Axiom Manufacturing CME-0555 Datasheet
Contents
1. 123 Position 1 CSO e Position 2 CS1 Position 3 CS2 Default Position 7 2 3 M SEL Jumper The MEM SEL jumper selects which chip select accesses the on board Option Memory EPROM bank U2 U3 If no jumper is installed then the memory bank is disabled and idle This memory bank is 16 bits wide and must have the same device type installed in both sockets Devices can be optioned up to 256KBytes each or 512KBytes total memory space The memory bank may be used for Boot Start program code from Power On Reset for the board If used for Boot start program Mode Switch 1 position 3 should be ON to select 16 bit wide bus for boot start The board ships with a simple Monitor program in EPROM installed in these sockets Absolute addressing of the memory bank is determined by programming the chip select register 123 Position 1 CS0 Default Position EN Position 2 CS1 Position 3 CS2 NOTE e CSO is the external Boot Memory device e CS3 is used by the Keypad and LCD devices 14 CME 0555 User Manual 03 10 05 7 2 4 MEM_OPT Jumpers The MEM_OPT jumper block selects the TYPE of devices installed in the 32 pin U2 and U3 optional memory sockets RAM Flash EEPROM and EPROM may be installed Following is a list of the jumper signal options and a chart showing standard jumper positions for typical devices Note that U2 3 device pins without an option jumper installed are pulled to a high level The option jumpers are setup in pairs for de2. 0x0000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 1 1 CME 0555 User Manual 03 10 05 4 4 2 Connecting and Resetting the BDM The CME555 has been tested thoroughly using a Macraigor Systems Inc wiggler BDM Since this development board simply brings out the BDM Port connector from the MPC555 controller any Freescale MPC BDM standard device should work You should connect the BDM to the board in the following order If the BDM module is powered and connected to the board before the board is powered on the microcontroller may not reset properly The following instructions assume you are using a parallel type BDM e Connect the supplied parallel cable to your PC e Connect the parallel cable to the BDM e Apply power to the BDM e Apply power to the CME555 development board e Connect the BDM to the BDM_PORT on the board which is located near the microcontroller Pin 1 of the BDM_PORT connector must line up with the RED Stripe along the side of the BDM cable e Press then release the PWR_ON RESET button The red RESET LED should flash ON briefly indicating that the board reset properly You should now be able to communicate with the CME555 using compatible BDM software The following sections describe methods used to debug a simple program using two BDM interface programs the manufacturer has tested with this board 4 4 3 Using the Metrowerks CodeWarrior BDM Software Th
3. case see the Jumpers and Switches section of this manual and return everything to default positions before proceeding Also make sure the switches are set to work properly with the EPROM s installed MODE_SW1 position 3 must be ON MODE_SW2 position 1 must be OFF and M SEL must be on 1 To get started quickly perform the following test now to make sure the board is working correctly 1 Connect one end of the supplied 9 pin serial cable to a free COM port on your PC Connect the other end of the cable to the COM 1 port on the board 2 Run a standard ANSI terminal communications program set to 9600 baud N 8 1 Any terminal program will work including the simple terminal that comes with MS Windows The AXIDE terminal software is provided on the support CD This software will provide an easy method to communicate and upload files to the CME0555 board AXIDE does not provide a target setting for the CME0555 board and only operates as a terminal with this target 3 Apply power to the board by plugging in the wall plug power supply transformer that came with the system 4 If everything is working properly should see the main utilities menu similar to the following AXIOM CME 555 UTILITIES 2 0 1 Debug Monitor 2 On Chip CMFI Flash Programming 3 External Flash Programming 4 Test Hardware Select Your board is now ready to use If you do not see the monitor prompt press then release the RESET button on the board I
4. examine and modify memory registers etc The final test is to execute the program If you bring up a terminal program in the background and press the Go button green light it will send the hello message to terminal screen assuming you have the serial cable connected See the SDS Single Step documentation for more information 5 Hardware Specifications Oscillator 4 0 MHz Reference Crystal Clock 40 MHz Maximum 20MHz default Operating temperature 0 C to 70 C Power requirement 7 20V O 120 ma Typical 10 CME 0555 User Manual 03 10 05 6 Memory Map Following is the Default memory map for this board as configured by the monitor utilities in U2 U3 EPROMS The internal map is detailed further in the MPC555 Users Manual Chip Selects 0 2 can be changed by your software to map the external memory any way you like however CS3 is dedicated to the peripherals Keypad LCD 0000 0006 0007 002F 002F 003F 003F 003F 0040 007F 0080 OOBF 00CO OOFF 0100 013F 0140 EPEE Internal Memory 0000 CMFI Internal Flash Memory Array FFFF 0000 Reserved BFFF C000 On chip Control and Status Registers see MPC555 Documentation 97FF 9800 Internal SRAM FFFF External Memory 0000 40 0000 40 FFFF for 64K device CS0 External EPROM 16 bit M SEL devices U2 U3 40 0000 47 FFFF for 512K device shipped with monitor program here FFFF 0000 CS1 External SRAM 32 bit RAM SEL devices U4 U7 5
5. rarely used changes to the MPC555 module power sources and to allow for easy attachment of a modification wire from the new source Each cut away is numbered on the board and in the schematic Following is a description of what each cut away provides Isolate MPC555 VDDSRAM J4 from 3 3V supply Isolate MPC555 VRL A7 from the common Ground Vss Isolate MPC555 VRH B7 from 5V supply Isolate MPC555 KAPWR from 3 3V supply hOND Note VRH and VRL signals can be found on the QADC_PORT connector also Care should be taken so that an external reference applied to VRH or VRL if required is isolated from the main supplies by cutting the associated cut away 7 5 COM 1 and COM 2 Serial Port Options COM 1 and COM 2 provide serial connection to the MPC555 internal serial ports SCI1 and SCI2 respectfully SCI1 is connected to the U9 RS232 level translator and SCI2 can be optioned to attach to that translator For additional Transmit Receive serial channels or RTS CTS flow control signals MPC555 TPUA channels 14 and 15 and TPUB channels 14 and 15 can be applied individually Following are the jumper options for the various connections 7 5 1 JP5 TPUA Channel 15 to COM_1 JP5 installed allows TPUA channel 15 to be used as either the COM 1 RTS signal or as an additional serial channel presented at COM_1 DB9S connector pin 8 7 5 2 JP6 TPUB Channel 15 to COM_2 JP6 installed allows TPUB channel 15 to be used as either the COM 2 RTS signal
6. should see the debugger window which contains source disassembly stack and variables There are commands available to single step breakpoint execute etc under the Debug menu The final test is to execute and test your program If you configured the software to just Connect as the Launch Action it will break at the start of the MainQ function in which case you will have to select Run again See the Metrowerks CodeWarrior documentation for more information CME 0555 User Manual 03 10 05 4 4 4 Using the SDS Single Step BDM Software When the SDS Single Step software starts you should see the debug status window All the settings in this window are automatically saved when you exit the program Follow these steps to configure the software to debug the hello world program used in the Using the Debug Monitor section of this manual 1 Select the Connection tab and make sure the settings match those used to connect the BDM to your PC Set the delay to 0 unless you re having connection problems 2 Select the Processor tab and choose MPC555 with no coprocessor 3 Select the Target Configuration tab The Category should be General the Processor should be set to MPC555 Each of the MPC555 registers listed in this window are set by the BDM whenever it connects to the development board It is important that these values match your hardware software configuration in order to debug your hardware software If you re not sure what these regist
7. the ORO OR3 registers Consult the MPC555 manual for more information on these registers On power up all memory addresses are mapped to addresses 0x00000000 0x00400000 and mirrored at each successive 0x00400000 memory blocks If booting externally from CSO your software must be located at a valid address when it changes the BRO register For example The MPC555 resets at address 0x0100 The monitor starts at the first 40 0000 block following the internal block see memory map When the MPC555 resets the code in the CSO device in this case the monitor is mirrored to every 40 0000 block in the map This allows the monitor to jump to the __start address 40 0000 The monitor initialization code then re maps CSO to address 40 0000 and everything works ok If you want to re map one of the external memory devices flash for example to the 0x0000 address space you may have an address conflict with the internal CMFI flash memory To make this work you must disable the onchip flash see the FLEN bit of the IMMR register in the MPC555 documentation You can then relocate your code with interrupt handlers at 0x0 running out of external memory Writing OxFFFO0000 to the SPR638 register in your BDM configuration file does this so you can debug external memory mapped at the 0x0 address space 19
8. 12K bytes at 80 0000 87 FFFF on this board FFFF 0000 CS2 External Flash Memory 32 bit FLSH SEL devices U15 U16 512K bytes at CO 0000 C7 FFFF on this board these are located on the board underneath the external EPROM FFFF 0000 CS3 External Peripheral Devices see the CS3 map under KEYPAD LCD section of this manual for details EEEF 0000 Un Mapped Address Space EFEF 11 CME 0555 User Manual 03 10 05 7 Jumpers and Switches 7 1 External Hard Reset Configuration Options Mode Switch 1 Mode Switch 2 and the Config Switch provide the external Hard Reset Configuration Word when enabled The switches provide a logic 0 or low level when off and a logic 1 or high level when on The configuration is only presented to the data bus during Hard Reset if External Configuration is enabled with Config Switch 4 The Hard Reset Configuration Word options not set by Mode Switches 1 or 2 are all defaulted to logic 0 by pull down resistors R24 through R31 In the unlikely event that user operation requires modification of one of the defaulted low levels a jumper wire to 3 3V can be installed on the bottom of the board For more information on the MPC555 Reset configuration refer to Chapter 7 in the MPCS55 technical manual 7 1 1 Config Switch Reset Function Default Position MODCK1 clock select MODCK2 clock select 4 MHz Oscillator 6 VPP powerenabled off Config Switch 4 ON enables the External Reset Confi
9. 55 board provides three external memory banks that provide e 128K x 32bit Fast Static Ram U4 U7 e 128K x 32bit Flash EPROM U15 U16 e Memory Option Sockets for 16bit wide memory U2 U3 Each memory bank can be configured individually to operate from the MPC555 chip selects CSO CS1 or CS2 Caution should be used not to place more than one memory bank on the same chip select 7 2 1 RAM SEL Jumper The RAM SEL jumper selects which chip select accesses the on board Fast Static Ram memory bank U4 U7 If no jumper is installed then the memory bank is disabled and idle This memory bank is 128K x 32 bits 512K bytes and operates with zero wait states This memory bank may be useful for emulating program operation prior to programming into internal or external flash memory Absolute addressing of the memory bank is determined by programming the chip select register 123 Position 1 CSO Y Position 2 CS1 Default Position Position 3 CS2 7 2 2 FLSH SEL Jumper The FLSH SEL jumper selects which chip select accesses the on board Flash EPROM memory bank U15 Ul6 If no jumper is installed then the memory bank is disabled and idle This memory bank is 128K x 32 bits 512K bytes and operates with 1 wait state at 20MHz The memory bank is available to the user to provide additional program code or data space and optional Boot start memory space Absolute addressing of the memory bank is determined by programming the chip select register
10. DOC 0258 010 Rev A CME 555 Single Board Computer for the Freescale MPC555 Microcontroller USERS MANUAL Axiom Manufacturing Inc email Sales axman com 2813 Industrial Lane web WWw axman com Garland TX 75041 972 926 9303 FAX 972 926 6063 CME 0555 User Manual 03 10 05 CONTENTS 1 CAUtiONAary Notes ii 2 AS AA sa ee ae sR a Sa TAE E ee ee oo 2 SB POATUI CS a id 3 4 Gettihg Started ies cscisnnesoceccssnvcusccs niini aiana beds a iii 4 4 1 SOFTWARE DEVELOPMENT reee r cress ba ti a sens Eai E 4 AZ TERMINAL SETTINGS A Ae eee ae eet 5 4 3 TUTORIAL oi ati 5 4 3 1 Using th Debus Monitor vais A Baie e E hess e e ai e E 5 4 3 2 Programming External Flash Memory orrec ieina EE E a EEE EE Sa EAEE E E AS EE EA 6 4 3 3 Programming the MPC555 On Chip CMFI Flash Memory ccoocciccccccnnnnnnnnonanonannnonnn cono cnno on neon nc nano nn conan cnn cra rra ranas 7 IN 8 4 4 1 Configuring the MPOIIO Registers miii ira catador Ed Ida di Eg aptas d da bc as 4 4 2 Connecting and Res tting the BDM lt lt lt picadas 9 4 4 3 Using the Metrowerks CodeWarrior BDM Software ccccccccsccesssesscesecesecusecusecsecasecaeesseeeaeeseeesseeeeseeceaeenaeenaeens 9 4 4 4 Using the SDS Single Step BDM Software cccccsccesccesccesecsseenseeseeeseeeseeseceseceecnsecaecuaecuaecsecuaecaaeceseeeseeeeseeeenaeenaes 10 5 Hardware SpecitviCations A ARA a dnd 10 E Mem ry MA A a A ii 11 7 JUMPECES ANA SWICHEOS cc ti a eii 12 7 1 E
11. Mode Switch 2 Reset Function Default 1 Internal Flash enable FLEN Off internal flash removed from memory map Off 2 Enable Compression EN_COMP On compression on MPC556 only Off 3 Exception Compression Enable EN_COMP Off aes HEN Reserved do not enable Off MEA E O 7 a Internal register space select ISB a off off off 0 0 0 register space at 0x00000000 7 EFRA Off 8 Dual mapping enable DME Off dual mapping disabled Off Notes for Manual for External Hard reset word options with Mode switches 1 and 2 e EARB bit is forced low in External Hard Reset Word internal arbitration e BDRV bit is forced low in external hardreset word Bus Drive full strength e Boot Port size of 8 bits is not avaliable on the CME 0555 e DBGC bit 1 is forced to low in the external hard reset word Debug pins IWPO VFLSO and IWP1 VFLS1 are only avaliable as VFLSO and VFLS1 See MODE SW1 position 4 for other Debug pin options e DBPC bit is forced low in the external hard reset word DSDI DSDO and DSCK debug signals enabled e ATWC bit in External Hard Reset Word is forced low WE0 3 BE0 3 signals enabled e EBDF bit 0 in the external hard reset configuration word is forced low see MODE Switch 1 position 5 e PRPM bit in the external hard reset word is forced low Peripheral Mode should not be used on the CME 0555 board 13 CME 0555 User Manual 03 10 05 7 2 Memory Device Selection and Configuration The CME05
12. XTERNAL HARD RESET CONFIGURATION OPTIONS ooccoccconcconocononnncnnnnnnnnnnnnnnonnnc nec ne coreo neon nono nonnnrnn enn rra naar nn ncnnecnnecnnss 12 7 1 1 Confie Swena chasse A A A A A A A asada 12 7 1 2 MOE SWUCH A idos 12 7 1 3 Mod Switeh Zin a acia 13 7 2 MEMORY DEVICE SELECTION AND CONFIGURATION cc cessscesecesecsceceeeseeeseeceeeeeeeecesecsecaecsaecsaecsaecaeecseseaeseseeeeeeaeees 14 7 2 1 RAMSSEL JuMPlr is 14 7 2 2 EESHSEE SUMP ers as 14 7 2 3 MSSEE JUMPER a rastas 14 7 2 4 MEM OPT Jumper sveshicascitdes Siawee aE EEn EA EE R raea aa AAEE iva seaden shea E AERD ASER 15 TZ MEM NV OLT Option Jumper xis hi A A A e 16 7 3 LCD PORT AND KEYPAD KEY PORT JUMPERS cssssssesseseesesseseecencesecceneeseceeneseceneeseceeneesececneeseeeeneeaeeeeneeaeens 16 7 3 1 CS3 Base Memory Mapa a A id A A 16 7 3 2 ECD Display CONTRASTA idad 16 7 3 3 LCD_PORT Power Polarity Select SIPI O prier iiaeie e eee aria ea a eE 16 7 3 4 KEY PORT and LCD_PORT Enable JPI or neoe e ee eaa a ee i aaaea 16 7 3 5 KEY PORT Interrupt Enable JP I2 pann e a aE EEA E E E EEEE EEE REENE ERS 16 TA MPCSSJ OPON JUMPERS rr e e e e ina stale daiwa ena EE AEA E E E E E ases 17 7 4 1 CULAWOY JUMPEIS E A a bath EEA E aes cee da E A 17 7 5 COM 1 AND COM 2 SERIAL PORT OPTIONS cccesccesecssecsseceecseeeseeeeeeesceceesecsecsaecnaecsaecsaecaaecseeeaeseseeseeeeeeeenseenaeenaes 17 7 5 1 JP5 TPUA Channel 15 to COM 1 uiceceeccssessesesseseeseseeseseeseeeesee
13. an be removed to write protect device 2 Devices must be written with 16 bit half word data for proper alignment 256K x 8 Standard EPROM Jumper Options Standard device type 27C010 Manufacturer device types NM27C010 and others 15 CME 0555 User Manual 03 10 05 7 2 5 MEM_VOLT Option Jumper The Memory Voltage Option jumper allows selection of 5V or 3 3V for Vcc to the memory devices installed in the U2 and U3 MEM_OPT sockets The jumper is set to the voltage required for the correct operation of the devices installed Only one jumper can be installed for this option 5V 5V 1 1 E Option 5V Default Ei a 3 3V 3 3V 5V 5V 1 1 Option 3 3V I 3 3V 3 3V 7 3 LCD PORT and KEYPAD KEY PORT Jumpers The LCD Port provides a versatile connector to attach 80 character display modules 160 character display modules and some graphics display modules with embedded drivers The Programmable Logic Device U21 provides address decode and LCD select control signals for the LCD and Keypad ports The 2 ports are controlled by chip select CS3 when enabled by JP12 USE CAUTION when connecting your LCD to the LCD PORT make sure the power polarity JP10 and signals match the end of the cable from the LCD module The memory map offset from the CS3 base address is as follows 7 3 1 CS3 Base Memory Map 0x0000 LCD_PORT Command Register 1 for up to 80 character display 0x0001 LCD_PORT Display Data Register 1 for up to 80 characte
14. d be ANSI When uploading files to the board be sure to send in Text mode AXIDE software will expect text files for uploads Oi de O When loading or programming FLASH memory you must apply ONE of the following a 2ms line pace delay after each line for RAM loading b 80ms line pace delay after each line for internal MPC555 flash or 10ms for external flash c Wait for echo character following each line AXIDE UPLOAD wait for reply character option 4 3 Tutorial The following brief tutorial was created to help you become familiar with the software development process on this board quickly For more information consult the online documentation of your BDM software 4 3 1 Using the Debug Monitor This board ships with a simple monitor utility programmed into the U2 and U3 EPROM devices See Getting Started for startup instructions Choose menu item 1 to launch the monitor Using this program and any serial communications terminal program you can display and modify memory and registers on the board from any PC This is done by typing commands into the terminal program on the PC Type help and hit lt enter gt for a complete list of available commands You can experiment with some of the commands like reading MD and modifying MM memory Make sure you re modifying memory that is mapped to valid addresses or the monitor program will hang or throw an exception You may then have to RESET the board to get the monitor back Interna
15. des all the features and memory to develop expanded or single chip MPC555 applications Provided with Axiom Utility Monitor operating in the external EPROM that provides a serial connection Development board provides external 128K x 32 Fast SRAM 512K bytes and 128K x 32 Flash EPROM 512K bytes for application support Kit includes serial cable 9V US Wall Power Adapter printed hardware manual MPC5xx support CD with example source codes GNU C compiler utility support software and technical manuals Features MPC555 with Floating Point Unit 40MHz operation w 4Mhz crystal reference 28K bytes Ram 448K byte Flash 2x TPU 2x QADC 2x CAN 2x SCI SPI PWM and timers A Standard fixed memory 128K x 32 Fast SRAM 12ns 128K x 32 Flash EPROM 120ns Two Configurable 32pin memory sockets for 32K to 2MByte PROM and 32K to 512KByte SRAM 32 Bit Bus support with 8 bit memory bank control COM1 SCI1 w RS232 type DB9 S Connection COM2 SCI2 w RS232 type DB9 P Connection 2 TouCAN Ports w transceivers PCA82C250 LCD Interface Connectors w Contrast Adjust Memory Mapped 80 or 160 character WN Keypad Interface Connector 16 Key 60 pin BUS_PORT with 32 data and 24 address 34 pin CONTROL_PORT Connector with Bus Controls 14 pin QSM_PORT with serial port I O 34 pin MIOS_PORT with PWM and parallel I O 34 pin TPU_PORT with Timer Module I O 34 pin QADC_PORT with Analog I O 10 pin INT_PORT with Interrupt I O Power _Port w
16. dow they are saved in this file The Metrowerks CodeWarrior BDM software uses a BDM JTAG Configuration File listed under EPPC Target Settings for register configuration This also is a text file and can be modified in a text editor In addition to modifying register values in these configuration files some BDM programs provide a convenient interface you can use to modify individual registers You should become familiar with this method since it provides a quick and easy way to make a change to a single bit value then test the results of the change The following table lists the recommended default values of the MPC555 configuration registers to debug and execute software on the CME555 development board with a BDM If you have trouble loading or executing the example software you should first check these values against the current settings in your BDM software The memory configuration below assumes the CME555 board is set to 32 bit mode MODE_SW1 3 OFF the RAM_SEL jumper is on 1 the FLSH SEL jumper is on 3 and the M SEL jumper is removed Note that these are not the same jumper setting as the board is shipped with 16 bit M SEL booting the monitor on external EPROM but rather this configuration would be a valid setting for debugging out of external RAM for example ADDRESS NAME VALUE ADDRESS NAME 0x00010000 0x00400000 0x0000 0x0000 0x0000 0x0000 0 4 8 4 8 0 0 0x0000
17. e Metrowerks debugger software can be executed from within the CodeWarrior compiler IDE after you load your software project You must configure the CodeWarrior IDE to work with your BDM and the CME555 development board First load your Project file and compile it Be sure you use valid memory addresses for this board set under the Linker settings Change the project settings for the debugger as follows 1 Set the Target Processor to Freescale 555 2 Set the Protocol to BDM MSI Wiggler or to whatever your BDM module supports 3 Change the BDM JTAG Configuration File to the ax555ini txt file included on the CME555 support CD This is simply a text file listing of register address that the BDM will modify and their values described previously in this manual 4 Change the device to Wiggler or other device you have and the Parallel port to match that of your PC 5 The other options can be left as is If you have trouble connecting change the Launch Action property to Connect Also increasing the Speed selection can help Never make this 0 however Verify the BDM port on your pc and the board See the Metrowerks debugger documentation for further help When finished select the Save button and close the project options window Enable the debugger under the Project window then select Debug to launch the debugger This will connect to the BDM write the register values in the configuration file and download your program to the board You now
18. ed Select External Flash Programming from the menu Select 2 for External Flash U15 U16 CS2 Select E to Erase the Flash Memory This should take less than 10 seconds Select P to Program from a file gt Flash CS This will prompt you to upload the file to be programmed Blt Os Da e A E Select the send text file or upload command from your terminal program and locate the file named HELLO_F S19 included on the support CD and send this file to the board 8 After all lines from the file have been programmed the words programmed are displayed along with any errors followed by the menu again Now the hello world program is at address 0OxC00000 the current location of onboard flash however it is linked to be run from 0x400000 since this is the address the program assigns to the CSO base register at runtime Explanation Since the monitor EEPROMS in U2 3 use the same Chip Select O that we wish to use for the hello world program by the setting of the M SEL jumper we must do an offset program into a different chip select Setting the FLSH SEL jumper to 3 configures the onboard flash to Chip Select 2 The monitor program will offset the program to that chip select base address 0xC00000 temporarily during programming 9 Remove power from the board and move the MODE_SW1 switch 3 to the OFF position This will configure the board to 32 bit mode which is required for the onboard flash memory to boot 10 Remove the M SEL jumpe
19. ers must be set to double click on each of them and verify they match with the tables on the previous page NOTE A file is included on the CD called MPC555 CFG that has these setting already entered If you copy it to the Single Step software CMD directory it will use those setting instead Unfortunately this file will be overwritten if you change anything in the Target Configuration window 4 Select the File tab The debug without a file box should be unchecked Select Browse and locate the file named HELLO_R ELF that was included on the CME555 support CD 5 Press the OK button at the bottom of the debug window The software will first create its own debugging files based on the ELF file and try to write them to your hard drive It will then attempt to connect to the development board through the BDM If this does not work disconnect the BDM and power from the board re apply power to the board press the PWR_ON RESET button then re connect the BDM to the board You can get the debug window back from the File menu Once connection with the board is established the software will start downloading the program onto the board When finished downloading it will attempt to execute it until the main function is reached You can disable this option under the Options tab When it is finished close the debug status window You should now see the HELLO_R program in the debug window along with other useful information You can single step
20. estic environment this product may cause radio interference in which case the user may be required to take adequate prevention measures d Attaching additional wiring to this product or modifying the products operation from the factory default as shipped may effect its performance and also cause interference with other apparatus in the immediate vicinity If such interference is detected suitable mitigating measures should be taken 2 Terminology This development board applies option selection jumpers Terminology for application of the option jumpers is as follows Jumper on in or installed jumper is a plastic shunt that fits across 2 pins and the shunt is installed so that the 2 pins are connected with the shunt Jumper off out or idle jumper or shunt is installed so that only 1 pin holds the shunt no 2 pins are connected or jumper is removed It is recommended that the jumpers be placed idle by installing on 1 pin so they will not be lost This development board applies option selections that require a soldering tool to install or remove This type connection places an equivalent Jumper Installed type option Applying the connection can be performed by installing a 0 ohm resistor component or small wire between the option pads See the Option sections for more details CME 0555 User Manual 03 10 05 3 Features The CME0555 is a fully configured development system for the Freescale MPC555 PowerPC Microcontroller The system provi
21. f still no go or if the text is garbage see the TROUBLESHOOTING section of this manual 4 1 Software Development The example monitor software initializes the clock to run this board at 40 MHz on power up The default MPC555 clock will be 20Mhz at Reset You can set the clock by changing the PLL Register in your software Software development on the CME555 is best performed using a BDM tool connected to the BDM PORT connector This provides real time access to all hardware peripherals and memory on the board BDM software is also available for high level source code debugging Contact the manufacturer for more information If a BDM is not available software development can be done using the included simple monitor program to upload your code to ram and execute it or program it into the EPROM s In either case software is usually uploaded to RAM and executed during development then programmed into FLASH EEPROM to execute when power is applied CME 0555 User Manual 03 10 05 4 2 Terminal Settings The utility software provided uses the serial port connected to your PC running a terminal program as described under Getting Started While you can use almost any commercial or free serial communications terminal interface it is important that you configure it to work properly with this board The following settings are important BPS 9600 Data Bits 8 Parity none Stop Bits 1 Flow Control should be set to HARDWARE or NONE Emulation shoul
22. guration Word When enabled a Hard Reset signal will enable the External Reset Configuration Word from Mode Switch 1 and 2 on to the Data Bus for input by the MPC555 Switching this OFF allows alternate configuration methods Config Switch 5 ON makes the EPEE signal valid high which is necessary to program the on chip CMF flash The MPC555 Vpp supply to the internal Flash EPROM Memory module is connected to a circuit supplying 3 3VDC for normal operation Config Switch 6 ON provides Vpp supply connection to 5V DC for programming the internal Flash EPROM Memory module This switch should remain OFF when not programming to protect the internal Flash EPROM 7 1 2 Mode Switch 1 Initial interrupt prefix IP on 1 Boot Port size BPSO on 16 bit boot port off 32 bit Debug pins configuration DBGCO see note 1 External Bus division factor EBDF1 on clock 2 6 Single Chip Mode Select SC0 1 see note2 Of Single Chip Mode Select SC0 1 see note 2 8 Exception table relocation enable ETRE on relocated Note 1 Switch 3 off makes VFLSO VFLS1 BI BG BR BB signals active Switch 3 on makes VFLSO VFLS1 STS VFO VF1 VF2 signals active 2 6 7 Off Off Extended 32 bit data bus Off On Extended 16 bit data bus On Off Single chip with show cycles not recommended on CME0555 board On On Single chip with no external bus 12 CME 0555 User Manual 03 10 05 7 1 3
23. inputs on J5 pins 8 10 12 14 16 18 20 22 24 and 26 respectfully provide a visible indication when a voltage of 3 3 to 5V or logic high is applied With J5 option installed for the Led indicators the MPC555 A_TPU channel outputs when logic high will enable the respective LED indicator Refer to CME0555 AXM0258 Schematic sheet 3 for connection diagram 18 CME 0555 User Manual 03 10 05 TROUBLESHOOTING 10 11 If trying to boot from external EPROM devices U2 and U3 be sure the following are all true a CONFIG switch 2 and 4 must be ON b MODE_SW1 switch 3 must be ON c MODE_SW2 switch 1 must be OFF d The M SEL jumper should be set to 1 csO The FLSH SEL and RAM SEL jumpers must NOT be set to 1 If trying to boot from onboard FLASH devices U15 and U16 be sure the following are all true a CONFIG switch 2 and 4 must be ON b MODE_SW1 switch 3 must be OFF c MODE_SW2 switch 1 must be OFF d The FLSH SEL jumper should be set to 1 cs0 The M SEL and RAM SEL jumpers must NOT be set to 1 BDM hardware can cause a small amount of power to be supplied to the micro while connected and thus prevent the processor from resetting properly For this reason you may need to disconnect the BDM device before applying power to the board The RESET LED should flash briefly when the PWR_ON RESET switch is pressed and released indicating a proper reset condition The BDM can then be connected to the board and should communicate pro
24. ith Power supply access 3 BDM Port Debug Development connector All I O in 1 grid to maximize use Large Prototyping and breadboardAreas 6 to 25VDC Input to 5V 3A Switching Supply and 3 3V 1 5A Power Supply Typical Operating Power 400ma 40MHz Easy configuration with Mode Switches and Option Jumpers WN Size 7 x 7 5 inch The Axiom development system provides for low cost software testing with the use of the Monitor in the on board EPROM Operation allows the user to load code in the On Board RAM or Flash Execute application and display or modify registers or memory After code is operational the user may relocate the code and reprogram the MPC555 Internal Flash EEPROM or the fixed flash for dedicated operation of new software No additional hardware or software is required to operate For high level debug extensive tools are available for the PowerPC core and the Debug Port is available to connect a background debugger CME 0555 User Manual 03 10 05 4 Getting Started See the README TXT file on the CD provided with this board for all the documentation and support files provided This section assumes that you have just received your board from the manufacturer If this is not the case then jumpers and switches may have been changed so that the board may not function as expected In this
25. l RAM starts at 0x3F9800 External RAM starts at 0x800000 as shipped with the RAM SEL jumper set to 2 The monitor program itself uses internal RAM from 0x3F9800 0x3F9FFF so if you modify anything in this area while the monitor is running it may malfunction You can also load and execute a program from memory using this utility A simple hello world program is provided for you on the CD as an example Follow these steps to load and execute it from internal RAM using the monitor program 1 At the monitor prompt gt type DL and hit lt enter gt 2 Select the send text file or upload command from your terminal program and locate the file named HELLO_R S19 included on the support CD Send this file to the board 3 When finished uploading type go 3FA004 at the prompt You should see the phrase Hello World echoed back to the screen which is all that this simple test program does each time you hit a key 4 To exit from this test program hit the RESET button on the board This example program was compiled with the Diab Data compiler The source files and scripts used are included on the support CD as follows HELLO C Main source code file SERIAL C Serial port I O and ASCII text conversion routines HELLO_R DLD Diab Linker script specifies the programs memory organization HELLO_R BAT DOS batch file used to build the program CME 0555 User Manual 03 10 05 4 3 2 Programming External Flash Memory After te
26. must be removed on J5 or possible I O port conflicts may occur J5 Option Header The J5 option header provides fixed connections to MPC555 I O ports or if the option shunt is removed access for other signals to drive the user components MPC555 I O port signals on J5 pins 1 3 5 are connected to associated User component on J5 pins 2 4 6 respectfully by option jumper shunts when the board is delivered form Axiom J5 pin 1 is located in the lower left corner of the J5 header when viewed similar to the feature drawing J5 Connections ADC VRE se 6 RSOPOT O 8 LED 1 AMIPUCHS 9 R50 Potentiometer Operation R50 fully counterclockwise will set output to J5 pin 2 value Fully clockwise will set output value to J5 pin 6 value R50 positions between fully clockwise or counterclockwise will output a value between the J5 pin 2 and 6 values With the J5 options for pin 1 6 installed a voltage of 0 to 5V will be presented to the MPC555 QADC AN55 analog input channel SW1 2 3 and 4 Operation User Switches 1 4 outputs on J5 pins 28 30 32 and 34 respectfully provide a pull up value of 5V or logic 1 while the switches are idle Depressing a switch will cause its respective output value to go to 0 volts or logic 0 With J5 option installed for the user switches the respective MPC555 B_TPU channels can be used to input the switch logic values LED Indicator 1 10 Operation User indicators LED1 10
27. or as an additional serial channel presented at COM 2 DB9P connector pin 7 7 5 3 JP7 TPUA Channel 14 to COM_1 JP7 installed allows TPUA channel 14 to be used as either the COM 1 CTS signal or as an additional serial channel presented at COM 1 DB9S connector pin 7 7 5 4 JP8 SCI2 RXD to COM_2 JP8 installed allows SCI2 RXD to be received from the COM 2 DB9P connector pin 2 7 5 5 JP9 TPUB Channel 14 to COM_2 JP9 installed allows TPUB channel 14 to be used as either the COM 2 CTS signal or as an additional serial channel presented at COM 2 DB9P connector pin 8 Outgoing RS 232 RTS handshake lines to both COM 1 and COM 2 are defaulted to active levels without associated jumper options installed This will prevent loss of communication due to an unknown level on a flow control signal COM 1 and COM 2 provide default flow control signaling returned to the host These connection on pins 1 4 and 6 can be isolated and the associated tie points can provide different signals via the DB9 connectors 17 CME 0555 User Manual 03 10 05 7 6 User LED Indicators Switches and Potentiometer User LED indicators 1 10 Test Switches SW1 4 and Potentiometer R50 are provided in the CMEO0S555 prototyping area for optional use during development Option header J5 provides fixed connections to certain I O ports of the MPC555 or access to the user components by other signals To apply other signals to the to the user components the jumper options
28. perly On CME S555 boards with a PB 0555 pigyback device make sure it is properly seated by pressing down firmly on the center of the microcontroller Be certain that your software is located at a correct address corresponding to the device you re loading it into The chip select jumpers on the board M SEL FLSH SEL and RAM SEL should be set to match the corresponding chip select registers BRO 3 ORO 3 in your software The external EPROM devices U2 and U3 are 16 bit devices and any software on them should be configure them as such For example the 32 bit version of the sample monitor program writes 0x400003 to the CSO Base address register while the 16 bit version writes 0x400803 When connecting a serial cable to the board make sure you re using a strait through serial cable such as the one provided If connecting your PC to the COM 2 port on the board you will need to use a NULL MODEM serial adapter for serial I O to work properly If you get an exception error or if your program hangs or appears to jump out into unused memory it is usually caused by trying to access un mapped or improperly configured memory addresses Look at the Memory Map page of this manual for the default memory map as set by the monitor program Memory device location and address range is all configured under your software control at run time or the BDM configuration registers if using a BDM These registers include the BRO BR3 registers as well as
29. r and move the FLSH SEL jumper to position 1 11 Re apply power to the board You should see the hello world message on your terminal screen every time you press a key 12 To return to the Utilities Menu remove power move the MODE_SW1 switch 3 back to ON move the M SEL jumper back to 1 and the FLSH SEL jumper back to 3 Reapply power and you should see the menu again Although this Hello World example is a simple program you can use the same procedure for programming your own application into external flash memory using the CME555 development board To develop more complex applications with source level debugging you will no doubt require a debugger tool An excellent choice would be a Background Debug Module BDM which is supported using the BDM PORT on this board See the Using a BDM section of this manual for more information CME 0555 User Manual 03 10 05 4 3 3 Programming the MPC555 On Chip CMFI Flash Memory You can also write your program to the MPC555 internal flash memory so that it starts whenever power is applied to the board To use this memory the starting address of your program should be 0x100 which is the MPC555 reset vector You must also initialize ALL CPU registers that you will be using since your program will be running the show from power up A version of the Hello World program which does this for you is provided on the support CD This version is called HELLO_A It uses the same HELLO C and SERIAL C
30. r display 0x0002 LCD_PORT Command Register 2 for graphic or 160 character display 0x0003 LCD_PORT Display Data Register 2 for graphic or 160 character display 0x0004 Keypad KEY_PORT key data Read Only 0x0005 Keypad KEY_PORT key data Read Only 0x0006 hot used OxFFFF 7 3 2 LCD Display CONTRAST The contrast adjustment allows a contrast Vee voltage to be presented to the LCD_PORT of 5V to 5V DC 7 3 3 LCD PORT Power Polarity Select JP10 JP10 allows selection of the display power pin polarity on the LCD_PORT Depending on the type and location of your IDC connector on the Display Module the power connections may need to be reversed Care should be used to verify proper connection and signal matching at the IDC Cable Connector and LCD_PORT 7 3 4 KEY PORT and LCD_PORT Enable JP11 JP11 when installed enables both the KEY PORT s and LCD_PORT for use on chip select CS3 Removing the jumper will disable and idle the KEY PORT s and LCD_PORT and will allow CS3 to be used for other purposes 7 3 5 KEY PORT Interrupt Enable JP12 JP12 installed provides IRQ4 to be used as a Key input interrupt service Removing JP12 disables the key input use of IRQ4 This jumper should be removed with JP11 as it is possible that Key input can still occur even though the KEY_PORT is removed from the memory map 16 CME 0555 User Manual 03 10 05 7 4 MPC555 Option Jumpers 7 4 1 Cut away Jumpers Cut away jumpers are provided for
31. sesecseusesecaeecesecseecesecaesaesecaeeaesecsesaesceseseeeaeeeeaeeaeeeees 17 7 5 2 JP6 TPUB Channel 15 to COM_2 ainiye aa E EAA NAAN EEA ENE EAN a EA A AR 17 7 5 3 JPZ TPUA Channel 14 10 COMA ai ita ets 17 7 5 4 IPS ESC RED iO COMA ri 17 7 5 5 JP9 TPUB Channel 14 to COM Dror KE EE e eE RAE ENE EA A EAER 17 7 6 USER LED INDICATORS SWITCHES AND POTENTIOMETER 0 cccccccsessssscecececeesesseaececececeesnaeeeeececeessaeeesececeesenseseeeeeess 18 TROUBLESHOOTINC 2 dada ak oc 19 CME 0555 User Manual 03 10 05 1 Cautionary Notes 1 Electrostatic Discharge ESD prevention measures should be applied whenever handling this product ESD damage is not a warranty repair item 2 Axiom Manufacturing reserves the right to make changes without further notice to any products to improve reliability function or design Axiom Manufacturing does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under patent rights or the rights of others 3 EMC Information on the CME 0555 board a When indicated this product as shipped from the factory with associated power supplies and cables has been tested and meets with requirements of CE and the FCC as a CLASS A product b This product is designed and intended for use as a development platform for hardware or software in an educational professional laboratory or as a component in a larger system c Inadom
32. source code as the RAM version with the following unique files INITC S Example Boot initialization assembly source file HELLO_A DLD Diab Linker script specifies the programs memory organization HELLO_A BAT DOS batch file used to build the program The output files produced from this build are called HELLO_A S19 and HELLO_A ELF To program the internal flash memory do the following 1 Config Switch positions 4 and 5 should both be ON If a BDM is connected to the board disconnected it Reset the board to get the Utilities menu see Getting Started for more information Select On Chip CMFI Flash Programming Set Config Switch position 6 ON to apply programming voltage Select E to erase the internal flash memory PAD NS e See oS Select H to program the Hard Reset Configuration Word Press C to confirm this The value 0x00006000 will be written which will allow this chip to boot on this board 8 Select P to program the flash Send the file named HELLO_A S19 to the board using your terminal program be sure to send in text mode if given the option This CMFI programming software also needs at least 15ms pacing delays between each line sent or optionally you can have your terminal program wait for an echo character before sending the next line since the utilities echo a character after each line is programmed 9 The programming utility will program each data word as it is received When finished
33. sting your program running out of RAM you will probably want to program it into EEPROM so that it starts whenever power is applied to the board To do this you must first change the starting address of your program to match that of the memory device being programmed This is usually done in assembly language using the ORG statement or by MAK or Project file arguments to the LINKER if using a compiler As an example a version of the hello world program is included on the support CD that has been relocated to start at address 0x400000 This will be the starting address assigned to external onboard flash memory once we move some jumpers and reset the board This version is called HELLO_F It uses the same HELLO C and SERIAL C source code as the RAM version with the following unique files INIT S Example Boot initialization assembly source file HELLO_F DLD Diab Linker script specifies the programs memory organization HELLO_F BAT DOS batch file used to build the program The output files produced from this build are called HELLO_F S19 and HELLO_F ELF Follow these steps to program the hello world example to start on power up instead of the monitor program 1 Make sure the M SEL jumper is on 1 FLSH SEL jumper is on 3 and RAM SEL jumper is on 2 This will configure the board to match the default Memory Map Make sure MODE_SW1 switch 3 is ON and press RESET if you do not see the utilities menu see Getting Start
34. vice pins so that Only One jumper is installed for each pair 1 2 3 4 5 6 7 8 for a maximum of 4 jumpers 12345678 MEM_OPT 12345678 MEM_OPT 12345678 MEM_OPT 12345678 MEM_OPT 12345678 MEM_OPT 12345678 MEM_OPT 12345678 MEM_OPT Position 1 A16 to U2 3 pin 3 Position 2 A15 to U2 3 pin 3 Position 3 A15 to U2 3 pin 31 Position 4 WEO to U2 3 pin 31 removed for write protection Position 5 A16 to U2 pin 29 Position 6 WEO to U2 pin 29 Position 7 A16 to U3 pin 29 Position 8 WEI to U3 pin 29 removed for write protection removed for write protection 32K x 8 Standard Low Power SRAM and EEPROM Jumper Options Standard device types 62256 55257 28256 Manufacturer device types KM62256 TC55257 AT28C256 and others Note Positions 6 and 8 can be removed to write protect devices 32K x 8 Standard EPROM Jumper Options Standard device type 27256 Manufacturer device types NM27C256 and others 64K x 8 Standard EPROM Jumper Options Standard device type 27512 Manufacturer device types NM27C512 and others 128K x 8 Standard Low Power SRAM and EEPROM Jumper Options Standard device types 681000 551001 28010 Manufacturer device types KM681000 TC551001 AT28C010 and others Note Positions 6 and 8 can be removed to write protect devices 256K x 8 Standard Flash EPROM Jumper Options Standard device type 29010 Manufacturer device types AM29F010 and others Note 1 Position 4 c
35. you will be returned to the programming menu NOTE if you have trouble here see the previous section Terminal Settings 10 IMPORTANT Reset the Config Switch position 6 back OFF to protect the MPC555 Flash To make your new program start on power up or reset simply move switch 1 on the MODE_SW2 bank to the ON position This will enable the internal flash memory and if you cycle power or press RESET you should see the Hello World message every time you hit a key To return to the Utilities software flip MODE_SW2 switch 1 back OFF and press RESET Following this procedure you can program any application into the MPC555 internal flash memory CME 0555 User Manual 03 10 05 4 4 Using a BDM 4 4 1 Configuring the MPC555 Registers A BDM is a real time debugger that allows you to download to and modify both internal and external memory and peripheral registers on the board from a completely user controlled state The BDM software writes to a number of MPC555 configuration registers before your application software is loaded after it resets and establishes initial communication with the board The values that these registers are set to is the source of most BDM debugging problems BDM software saves these initialization values in a configuration file The SDS software uses a file with the CFG extension under its CMD directory For this board the file name is MPC555 CFG If you make any changes to these registers under the SDS Debug win
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