTE Do not depend on the flash memory sector size or type in your program logic The RCM5700 RCM6700 and Dynamic C were designed to accommodate flash devices with various sector sizes in response to the volatility of the flash memory market Developing software with Dynamic C is simple Users can write compile and test C and assem bly code without leaving the Dynamic C development environment Debugging occurs while the application runs on the target Alternatively users can compile a program to an image file for later loading Dynamic C runs on PCs under Windows NT and later see Rabbit s Technical Note TN257 Running Dynamic C With Windows Vista for additional information if you are using Dynamic C under Windows Vista Programs can be downloaded at baud rates of up to 460 800 bps after the program compiles MiniCore RCM5700 RCM6700 User s Manual digi com 40 Dynamic C has a number of standard features e Full feature source and or assembly level debugger no in circuit emulator required e Royalty free TCP IP stack with source code and most common protocols e Hundreds of functions in source code libraries and sample programs Exceptionally fast support for floating point arithmetic and transcendental fu
59. ees 11 ae 22 Hard c ti 12 5 2 1 Digital Q sis ccestenstestiiteveteccieseetese 42 2 Hardware Connections eccceeecseeereeeeeees 56 Seo Comman caton bree 42 2 2 1 Step 1 Prepare the Interface Board for 952 2 User Block csseissanseigeaitenaimcsmssas 42 Development ccccecceeceeeeseeseeeseseeeseenes 12 5 2 4 RCM5700 RCM6700 Cloning 43 2 2 2 Step 2 Install Module on 5 2 5 TCP IP Drivers i ciasciseacscsessuestocsccsarsivent 43 Interface Board ssnssorresersressosreortoressterense 13 5 2 6 Serial Flash Drivers not supported on 2 2 3 Step 3 Connect USB Cable 15 RCM5700 RCM5710 voesccesssssssessseessecsseeees 43 2 3 Starting Dynamic C asserirseisreeiereeriereiinreireeein 17 5 3 Upgrading Dynamic C o ceecesseseeseceeseen 43 2 4 Run a Sample Program 17 5 3 1 Add On Modules cceeceeseesseseeeees 43 2 4 1 Troubleshooting cceseeeeseeeeeees 17 2 5 Where Do I Go From Here cc ccccccceeee 18 Appendix A RCM5700 RCM6700 2 5 1 Technical Support ccc eeeeeeeeeees 18 Specifications A 1 Electrical and Mechanical Characteristics 45 3 Running Sample Programs A 1 1 mini PCI Express Connector Design 3 1 Introduction ccccccecssseescecssceeseceseecsseeesees 19 Recommendations ccccccccceceeeeeenereneees 52 3 2 Sample Programs cccccecseeseeeeeeeteeeeeees 20 A 2 Rabbit 5000 and 6000 Microprocessor Charac 3 2 1 Use of Serial Flash not
60. er 2 Getting Started 2 Dynamic C must be installed and running on your PC 3 The USB cable must connect the Interface Board to your PC 4 Power must be applied to the RCM5700 RCM6700 through the Interface Board Refer to Chapter 2 Getting Started if you need further information on these steps To run a sample program open it with the File menu if it is not still open then compile and run it by selecting Run in the Run menu or press F9 The RCM5700 RCM6700 must be in Program Mode see Figure 4 12 and must be connected to a PC using the USB cable Complete information on Dynamic C is provided in the Dynamic C User s Manual MiniCore RCM5700 RCM6700 User s Manual digi com 19 3 2 Sample Programs Of the many sample programs included with Dynamic C several are specific to the RCMS5700 RCM6700 These programs will be found in the SAMPLES RCM5700 or SAMPLES RCM6700 folder depending on your MiniCore model Sample programs in the SAMPLES folder one level up are generally generic samples that can be run on any Rabbit based product Before you compile and run the following sample programs make sure that pins 1 2 5 6 and 7 8 on header JP1 of the Interface Board are jumpered Each sample program has comments that describe the purpose and function of the program Follow the instructions at the beginning of the sample program CAUTION Do not jumper pins 1 3 on header JP1 on the Interface Board
61. ere with other users We recommend one of these options for initial development No LAN The simplest alternative for desktop development Connect the Interface Board s Ethernet port directly to the PC s network interface card using an CAT 4 5 Ethernet cable Micro LAN Another simple alternative for desktop development Use a small Ethernet 10Base T hub and connect both the PC s network interface card and the Interface Board s Ethernet port to it using standard network cables MiniCore RCM5700 RCM6700 User s Manual digi com 90 The following options require more care in address selection and testing actions as conflicts with other users servers and systems can occur LAN Connect the Interface Board s Ethernet port to an existing LAN preferably one to which the development PC is already connected You will need to obtain IP addressing information from your network administrator WAN The RCM5700 RCM6700 is capable of direct connection to the Internet and other Wide Area Networks but exceptional care should be used with IP address settings and all network related programming and development We recommend that development and debugging be done on a local network before connecting a Rabbit based system to the Internet NOTE Checking and debugging the initial setup on a micro LAN is recommended before connecting the system to a LAN or WAN The PC running Dynamic C does not need to be the PC with the Ethernet car
62. g area where surface mount components may be installed Small holes are provided around the surface mounted components that may be installed around the prototyping area MiniCore RCM5700 RCM6700 User s Manual digi com 72 C 3 1 Add Additional Boards The Prototyping Board and the two accessory boards included with the Deluxe Development Kit may be installed on the Interface Board as shown in Figure C 5 Install header connector strip in bottom socket EJP ETP com gp Figure C 5 Install Additional Boards 1 Insert the header strip into header socket J2 on the Interface Board or the board already installed above the Interface Board 2 Line up the board being installed above the pins extending from the header socket and the stand offs connectors 3 Press down to install the board 4 Insert additional plastic standoffs connectors as shown to hold the board firmly in place and to hold another board if desired When additional boards are installed the board to board spacing is 0 7 17 8 mm Multiple boards should be installed in this sequence from bottom to top e Interface Board with MiniCore installed e Prototyping Board e Serial Communication accessory board e Digital I O accessory board MiniCore RCM5700 RCM6700 User s Manual digi com 73 APPENDIX D DIGITAL I O ACCESSORY BOARD Appendix D describes the features and accessories of the Digital I O accessory board
63. ges of the through hole prototyping area The through hole area is set up to accept compo nents with a pitch of 0 1 or widths of 0 3 or 0 6 Several areas for surface mount devices are also available Note that there are SMT pads on both the top and the bottom of the Prototyping Board Each SMT pad is connected to a hole designed to accept a 30 AWG solid wire MiniCore RCM5700 RCM6700 User s Manual digi com 68 Figure C 2 shows the mechanical dimensions and layout for the Prototyping Board C 2 Mechanical Dimensions and Layout yb GLL 0 l HEEE HEEE P aa aaa H Fetetere Teotetere A a SN AA Ae esas ise 3 OOOO C00O Ohta v 00000000009 0 0 0 0 0 000 000 000 go g O00 000000000000 OO 000000000000 00000000000000 we 00000000000000 we 00000000000000 0000000000000 p 220000000000 s 000000000000 p 000000000000 ip OO 0000000000 000000000000 fs 000000000000 z 000000000000 2O 0 000000 000 x4 0 125 dia 3 2 oooo0oo0o0o0000 TIITII III ITIITI O O O O O O O O O O 0 O fe 0000000000000 ip 00900000000000 00 000000000000 200000000000000 00000000000000 200000000000000 vo0o000000000000 LF o0000000000000 9000000000000 EA yl NID OC OO000000000 69 digi com Figure C 2 Prototyping Board Dimensions All measurements are in inches followed by millimeters enclosed in parentheses
64. gram only supports listening TCP sockets meaning that Ethernet to serial devices can only be started by another device initiating the network connec tion to the Rabbit Each serial port can be associated with a specific TCP port The Rabbit will listen on each of these TCP ports for a connection which will then be associated with a specific serial port Data will then be shuttled between the serial and Ethernet connections F 7 Where Do I Go From Here NOTE If you purchased your MiniCore through a distributor or through a Rabbit partner contact the distributor or partner first for technical support If there are any problems at this point e Use the Dynamic C Help menu to get further assistance with Dynamic C e Check the Rabbit Technical Bulletin Board and forums at http forums digi com support forum index e Use the Technical Support e mail form at www digi com support If the sample programs ran fine you are now ready to go on Additional sample programs from the SAMPLES TCPIP folder are described in the Dynamic C TCP IP User 5 Manual Please refer to the Dynamic C TCP IP User s Manual to develop your own applications An Intro duction to TCP IP provides background information on TCP IP and is available on the CD and on our Web site MiniCore RCM5700 RCM6700 User s Manual digi com 103 APPENDIX G POWER SUPPLY Appendix G provides information on the current requirements of the RCM5700 RCM6700 and inc
65. hat your PC cannot handle the higher program loading baud rate Try changing the maximum download rate to a slower baud rate as follows e Locate the Serial Options dialog on the Communications tab in the Dynamic C Options gt Project Options menu Select a slower Max download baud rate Click OK to save If a program compiles and loads but then loses target communication before you can begin debugging it is possible that your PC cannot handle the default debugging baud rate Try lower ing the debugging baud rate as follows e Locate the Serial Options dialog on the Communications tab in the Dynamic C Options gt Project Options menu Choose a lower debug baud rate Click OK to save Press lt Ctrl Y gt to force Dynamic C to recompile the BIOS You should receive a Bios compiled successfully message once this step is completed successfully MiniCore RCM5700 RCM6700 User s Manual digi com 17 2 5 Where Do I Go From Here If the sample program ran fine you are now ready to go on to other sample programs and to develop your own applications The source code for the sample programs is provided to allow you to modify them for your own use The RCM5700 RCM6700 User s Manual also provides complete hard ware reference information for the RCM5700 RCM6700 the Interface Board the Prototyping Board and the accessory boards in the Deluxe Development Kit For advanced development topics refer to the Dynamic C User s Manu
66. header JP10 unstuffed t Termination and bias resistors enabled via header JP13 unstuffed NOTE Headers J1 J5 J6 and the associated circuits and configuration headers are not stuffed MiniCore RCM5700 RCM6700 User s Manual digi com 87 Figure E 5 shows the locations of the configurable header positions JP11 oo0oo0oo a ooo o JP12 a JP13 oo 555 sp CEEP il a 2Ps JP8 s cee s S JP10 a a Figure E 5 Location of Configurable Jumpers on Serial Communication Accessory Board MiniCore RCM5700 RCM6700 User s Manual digi com 88 E 3 2 Add Additional Boards The Prototyping Board and the two accessory boards included with the Deluxe Development Kit may be installed on the Interface Board as shown in Figure E 6 Install header connector strip in bottom socket EJP ETP com gp Figure E 6 Install Additional Boards 1 Insert the header strip into header socket J2 on the Interface Board or the board already installed above the Interface Board 2 Line up the board being installed above the pins extending from the header socket and the stand offs connectors 3 Press down to install the board 4 Insert additional plastic standoffs connectors as shown to hold the board firmly in place and to hold another board if desired When additional boards are installed the board to board spacing is 0 7 17 8 mm Multiple boards should be installed i
67. herboard which is what must be done with the RCMS5700 RCM6700 and RCM5750 RCM6750 models provides significant design advantages because the core module may then be placed anywhere on the motherboard Rabbit s Technical Note TN266 PCB Layout for the Ethernet PHY Interface provides complete design recommen dations If the RJ 45 Ethernet jack is on the MiniCore printed circuit board as it is on the RCM5710 RCM5760 RCM6710 RCM6760 modules the edge of the MiniCore module with the Ethernet jack must be positioned along the edge of the motherboard to allow access to the jack since the entire assembly will likely be inside a customer designed enclosure MiniCore RCM5700 RCM6700 User s Manual digi com 7 All RCM5700 RCM6700 models are programmed through a USB connector on the motherboard using a USB cable supplied with the Development Kit The RCM5750 RCM5760 may also be programmed remotely over an Ethernet link using the Remote Program Update library with Dynamic C v 10 56 or later The RCM67xx series may also be used with the Remote Program Update with Dynamic C v 10 64 or later See Application Note AN421 Remote Program Update for more information NOTE The RabbitLink cannot be used to program the RCM5700 or RCM6700 Appendix A provides detailed specifications for the RCM5700 and RCM6700 1 2 Advantages of the RCM5700 and RCM6700 e Fast time to market using a fully engineered ready to run ready to program microprocessor core
68. iCore will reboot once approximately 2 seconds after its ini tial startup To avoid this reboot you will have to use the AC adapter supplied with the Deluxe Development Kit your own 5 V power supply or you will need a special USB cable that has a separate power only connection option to supply power via the Interface Board to operate the MiniCore in the Run Mode A program runs in either mode but can only be downloaded and debugged when the MiniCore is in the Program Mode Refer to the Rabbit 5000 Microprocessor User 5 Manual or Rabbit 6000 Microprocessor User s Manual for more information on the programming port MiniCore RCM5700 RCM6700 User s Manual digi com 37 4 3 1 Standalone Operation of the RCM5700 RCM6700 The RCM5700 RCM6700 must be programmed via the Interface Board or via a similar arrange ment on a customer supplied board Once the MiniCore has been programmed successfully reset the MiniCore The MiniCore may be reset by cycling power off on or by pressing the RESET but ton on the Interface Board The jumper across pins 1 2 on header JP1 on the Interface Board must be removed in order for the MiniCore to operate in the Run Mode after it is reset The MiniCore module may now be removed from the Interface Board for end use installation CAUTION Power to the Interface Board or other boards should be disconnected when removing or installing your RCM5700 RCM6700 module to protect against inadvertent shorts across
69. is also available for purchase For further information and complete documentation visit our Web site at www digi com MiniCore RCM5700 RCM6700 User s Manual digi com 43 APPENDIX A RCM5700 RCM6700 SPECIFICATIONS Appendix A provides the specifications for the RCM5700 and RCM6700 digi com 44 A 1 Electrical and Mechanical Characteristics Figures A 1 a and A 1 b show the mechanical dimensions for the RCM5700 RCM6700 and RCMS5760 RCM6760 The related dimensions for the RCM5710 6710 and RCM5750 RCM6750 are listed in Table A 1 All measurements are in inches followed by millimeters enclosed in paren theses 0 157 7 0 125 dia 5 0 114 3 2 TN E D D 1 20 Vo 30 oe Figure A 1 a RCM5700 RCM6700 Dimensions MiniCore RCM5700 RCM6700 User s Manual digi com 45 0 157 0 125 dia y B2 2 ze 2 0 73 yo 19 p 1 20 Se 2S 30 oL SS Figure A 1 b RCM5760 RCM6760 Dimensions digi com 46 MiniCore RCM5700 RCM6700 User s Manual It is recommended that you allow for an exclusion zone of 0 08 2 mm around the RCMS5700 RCM6700 top and bottom and 0 04 1 mm around the three non connector edges when the RCM5700 RCM6700 is incorporated into an assembly that includes other printed cir cuit boards This exclusion zone that you keep free of other components and boards will allow for sufficient air flow and will help to minimize any electrical or e
70. it subsystems 27 how to set in sample programs 99 RCM5700 se Stal mounting on Interface Board 13 DO CE Ol ee eee mu Run Mode cssasciscsarcantzesessoronansess 37 J switching modes ceee 37 jumper configurations S accessory boards Digital I O o an 79 sample programs ssesssesessesseeee 20 Serial Communication 87 ACCESSOLY boards Interface Board eee 66 Digital VO aes al Prototyping Board Serial Communication 23 JP2 analog inputs reference 66 getting to know the RCM5700 RCM5700 esssssssctnstnseneesee 55 TUATI ee JP1 flash memory size 55 FLASHLEDO01A C 20 JP2 TXH assassina 55 EA Ee nd i rnan 55 ee ee te JPA RX nn 55 SERIALTOSERIAL C 21 22 SPS RX cassssentnteee 55 ee A jumper locations 55 SWITCHLEDS C 2 hardware setup eeeee 19 M how to run TCP IP sample programs 98 99 how to set IP address 99 MAC addresses eseeeeeereees 95 onboard serial flash P SERIAL _FLASHLOG C 24 SFLASH_INSPECT C 24 PCB footprint PONG C 2assescisisessesavesvesestiveces 17 mini PCI Express connector and latch 52 TCP IP mini PCI Express connector and standoffs 53 BROWSELED C 102 pinout DISPLAY MAC 95 Digital I O accessory board 78 ETHERNET_TO_SERIAL C 102 Ethernet port cccccceseeeeees 36 PINGME C ossis 101 RCM5700 USERBLOCK_CLEARC 42 alternate configurations 28 USERBLOCK_INFO C drees 42 RCM5700 edge connectors 26 seria
71. itch or LED positions above these headers via headers JP6 and JP9 Table D 2 lists the connec tion options for the switches and LEDs Table D 2 Digital I O Accessory Board Switch LED Connection Options we Connected via Alternate Connection sles ae Switch LED gna Header Pins Header Pin PB4 Ss1 1 2 1 PB5 S2 3 4 2 JP5 JP6 PB6 S3 5 6 3 PB7 S4 7 8 4 MiniCore RCM5700 RCM6700 User s Manual digi com 79 Table D 2 Digital I O Accessory Board Switch LED Connection Options we Connected via Alternate Connection cla Me Switch LED igna Header Pins Header Pin PA4 DS1 1 2 1 PAS DS2 3 4 2 JP8 JP9 PA6 DS3 5 6 3 PA7 DS4 7 8 4 PBO s5t 1 2 1 PB1 S6 3 4 2 JP10 JP11 PB2 S7 5 6 3 PB3 S8 7 8 4 PAO DS5 1 2 1 PAI DS6 3 4 2 JP13 JP14 PA2 DS7 5 6 3 PA3 DS8 7 8 4 Switches S1 S4 are pulled high or low via jumpers on header JP7 Switches S5 S8 are pulled high or low via jumpers on header JP12 not stuffed NOTE Switches S5 S8 LEDs DS5 DS8 and the corresponding configuration headers JP10 JP14 and circuits are not stuffed Figure D 6 shows the locations of the configurable jumpers JP6 JRO PAT JP14 ooocoo jjoooo jfoooojfoooo a a a a JP5 o ooo0oo0 oa0oo oooo ooo0oo0o O QOO oo0oo0o0o oo0oo0oo0 eooo o
72. l Dimensions and Layout 69 C2 A Headers cearc s 71 C 3 Using the Prototyping Board eee 72 C 3 1 Add Additional Boards cce 73 Appendix D Digital I O Accessory Board D 1 Introduction ceceeeseeceseeeseeeeeeeeeeeeeeeees 75 D 1 1 Digital I O Accessory Board Features 75 D 2 Mechanical Dimensions and Layout 76 D 2 1 Headers motene 77 D 3 Using the Digital I O Accessory Board 78 D 3 1 Configuration c ceeeseeeeseeeeeeees 79 D 3 2 Add Additional Boards eee 81 Appendix E Serial Communication Accessory Board E1 Introductio sviesti is 83 E 1 1 Serial Communication Accessory Board Feattfe Snooi en e aT 83 E 2 Mechanical Dimensions and Layout 84 E21 Headers iiveccicnecsdranndeiavenian 85 E 3 Using the Serial Communication Accessory Bardea E aan 86 E 3 1 Configuration esseere 87 E 3 2 Add Additional Boards 006 89 Appendix F Using the TCP IP Features F 1 TCP IP Connections esssesssessseeseseerereereees 90 F 2 TCP IP Primer on IP Addresses 00 92 F 2 1 IP Addresses Explained eeeee 94 F 2 2 How IP Addresses are Used 95 F 2 3 Dynamically Assigned Internet Addresses 96 F 3 Placing Your Device on the Network 97 F 4 Running TCP IP Sample Programs 98 F 4 1 How to Set IP Addresses in the Sample Programs seces atenen nA Era EREE RERS 99 F 4 2 How to Set Up your Computer for
73. l communication 34 Serial Communication accessory board 86 function calls o on 42 power supplies software AIS Nicest oy eee 104 PACKET LIB sorser 42 battery backup cceeeee 105 RS232 LIB occ 42 Program Mode ccceseeseeeeeseees 37 Serial Communication accessory board 83 switching modes ccee 37 TeAatUres pA ES 83 programming serial flash Remote Program Update 8 software programming Port ou 36 FAT_CONFIG LIB 43 108 digi com MiniCore RCM5700 RCM6700 User s Manual SFLASH LIB uu 43 serial ports eceeeeeeeeeeeees 34 35 Ethernet port sesser 36 programming port essees 36 Serial Port B manage conflicts with RCM5750 RCM5760 serial flash Interface Board cc cee 60 headers ceceseeeeeees 61 Prototyping Board 70 headers ceceseeeeeees 71 Rabbit 5000 DC characteristics 54 Serial Communication accessory board 84 spectrum spreader 34 Settings oo eeeeceseeseeseeeeeeseeeees 38 Serial Port E subsystems configuration information 34 digital inputs and outputs 26 Serial Port F switching modes cceeeee 37 configuration information 34 SOMWATEC enin n 10 T external W O BUS vsssssssssssssssssssas ea tamper detection 00 eee 39 VO drivers sseessesesessssenses 42 TCP IP primer o i 92 libraries technical support ssssseeseeeeseee 18 TCP IP ssesessssesseeressse 43 troubleshooting
74. l measurements are in inches followed by millimeters enclosed in parentheses MiniCore RCM5700 RCM6700 User s Manual digi com 85 E 3 Using the Serial Communication Accessory Board The Serial Communication accessory board provides the user with MiniCore connection points brought out conveniently to labeled points below header J2 The pinouts for header socket J2 and the RS 232 headers at J3 and J4 are shown in Figure E 4 J2 GNDO 0 m 3 3 V PEC o o PEO PE3D o PE2 PE6C o o PES SMODE _ 5 o PE7 PD1C o PDO PD3C o o PD2 IRESETC o RESET_IN GNDO o of 3 3 V PC4C o o PCO PC3C o PC2 PC5 RxBC o o PC4 TxB PC7 RxAL_ o o PC6 TxA PB1 SCLKAC o o PBO SCLKB PB3C o0 o PB2 PB5 o o PB4 PB7 _ o o PB6 GND o of gt j 3 3 V PAIC o o PAO PA3C o o PA2 PA5C o o PA4 PA7C o o PAG NOWRO 1 NORD VBAT_EXTO o o STATUS GNDO o 3 3 V Note These pinouts are as seen on the Top Side Figure E 4 Serial Communication Accessory Board Pinout The remaining RS 232 header positions at J5 and J6 and the RS 485 screw terminal header posi tion at J1 are unstuffed MiniCore RCM5700 RCM6700 User s Manual digi com 86 E 3 1 Configuration Serial Ports C and D are brought out as 3 wire RS 232 serial ports on headers J4 and J3
75. lectromagnetic interference between adjacent boards Figure A 2 shows this exclusion zone for the RCM5700 RCM6700 model In the event that you are using a device with additional components installed such as the RCM5710 RCM6710 RCM5750 or RCM6750 the exclusion zone in Figure A 2 should be extended 0 08 2 mm beyond the edge of the added components Exclusion Zone Figure A 2 RCM5700 RCM6700 Exclusion Zone MiniCore RCM5700 RCM6700 User s Manual digi com 47 Table A 1 lists the electrical mechanical and environmental specifications for the RCM5700 Table A 1 RCM5700 Specifications Parameter RCM5700 RCM5710 RCM5750 RCM5760 Microprocessor Rabbit 5000 at 50 0 MHz EMI Reduction Spectrum spreader for reduced EMI radiated emissions Ethernet Port 10 100Base T 10 100Base T 10 100Base T 10 100Base T PHY only RJ 45 2 LEDs PHY only RJ 45 2 LEDs Flash Memory program 1MB Flash Memory mass data storage 2MB serial flash External SRAM 512KB 8 bit SRAM 128KB Rabbit 5000 onchip Backup Battery Connection for user supplied backup battery to support RTC None General Purpose I O up to 35 parallel digital I 0 lines configurable with four layers of alternate functions Additional Inputs Reset in Additional Outputs Status reset out Can be configured for 8 data lines and External I O Bus 8 address lines
76. ltage 3 3 V DC Maximum Current Draw nominal 500 mA max for USB supply including user added circuits 1 5 A for separate power supply One 2 x 25 IDC header sockets 0 1 pitch One 52 pin mini PCI Express socket to accept RCM5700 One mini USB connector One 2 mm power supply jack Other Connectors Standoffs Spacers 4 MiniCore RCM5700 RCM6700 User s Manual digi com 60 B 2 1 Headers The Interface Board has a header socket at J2 for physical connection to other boards J2 is a 2 x 25 SMT header socket with a 0 1 pin spacing Figure B 3 shows the layout of another board to be plugged into the Interface Board this footprint is identical for the Prototyping Board and the two accessory boards The values are relative to the mounting hole 0 275 6 985 RR po ees 0 010 0 25 6 6HG 6 6 4 3 4 2 f 4 4 6 8 8 2 6 8 4 J2 MiniCore Boards Footprint Figure B 3 Interface Board Footprint All measurements are in inches followed by millimeters enclosed in parentheses MiniCore RCM5700 RCM6700 User s Manual digi com B 3 Ethernet B 3 1 RJ 45 The Ethernet filter circuit is different between the Rabbit 5000 and Rabbit 6000 Ethernet designs If an RJ 45 jack is present on the MiniCore then the appropriate circuitry is on the MiniCore If the interface
77. ludes some background on the chip select circuit used in power management G 1 Power Supplies The RCM5700 RCM6700 requires a regulated 3 15 V 3 45 V DC power source The MiniCore design presumes that the voltage regulator is on the user board and that the power is made avail able to the RCM5700 board through the edge connectors An RCMS5700 with no loading at the outputs operating at 50 0 MHz typically draws 130 mA An RCM6700 with no loading at the outputs operating at 187 5 MHz typically draws 75 mA MiniCore RCM5700 RCM6700 User s Manual digi com 104 G 1 1 Battery Backup for the RCM5700 RCM5710 and RCM6700 Family The RCM5700 RCM6700 modules do not include a battery but there is provision for customer supplied battery backup on some module types Battery backup keeps the Rabbit 5000 real time clock running on the RCM5700 RCM5710 modules and keeps the Rabbit 6000 real time clock running while also preserving content of the internal 32 KB SRAM on the RCM6700 family of modules Battery backup is not available on the RCM5750 5760 modules The edge connector shown in Figure G 1 allows access to the external battery This makes it pos sible to connect an external 3 V power supply This allows the internal Rabbit 5000 6000 real time clock to retain data with the RCM5700 RCM6700 powered down Bottom NO 3 3V Rx Rx ACT PE1 PE3 PEG RESET_IN PD1 PDO PD3 PD2 PC1 PCO PC3 PC2 PC5 RxB PC4 TxB IRESET PBO SCLK PB3 PB2
78. me Default Use Alternate Use Notes 47 STATUS Output Programming port TXA TXE 48 PC6 Input Output T O Strobe 16 PWM2 49 SMODE Input RXA TXA RXE Programming port T O Strobe I7 50 PC7 Input Output PWM3 SCLKC Input Capture 51 GND 52 3 3 V MiniCore RCM5700 RCM6700 User s Manual digi com 32 4 1 1 Memory I O Interface The Rabbit 5000 address lines AO A19 and data lines DO D7 are routed to the onboard flash memory chip I O write IOWR and I O read IORD are available for interfacing to external devices Parallel Port A can also be used as an external I O data bus to isolate external I O from the main data bus Parallel Port B pins PB2 PB7 can also be used as an external address bus When using the external I O bus for either Ethernet or the LCD keypad module on the Prototyp ing Board or for any other reason you must add the following line at the beginning of your pro gram define PORTA_AUX_IO required to enabl xternal I O bus Selected pins on Parallel Ports D and E as specified in Table 4 3 may be used for input capture quadrature decoder DMA and pulse width modulator purposes 4 1 2 Other Inputs and Outputs The status RESET_IN and SMODE I O are normally associated with the programming port Since the status pin is not used by the system once a program has been downloaded and is run ning the status pin can then be used as a general purpose CMOS output The programming port is de
79. n this sequence from bottom to top 1 Interface Board with MiniCore installed 2 Prototyping Board 3 Serial Communication accessory board 4 Digital I O accessory board MiniCore RCM5700 RCM6700 User s Manual digi com 89 APPENDIX F USING THE TCP IP FEATURES F 1 TCP IP Connections Programming and development can be done with the MiniCore without connecting the Ethernet port to a network However if you will be running the sample programs that use the Ethernet capability or will be doing Ethernet enabled development you should connect the Ethernet port on the Interface Board at this time Before proceeding you will need to have the following items e If you don t have Ethernet access you will need at least a 10Base T Ethernet card available from your favorite computer supplier installed in a PC e Two CAT 4 5 Ethernet cables and a hub or one CAT 4 5 Ethernet cable NOTE The Ethernet cables and a 10Base T Ethernet hub are available from Rabbit in a TCP IP tool kit More information is available at www digi com Now you should be able to make your connections 1 Connect the AC adapter and the USB cable as shown in Chapter 2 Getting Started 2 Ethernet Connections There are four options for connecting the Interface Board to a network for development and runtime purposes The first two options permit total freedom of action in selecting network addresses and use of the network as no action can interf
80. nctions RS 232 and RS 485 serial communication Analog and digital I O drivers YC SPI GPS file system LCD display and keypad drivers e Powerful language extensions for cooperative or preemptive multitasking e Loader utility program to load binary images into Rabbit targets in the absence of Dynamic C e Provision for customers to create their own source code libraries and augment on line help by creating function description block comments using a special format for library functions e Standard debugging features Breakpoints Set breakpoints that can disable interrupts Single stepping Step into or over functions at a source or machine code level wC OS II aware Code disassembly The disassembly window displays addresses opcodes mnemonics and machine cycle times Switch between debugging at machine code level and source code level by simply opening or closing the disassembly window Watch expressions Watch expressions are compiled when defined so complex expressions including func tion calls may be placed into watch expressions Watch expressions can be updated with or without stopping program execution Register window All processor registers and flags are displayed The contents of general registers may be modified in the window by the user Stack window shows the contents of the top of the stack Hex memory dump displays the contents of memory at any address STDIO window printf outputs to this
81. nd accessories of the Serial Communication accessory board and explains how to use the Serial Communication accessory board The Serial Communication accessory board mounts on the Interface Board or other board already installed on the Interface Board from which it receives its power and signals digi com 82 E 1 Introduction The Serial Communication accessory board included in the Deluxe Development Kit provides two 3 wire serial ports to use in conjunction with selected sample programs The Serial Commu nication accessory board is shown below in Figure E 1 with its main features identified MiniCore Stacking Module User Interface Extension Header Connector O JPN A py RY amp PSEC ESS FE OCE LE CLOSES CLE SSB CONNECTION a gt DE TXF AXF a J PDIPD2PD3 eog JP13 pa AS485 lt TERMINAL o PC0 PC3 2 Brought Out Eo o E ne to J3 and J4 pds i E E S TTT COMMUNICATION pit TAH Serial Port D Serial Port C CTS RTS Ce Available on J3 RS 232 Headers o iat 4B5 GND 485 J1 O Figure E 1 Serial Communication Accessory Board E 1 1 Serial Communication Accessory Board Features Power Connection Power is supplied to the Serial Communication acces
82. ns the documentation menu and the third is for the Rabbit Field Utility a tool used to download precompiled software to a target system If you have purchased any of the optional Dynamic C modules install them after installing Dynamic C The modules may be installed in any order You must install the modules in the same folder where Dynamic C was installed MiniCore RCM5700 RCM6700 User s Manual digi com 11 2 2 Hardware Connections There are three steps to connecting the Interface Board for use with Dynamic C and the sample programs 1 Insert standoffs connectors on the Interface Board 2 Install the MiniCore module on the Interface Board 3 Connect the USB cable between the Interface Board and the workstation PC 2 2 1 Step 1 Prepare the Interface Board for Development Insert a short plastic standoff supplied from the Development Kit in one of the corner holes from the bottom of the Interface Board then secure it with a long plastic standoff from above as shown in Figure 2 2 Repeat this step so that plastic standoffs connectors are in place at all four posi tions Figure 2 2 Insert Standoffs Connectors MiniCore RCM5700 RCM6700 User s Manual digi com 12 2 2 2 Step 2 Install Module on Interface Board Position the MiniCore module with the edge connectors facing the mini PCI Express socket J1A at an angle as shown in Figure 2 3 below Insert the edge connectors into the mini PCI Express socket
83. oles or for more flexible development a 2 x 25 header strip with a 0 1 pitch can be soldered into place See Figure D 4 for the header pinouts e I O Switches and LEDs Four momentary contact normally open switches are connected to PB4 PB7 on the MiniCore module and may be read as an input by sample applications Four LEDs are connected to PA4 PA7 on the MiniCore module and may be driven as an out put indicator by sample applications MiniCore RCM5700 RCM6700 User s Manual digi com 75 D 2 Mechanical Dimensions and Layout Figure D 2 shows the mechanical dimensions and layout for the Digital I O accessory board 0 125 dia ITN U UU U SOLES EEE CCE LO OOO PEELE ESS ___ ews 57k E 7 S1 S4 OPTION te32 ACT_H ACT_L TP3 TP36 az DIGITAL 1q G JP12 55 58 OPTION far ACT_H ACT_L are te HE m 2 a amp amp TPO TPS JPI2 me I eiis SREE ae i Bii aie OROROORO UUS EEA SI 052 MEDS 20 S 3 os MENS oss E Sns 6n psa 58 3 45 88 3 75 95 Figure D 2 Digital I O Accessory Board Dimensions All measurements are in inches followed by millimeters enclosed in parentheses Table D 1 lists the electrical mechanical and environmental specifications for the Digital I O accessory boar
84. onfigurations Figure B 7 shows the header locations used to configure the various Interface Board options via jumpers BEB sp2 es Figure B 7 Location of Configurable Jumpers on Interface Board Table B 3 lists the configuration options using either jumpers or 0 Q surface mount resistors Table B 3 Interface Board Jumper Configurations wee Factory Header Description Pins Connected Default E SMODE pins pulled up x Programming Mode 3 4 Reserved for future use JP1 Dynamic C Setup 5 6 LED DS1 connected x 7 8 Switch S1 connected x o 1 2 Nominal 700 mA mini USB Connector Power JP2 ye Supply Current Limiting n c Nominal 500 mA x The MiniCore will operate in Run Mode when these pins are not jumpered MiniCore RCM5700 RCM6700 User s Manual digi com 66 APPENDIX C PROTOTYPING BOARD Appendix C describes the features and accessories of the Prototyping Board and explains the use of the Prototyping Board to build prototypes of your own circuits The Prototyping Board mounts on the Interface Board from which it receives its power and signals digi com 67 C 1 Introduction The Prototyping Board included in the Development Kit provides a prototyping area for more advanced hardware development The Prototyping Board is shown below in Figure C 1 with its main features identified MiniCore Stacking Module User Interface Extension Header Conne
85. ored edge of the cable with pin 1 on header J4 as shown in the diagram pin 1 is indicated by a small square on the silkscreen Note that two of the lines in the cable opposite the colored side are not connected within the 10 pin connector Open a Hyperterminal session Start gt Accessories gt Com munications Select the PC COM port the cable is con nected to and set the default serial parameters go ool TxD o oO RxD o o GND o o MiniCore RCM5700 RCM6700 User s Manual digi com 102 Bits per second 115200 Data bits 8 Parity None Stop bits 1 Flow control None As long as you have not modified the TCPCONFIG 1 macro in the sample program enter the following server address in your Web browser to bring up the Web page served by the sample program http 10 10 6 100 Otherwise use the TCP IP settings you entered in the TCP_CONFIG LIB library Now compile and run the sample program With the Hyperterminal client active click on the Hyperterminal window appearing on your PC desktop anything you type on your keyboard will be echoed back by the Rabbit and will appear in the Web browser Note that you will not see what you are typing in the active window unless you have enabled the local echo This sample program uses the RabbitWeb HTTP enhancements to configure a simple Ethernet to serial converter The sample pro
86. orm as the IP address An example netmask is 255 255 255 0 This netmask has 8 zero bits in the least significant portion and this means that 28 addresses are a part of the local network Applied to the IP address above 216 103 126 155 this netmask would indicate that the following IP addresses belong to the local network 216 103 126 0 216 103 126 1 216 103 126 2 etc 216 103 126 254 216 103 126 255 The lowest and highest address are reserved for special purposes The lowest address 216 102 126 0 is used to identify the local network The highest address 216 102 126 255 is used as a broadcast address Usually one other address is used for the address of the gateway out of the network This leaves 256 3 253 available IP addresses for the example given MiniCore RCM5700 RCM6700 User s Manual digi com 94 F 2 2 How IP Addresses are Used The actual hardware connection via an Ethernet uses Ethernet adapter addresses also called MAC addresses These are 48 bit addresses and are unique for every Ethernet adapter manufac tured In order to send a packet to another computer given the IP address of the other computer it is first determined if the packet needs to be sent directly to the other computer or to the gateway In either case there is an Ethernet address on the local network to which the packet must be sent A table is maintained to allow the protocol driver to determine the MAC address corresponding to a particula
87. r ccceeceseeeeees 38 CLONING secede isin alates 43 connectors design and layout recommendations 52 mini PCI Express 0 00 50 PCB footprint with latch connector 52 PCB footprint with standoffs 53 D Development Kits 0 0 cee 9 Deluxe Development Kit 9 AC adapter eee 9 accessory boards 9 CADlES sreo onia iiearssi 9 Standard Development Kit 9 Dynamic C ou eee 9 Getting Started instructions 9 Interface Board 9 Prototyping Board 9 USB cable oe 9 digital O seeen 26 function Calls sses 42 memory interface s es 33 SMODED nosses 33 SMODE sisceeici cana 33 Digital I O accessory board 74 75 features cocaine 75 dimensions Digital I O accessory board 76 Interface Board ccceeees 60 Prototyping Board n se 69 RCMS5700 eccessesseeseesseeseesees 45 Serial COmmunication accessory board 84 Dynamic C 10 11 17 40 add on modules 11 43 installation 0 0 11 Rabbit Embedded Security Pack 43 sample programs 20 standard features debugging 00 41 telephone based technical support 10 43 troubleshooting 0 0 eee 17 upgrades and patches 43 E Ethernet cables ccccseeseeees 90 how to tell them apart 90 Ethernet connections 90 92 10 100Base T oo eee eeeeeeeees 92 10Base T Ethernet card 90 additional resources
88. r IP address If the table is empty the MAC address is determined by sending an Ether net broadcast packet to all devices on the local network asking the device with the desired IP address to answer with its MAC address In this way the table entry can be filled in If no device answers then the device is nonexistent or inoperative and the packet cannot be sent Some IP address ranges are reserved for use on internal networks and can be allocated freely as long as no two internal hosts have the same IP address These internal IP addresses are not routed to the Internet and any internal hosts using one of these reserved IP addresses cannot communi cate on the external Internet without being connected to a host that has a valid Internet IP address The host would either translate the data or it would act as a proxy Each MiniCore module has its own unique MAC address which consists of the prefix 0090C2 followed by a code that is unique to each MiniCore module For example a MAC address might be 0090C2C002C0 TIP You can always obtain the MAC address on your module by running the sample program DISPLAY MAC C from the SAMPLES TCPIP folder MiniCore RCM5700 RCM6700 User s Manual digi com 95 F 2 3 Dynamically Assigned Internet Addresses In many instances devices on a network do not have fixed IP addresses This is the case when for example you are assigned an IP address dynamically by your dial up Internet service provider
89. rd will likely have a different name 3 Now select the IP Address tab and check Specify an IP Address or select TCP IP and click on Properties to assign an IP address to your computer this will disable obtain an IP address automatically IP Address 10 10 6 101 Netmask 255 255 255 0 Default gateway 10 10 6 1 4 Click lt OK gt or lt Close gt to exit the various dialog boxes MiniCore IP 10 10 6 101 System Netmask 255 255 255 0 User s PC Ethernet crossover cable Direct Connection PC to MiniCore Module MiniCore RCM5700 RCM6700 User s Manual digi com 100 F 5 Run the PINGME C Sample Program Connect the crossover cable from your computer s Ethernet port to the MiniCore module s RJ 45 Ethernet connector Open this sample program from the SAMPLES TCPIP ICMP folder compile the program and start it running under Dynamic C The crossover cable is connected from your computer s Ethernet adapter to the MiniCore module s RJ 45 Ethernet connector When the pro gram starts running the green LINK light on the MiniCore module should be on to indicate an Ethernet connection is made Note If the LNK light does not light you may not be using a cross over cable or if you are using a hub with straight through cables perhaps the power is off on the hub The next step is to ping the module from your PC This can be done by bringing up the MS DOS window and running the pingme progr
90. rdware and the LEDs next to the USB connector on the Interface Board will flash if you get an error message you will have to install USB drivers Drivers for Windows XP are available in the Dynamic C Drivers Rabbit USB Programming Cable WinXP_2K folder double click DPInst exe to install the USB drivers Drivers for other operating systems are available online at www ftdichip com Drivers VCP htm The green power LED on the Interface Board should light up when you connect the USB cable The MiniCore and the Interface Board are now ready to be used NOTE A RESET button is provided on the Interface Board above the Ethernet jack to allow a hardware reset without disconnecting power NOTE Pins 1 2 on header JP1 on the Interface Board must be jumpered to download and debug applications and sample programs with Dynamic C running Pins 1 2 should be left unjumpered to run an program already loaded in flash memory CAUTION Do not jumper pins 1 3 on header JP1 on the Interface Board MiniCore RCM5700 RCM6700 User s Manual digi com 15 2 2 3 1 Alternate Power Supply Connections Deluxe Development Kit The deluxe Development Kit contains a separate AC adapter that may be used to supply power to the Interface Board and the RCM5700 RCM6700 when the USB cable is not connected or when more power is needed than the 500 mA the USB cable is able to supply The AC adapter may also be used to supply power when the USB cable is connect
91. rify that Use USB to Serial Converter is selected to support the USB cable Click OK You may have to select the COM port assigned to the USB cable on your PC In Dynamic C select Options gt Project Options then select this COM port on the Communications tab then click OK 2 4 Runa Sample Program Find the file PONG C which is in the Dynamic C SAMPLES folder To run the program open it with the File menu compile it using the Compile menu and then run it by selecting Run in the Run menu The STDIO window will open on your PC and will display a small square bouncing around in a box This program shows that the CPU is working 2 4 1 Troubleshooting If you receive the message Could Not Open Serial Port check that the COM port assigned to the USB cable was identified and set up in Dynamic C as described above This same error occurs when Windows has already allocated the COM port to another process If you receive the message No Rabbit Processor Detected the USB cable may be con nected to the wrong COM port or the connection may be faulty First check both ends of the USB cable to ensure that it is firmly plugged into the PC and the USB connector in the Interface Board Ensure that the module is firmly and correctly installed in its connector on the Interface Board If Dynamic C appears to compile the BIOS successfully but you then receive a communication error message when you compile and load a sample program it is possible t
92. rrent draw by the real time clock oscillator circuit G 1 2 Battery Backup Circuit Figure G 2 shows the battery backup circuit FDV3 2P Figure G 2 MiniCore Backup Battery Circuit The battery backup circuit serves the following purposes e It reduces the battery voltage to real time clock thereby limiting the current consumed by the real time clock and lengthening the battery life e It ensures that current can flow only out of the battery to prevent charging the battery e Switches to battery power only when the 3 3 V system power supply is off G 1 3 Reset Generator The RCM5700 RCM6700 uses a reset generator to reset the Rabbit microprocessor when the voltage drops below the voltage necessary for reliable operation The reset occurs between 2 85 V and 3 00 V typically 2 93 V The MiniCore has a reset output on the edge connector MiniCore RCM5700 RCM6700 User s Manual digi com 106 Index A accessory boards Digital O ccccccsssssssseseeeeeeee 75 configuration options 79 LED outputs 79 pushbutton switches 79 dimensions 0006 76 specifications 76 Serial Communication 83 configuration options 87 RTS CTS 87 dimensions 000 84 specifications 84 additional information online documentation 10 B battery backup battery life 0 eeeneees 106 CIECIE 23s ivieiasca witches 106 reset generator oo eee 106 Cc Clock double
93. s Ethernet PHY interface chooses Ethernet interface automatically based on whether a crossover cable or a straight through cable is used in a particular setup External I O bus can be configured for 8 data lines 8 address lines shared with parallel I O lines and I O read write RCM5700 128KB SRAM on Rabbit 5000 chip and 1MB flash memory with 2MB serial flash and 512KB SRAM on RCM5750 RCM5760 models RCM6700 1MB SRAM on Rabbit 6000 chip and 1MB serial flash with 4MB serial flash and additional 1MB external SRAM on RCM6750 6760 models Real time clock battery backable on all models except the RCM5750 5760 Watchdog supervisor There are four RCM5700 production models Table 1 1 summarizes their main features Table 1 1 RCM5700 Features Feature RCM5700 RCM5710 RCM5750 RCM5760 Microprocessor Rabbit 5000 at 50 0 MHz Ethernet Port 10 100Base T 10 100Base T 10 100Base T 10 100Base T SE PHY only RJ 45 2 LEDs PHY only RJ 45 2 LEDs External SRAM 512KB 8 bit SRAM 128KB Rabbit 5000 onchip Flash Memory program 1MB Flash Memory 2MB serial flash mass data storage 6 shared high speed CMOS compatible ports 6 are configurable as asynchronous serial ports 4 are configurable as clocked serial ports SPT 2 are configurable as SDLC HDLC serial ports 1 asynchronous serial port is used during programming Serial Ports MiniCore RCM5700 RCM6700 User s
94. s main features identified Ethernet LED Configuration Jumpers Reset Switch socket MiniCore Snap In holder a Program Run Mode vA f Switch LED User Jumper Settings LED LED User Switch RJ 45 Ethernet Jack am mini USB a Programming Power i Connector mi USB LEDs t 2 N pone oo Power Current Limiting Configuration Jumper Figure B 1 Interface Board MiniCore RCM5700 RCM6700 User s Manual digi com 58 B 1 1 Interface Board Features Power Connection Power is supplied to the Interface Board either from the PC via the USB connection or through a power supply jack J6 A chip at U4 disconnects the USB power sup ply from the rest of the Interface Board when power is supplied through jack J6 Users providing their own power supply should ensure that it delivers 5 V DC at 10 W Regulated Power Supply tThe raw DC voltage is routed to a 3 3 V linear regulator The reg ulator provides stable power to the MiniCore module and other boards connected to it Power LED The power LED lights whenever power is connected to the Interface Board Reset Switch A momentary contact normally open switch is connected directly to the Mini Core s RESET_IN pin Pressing the switch forces a hardware reset of the system Mini USB Connector A USB cable is used to connect the MiniCore via the Interface Board to your PC to enable you to program your MiniCore module
95. scribed in more detail in Section 4 2 3 RESET_IN is an external input used to reset the Rabbit 5000 6000 microprocessor and the Mini Core memory RESET is an output from the reset circuitry that can be used to reset other periph eral devices The two SMODE pins SMODEO and SMODE 1 are tied together and may be used as a special input when the MiniCore is operating in the Run Mode The logic state of these two pins deter mines the startup procedure after a reset MiniCore RCM5700 RCM6700 User s Manual digi com 33 4 2 Serial Communication The RCM5700 RCM6700 board does not have any serial level converters directly on the board However an Ethernet or other serial interface may be incorporated on the board the MiniCore is mounted on For example the Serial Communication accessory board in the Deluxe Development Kit has an RS 232 transceiver and the Interface Board has Ethernet and USB connections 4 2 1 Serial Ports There are six serial ports designated as Serial Ports A B C D E and F All six serial ports can operate in an asynchronous mode up to the baud rate of the system clock divided by 8 An asyn chronous port can handle 7 or 8 data bits A 9th bit address scheme where an additional bit is sent to mark the first byte of a message is also supported Serial Port A is normally used as a programming port but may be used either as an asynchronous or as a clocked serial port once application development has been complete
96. sory board via the MiniCore header socket connections Power LED The power LED lights whenever power is connected to the Serial Communica tion accessory board Module Extension Headers The complete pin set of the MiniCore module is duplicated below header J2 Developers can solder wires directly into the appropriate holes or for more flexible development a 2 x 25 header strip with a 0 1 pitch can be soldered into place See Figure E 4 for the header pinouts RS 232 Headers Serial Ports C and D are brought out as 3 wire RS 232 ports on headers J4 and J3 respectively Header J4 can be set up as a 5 wire RS 232 serial port with flow control provided by Serial Port C MiniCore RCM5700 RCM6700 User s Manual digi com 83 E 2 Mechanical Dimensions and Layout Figure E 2 shows the mechanical dimensions and layout for the Serial Communication accessory board All measurements are in inches followed by millimeters enclosed in parentheses 0 125 dia x 4 EF 3 2 _N Se ae Sees t gee Oo ab T o tle k ar 2 a iitie og 8g 7 PEG PE7 PC4PC5S a pooo b W J 2 SERIAL Wil P St amt COMMUNICATION Nm Ml J3 TXDAXD GND J4 STXCRXC GND JS TXERXE GND J6 amp TXBRXB GND i Ww Nt 0 15 3 45 0 15o 3 8 88 3 8 3 75 95 Figure E 2 Serial Communication Accessory Board Dimensions JP7 R5232 CONFIG PiB RS232 CONFIG JSIONLY J5 amp J6
97. supported for STIS ECS 35 cor cssscsceccsbscgscsdis ainia rE EPEAT 54 RCM5700 RCM5710 ssssessssesseseessseeesseen 24 A 3 Jumper Configurations ccsseeeeeeeeeee 55 4 Hardware Reference Appendix B Interface Board 4 1 RCM5700 RCM6700 Digital Inputs and Outputs B 1 Introduction ccccceccccessesceccesceeceeseeseccasenees 58 26 B 1 1 Interface Board Features 0c cc 59 4 1 1 Memory I O Interface oe eee 33 B 2 Mechanical Dimensions and Layout 60 4 1 2 Other Inputs and Outputs 0 0 0 33 B 2 1 Headers c cccccesccccscesesescececsessseeceeseees 61 4 2 Serial Commumication csciscsesssessesessesesss 34 B3 Ethemnet arinireki eeii 62 4 2 1 Serial Ports sssssnoningneien n 34 B 3 1 RI AS csssesecsasessacessasoesavedsdectecsouedsocaneneste 62 4 2 2 Ethernet PHY cccecsccsecsseeeseeeees 36 B 3 2 RCM6700 LEDS oo eeeeeeeeee 62 4 2 3 Programming Port sesser 36 B 4 Power Supply csscessesessesesseseeteseeeseenees 63 ee sees oe Foi a messitensessericets 37 B 5 Using the Interface Board 64 poe Danda One O PeLallor Or ie B 5 1 Add Additional Boards 0cc08 65 RCMS5700 RCM6700 n se 38 B 6 Interface Board Jumper Configurations 66 4 4 Other Hardware wee cess eeeeeceeneeeeeneens 38 MiniCore RCM5700 RCM6700 User s Manual digi com 3 Appendix C Prototyping Board C 1 Introduction 0 eeeseeeeeeceseeeeeeeeeenecneeeneees 68 C 1 1 Prototyping Board Features 68 C 2 Mechanica
98. ts e all 6 configurable as asynchronous with IrDA 4 as clocked serial SPI and 2 as SDLC HDLC e 1 clocked serial port shared with programming port Serial Rate Maximum asynchronous baud rate CLK 8 Slave Interface Slave port allows the RCM6700 to be used as an intelligent peripheral device slaved to a master processor Real Time Clock Yes Ten 8 bit timers 6 cascadable from the first Timers one 10 bit timer with 2 match registers and one 16 bit timer with 4 outputs and 8 set reset registers Watchdog Supervisor Yes Pulse Width Modulators 4 channels synchronized PWM with 10 bit counter or 4 channels variable phase or synchronized PWM with 16 bit counter Input Capture 2 channel input capture can be used to time input signals from various port pins MiniCore RCM5700 RCM6700 User s Manual digi com 50 Table A 2 RCM6700 Specifications Parameter RCM6700 RCM6710 RCM6750 RCM6760 Guaivatare Decoder 2 channel quadrature decoder accepts inputs from external incremental encoder modules 3 15 V DC min 3 45 V DC max 250 mA 3 3V 260 mA 3 3V typical with typical with 210 mA 3 3V Ethernet 220 mA 3 3V Ethernet typical with typical with Power Ethernet 320 mA aN Ethemet 330 mA aN MAX with MAX with Ethernet Ethernet 120 mA 3 3V 130 mA 3 3V 130 mA 3 3V 140 mA 3
99. vides complete physical and electrical specifications Figure 4 8 shows the Rabbit based subsystems designed into the RCM5700 RCM6700 Real Time Clock RABBIT Customer specific applications 3 3 V 5000 CMOS level 6000 signals RCM5700 RCM6700 MiniCore Module Figure 4 8 RCM5700 RCM6700 Subsystems MiniCore RCM5700 RCM6700 User s Manual digi com 25 4 1 RCM5700 RCM6700 Digital Inputs and Outputs Figure 4 9 shows the RCM5700 RCM6700 pinouts for the edge connector Bottom N 3 3 V Rx Rx ACT 2 5V PE1 PE3 PE6 RESET_IN PD1 PDO PD3 PD2 PC1 PCO PC3 PC2 PC5 RxB PC4 TxB RESET PBO SCLK PB3 PB2 PB5 PB4 PB7 PB6 PA1 PAO PA3 PA2 PAS PA4 PAT PAG VBAT_EXT NORD PB1 CLKA NOWR PC6 TxA STATUS PC7 RxA SMODE 3 3 V GND Figure 4 9 RCM5700 RCM6700 Pinouts The edge connectors are designed to interface with a 52 pin mini PCI Express socket Pin 8 has different functionality between the RCM5700 and RCM6700 due to differences in the Ethernet PHY designs On the RCM5700 it is the activity LED signal while on the RCM6700 it is 2 5V for the Ethernet interface MiniCore RCM5700 RCM6700 User s Manual digi com 26 Figure 4 10 shows the use of the Rabbit 5000 6000 microprocessor ports in the RCM5700 RCM6700 modules PA0 PA7 PB0 PB7 PD0 PD3 Port D Port C Serial Ports B C amp D PCO PC2 PC4 PC1 PC3 PC5 RABBIT PEO PE3 PE5 PE7 5000 6000
100. ving and nonblocking func tions which must be called repeatedly until they are finished allowing other functions to be performed between calls For more information see the Dynamic C Function Reference Manual and Rabbit s Technical Note TN213 Rabbit Serial Port Software both included with the online documentation 5 2 3 User Block None of the user block memory area is reserved This leaves the address range 0 1 FFA in the user block available for your application These address ranges may change in the future in response to the volatility in the flash memory market in particular sector size The sample program USERBLOCK_INFO C in the Dynamic C SAMPLES USERBLOCK folder can be used to determine the version of the ID block the size of the ID and user blocks whether or not the ID user blocks are mirrored the total amount of flash memory used by the ID and user blocks and the area of the user block available for your applica tion The USERBLOCK CLEAR C sample program shows you how to clear and write the contents of the user block that you are using in your application the calibration constants in the reserved area and the ID block are protected MiniCore RCM5700 RCM6700 User s Manual digi com 42 5 2 4 RCM5700 RCM6700 Cloning The RCM5700 RCM6700 does not have a programming header and is programmed through the USB connection on the Interface Board Rabbit s
101. ws a footprint for the SMT connectors in Table A 3 an 27 15 MiniCore oo Reference Footprint Layout 24 30 mini PCI Express connector 6 8 a Figure A 3 PCB SMT Footprint for Pinrex and FOXCONN Connectors All dimensions are in mm MiniCore RCM5700 RCM6700 User s Manual digi com 52 Other manufacturers such as Molex offer similar connectors and latches but these can have dif ferent mechanical structures and PCB footprints to what we use on the Interface Board Table A 4 lists a pair of matched Molex parts that might be used Table A 4 Molex Connector Related Parts Connector Part Molex Part Number mini PCI Express Connector 67910 0002 Latch Connector 48099 4000 Follow the PCB design and layout recommendations and considerations provided by the manu facturer for the connector and latch that you select The MiniCore may also be mounted with standoffs instead of a latch connector this is the type of mounting recommended for the MiniCore to maximize both the vibration resistance and the ground connections via the standoffs between the MiniCore module and the board it is mounted on The height of the standoffs will depend on the mini PCI Express connector selected Table A 5 pro vides some examples Figure A 4 shows a footprint for this mounting option based on the mini PCI Express connector in Table A 3 lt 48 05 5 MiniCore Reference Footprint Layout 24

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