Flashlite 386Ex User`s Manual v3.1
Contents
1. are optional All switches are optional They are shown as X Spaces and punctuation are to be included An ellipsis following items means that you may repeat the items as often as needed Do not enter the ellipsis or the square brackets Most XDOS commands allow the use of wildcards in filenames and extensions When wildcards one character any character or characters are used the command is executed once for each matching file Common parameters are d drive specification a letter followed by a colon e g A if no drive is specified the default drive is used path the path DOS must take in traveling from one directory to another directory names are separated by a backslash Y filename up to 8 characters used to name a file ext a three character extension may be added to a filename an extension is separated from a filename by a period CD CHDIR Function Changes the current directory Format CD or CHDIR d path COPY Function Copies a file combines two or more files into one file or transfers data between files and DOS devices Format COPY d path filename ext switches d path filename ext switches d path filename ext switches Switches IN verify the contents of new file A copy file in ASCII format B copy file in binary format DOS 19 J K micros ystems Flashlite 386Ex User s Manual DATE Function Displays or changes the current DOS date Format DATE2. XJ98 APH YSE A Flashlite 386Ex User s Manual JK microsystems Unless otherwise noted this document and the information herein disclosed are proprietary to JK microsystems Inc Any person or entity to whom this document is furnished or having possession thereof by acceptance assumes custody thereof and agrees that the document is given in confidence and will not be copied or reproduced in whole or in part to meet the purposes for which it was delivered The information in this document is subject to change without notice and should not be construed as a commitment by JK microsystems Inc JK microsystems Inc will make every effort to inform users of substantive errors JK microsystems Inc disclaims all liability for any loss or damage resulting from the use of this manual or any software described herein including without limitation contingent special or incidental liability JK microsystems Inc recognizes our customer s need for a consistent product and will make every effort to provide one In order to provide the best possible product for all of our customers we reserve the right to make incremental improvements in our product designs Flashlite is a trademark of JK microsystems Inc MS DOS is a registered trademark of Microsoft Corporation XDOS is a copyright of HBS Corporation All other brand and product names are trademarks or registered trademarks of their respective companies Flashlite 386Ex User s Manual Ve
3. 2941 CT A IRO 15 WDTOUT 77 Table 3 Hardware Interrupts The first command of interest is the Operation Control Word OCW Located at BASE 1 it is the mask byte for the interrupts in that controller Masked IRQ s have a one in the corresponding bit location enabled interrupts have a zero Be sure to only change the mask bits for IRQ s handled by your program For example to enable IRQ 4 outporth 0x21 inportb 0x21 amp OxEF The other instruction used is the End Of Interrupt EOI This instruction is sent to the appropriate PIC after an interrupt has been processed The EOI is instruction 20 hex and is sent to the BASE address of the controller for example outporthb 0x20 0x20 When servicing an interrupt on the secondary controller IRQ8 15 it is necessary to send an EOI to both controllers 16 Software Flashlite 386Ex User s Manual JK microsystems Utilities The Flashlite comes preloaded with several utilities to aid system development These utilities are located on drive A of the Flashlite or the Utilities disk UP COM This utility facilitates uploading files to the Flashlite via the console port using the X MODEM transfer protocol The utility requires the user to supply the name of the incoming file Unless otherwise specified the file is placed in the active directory of the current drive Be sure that B is the current drive or a write protect error will occur when UP tries to wr
4. Fax 510 413 5980 Email info m sys com Web http www m sys com Dunfield Development Systems Micro Basic Development Tools P O Box 31044 Nepean Ontario Canada K2B 858 Telephone 613 256 5820 Fax 613 256 5821 BBS 613 256 6289 Email info dunfield com Web http www dunfield com Rev Date Author Changes 3 1 11Feb03 wo AGG hang Roel revise table 2f 84 0011E assembly Contact Information
5. mm dd yyyy DEL ERASE Function Deletes erases one or more files from a disk Format DEL or ERASE d path filename ext DIR Function Lists directory entries Format DIR d path filename ext switches Switches a display file attributes b sort by file size in bytes d sort entries by date and time f display entries by alphabetic file name order n display entries in directory order do not sort s include system and hidden files in output h display this Help screen any invalid key MD MKDIR Function Creates a subdirectory Format MD or MKDIR d path PATH Function Specifies directories that DOS is to search when trying to locate executable files Format PATH d path d path PROMPT Function Sets the DOS system prompt Format PROMPT text Text Resulting Character s t The current time stored by DOS d The current date stored by DOS p The current directory v The version of DOS being used n The default drive g The character gt 1 The character lt b The character q The character The character _ Carriage return plus line feed 20 DOS Flashlite 386Ex User s Manual JK microsystems REN Function Format RD RMDIR Function Format TIME Function Format TYPE Function Format VER Function Format VOL Function Format Renames a file REN d path filename ext filename ext Deletes a subdi
6. EM J2 16 J2 18 J2 20 EM Ka Port B is located at I O address 61 hex and is configured as a group of either inputs or outputs The default configuration is outputs To make all bits input set bit 1 of I O address 63 hex to a one preserving the state of the other bits Note PB 1 is used to gate the PC speaker output The speaker output may not be used when PB 1 is controlled by the user program Port C I O Address 62 Hex Port C is located at I O address 62 hex and is configured as 2 groups of 4 bits each The default configuration for bits PC 0 to PC 3 is inputs To make these bits outputs set bit O of I O address 63 hex to a zero The default configuration for bits PC 4 to PC 7 is outputs To make these bits inputs set bit 3 of VO address 63 hex to a one When reconfiguring the I O status of these pins be sure to preserve the state of the other bits Port D I O address FAO2 hex Ce ka SC ECE ECE Port D is located at I O address FA02 hex and is configured as a group as either input or output The default configuration of Port D is input To configure Port D as outputs set bit 0 of I O address FA00 hex to a one Port E I O Address FAO3 Hex EAEN E EE Default IN IN IN IN Pin J7 8 J7 7 J7 6 J7 5 6 Hardware Flashlite 386Ex User s Manual JK microsystems Port E is located at I O address FAO3 hex and is configured in three groups The default configuration is input To configure PE 0 and PE 1
7. console serial port When the application is running to your satisfaction the startup batch file can be modified so that the application will load and execute upon reset or powerup Features 25MHz Intel 386Ex Processor 256k 512k Bytes SRAM Memory 512k Bytes Flash Memory High Speed PC Compatible Serial Ports 1 Full Function 8 wire RS 232 Port 1 Software Configurable as 3 wire RS 232 or RS 485 Synchronous 4 Wire Serial Port 3 PC Compatible Counter Timers Hardware Watchdog 36 Digital I O Lines 2 Enhanced DMA Channels Clock Calendar 32Pin Dip Socket to accept 512k x 8 bit SRAM 512k x 8 bit Flash or M Systems DiskOnChip 2000 High Efficiency Switching Power Supply 7 34V DC Input Full Address Data Expansion Bus Overview 1 J K micros ystems Flashlite 386Ex User s Manual Operation The Flashlite 386Ex is configured with two disk drives A and B Drive A contains the operating system the BIOS and utility programs essential to the operation of the Flashlite Drive A is read only Drive B is read write and contains optional utility programs and is available for user files and applications The serial port commonly known as COM2 on the PC is the console for the Flashlite The port is configured for 9600 baud 8 data bits 1 stop bit and no parity This is the primary mode of communicating with the Flashlite DOS and the BIOS treat the console port as the logical devices STDIN and STDOUT The second port is addressed and
8. AK and the edits are saved If a backup file with the same name already exists it is overwritten A list of commands and their usage is available by entering h at the edit prompt gt gt The name of the file to edit must be supplied following the command EDIT on the command line B gt edit test bat FlashLite Line Editor v1 0 Enter h for help New File test bat gt gt 0 echo Batch file being processed 1 mytsr 2 myapp Sey AZ Pl 0 echo Batch file being processed 1 mytsr gt 2 myapp a Save before exit Y n y File Saved B gt 18 Utilities Flashlite 386Ex User s Manual JK microsystems DOS JK microsystems controllers use XDOS a compact operating system for embedded applications The XDOS command structure is nearly identical to MS PC DOS version 3 3 The switches for the DIR command have been changed and expanded XDOS does not support redirected input or output with the use of lt and gt but does support pipes None of the external DOS commands are provided due to storage constraints XDOS does not support installable file system functions XDOS Command Reference In the list below XDOS commands are followed by a function description and their format including available parameters and switches Items in boldface type must be entered Capitals or lowercase letters may be used Items in italics are parameters Those in boldface italics must be entered those in
9. OM EE 17 EORMARCOVME ta AN 18 EDITCOM aaa a a na a o boe los co EA e ld 18 DOS ds 19 XDOS Command ET 19 QuekBASIC Console VO EE 22 Specifications A E A EN a D ae ee Nee TAR E a a a a ag Kn 23 Contact Information saa Ng aaa a o oie OS 25 Table of Contents 111 J K micros ystems Flashlite 386Ex User s Manual Flashlite 386Ex User s Manual JK microsystems Overview The Flashlite 386Ex single board computer is based on the Intel 386Ex microcomputer The 386Ex is a high performance 32 bit single chip microcomputer that is software compatible with the Intel 80386 family of microprocessors DOS compatibility allows development in a familiar environment with a wide range of tools High endurance flash memory eliminates EPROM programming without worry of damaging the onboard non volatile memory with repeated program cycles Applications are uploaded directly into the flash disk Expansion options provide high capacity flash storage eliminating the size and reliability problems associated with electro mechanical storage devices Software development for the Flashlite is remarkably simple and quick Programs are written on a PC compatible computer in the language of your choice After your application has been compiled or assembled and linked into EXE or COM form it is uploaded to the Flashlite s flash disk with your favorite telecommunications program using the X Modem protocol The application can then be tested and debugged through the
10. Port STROBE Els AUTO Table 2h Port F Pinout gt EEC D6 N C D5 SLCT IN D4 GND D3 GND J8 JTAG D2 GND RD TAPIN Di GND WR TAPOUT DO PULLUP3 TAPCLK ACK CS1 TAPMODE BUSI CS0 RESET E UCS GND SLCT Table 2 JTAG Pinout Table 21 Host Parallel Pinout Hardware 13 JK microsystems Flashlite 386Ex User s Manual COM1 is configured as a DTE port and is generally used to communicate with a peripheral device COM2 is configured as a DCE port generally being used to connect the Flashlite to another computer A 10 pin dual row header to 9 pin to D type connector may be required to connect the Flashlite to a peripheral or computer See the tables below for connector pinouts 60 noon 1 6 osm DTR out GND Table 2k COM1 Pinout J9 GND MREQ 5 6 D7 MSTB 7 8 D6 IOSTB 9 10 DS RW 11 12 D4 REFRQ 13 14 D3 RESET 15 16 D2 IORD 17 18 D1 IO WR 19 20 DO A9 21 22 A19 A8 23 24 A18 AT 25 26 A17 A6 27 28 A16 AS 29 30 AlS A4 31 32 A14 A3 33 34 A13 A2 35 36 A12 Al 37 38 All AO 39 40 10 Table 2m Processor Bus Pinout 14 J11 H wom rma we Dr wo gt bole Table 21 COM2 Console Pinout J13 Extended Bus GND IRQ9 LBA D15 BS8 D14 10 D13
11. W R D12 D C D11 ADS D10 IRQ 3 5 D9 IRQ 4 6 17 18 D8 Table 2n Extended Bus Pinout Hardware Flashlite 386Ex User s Manual JK microsystems Software Supported PC BIOS Functions The Flashlite BIOS supports the following functions software interrupts common to PC compatible computers Please refer to a DOS PC reference for more information on DOS and BIOS software interrupts Int 10h Video Driver Functions 9 and Eh Int 11h Get Equipment Configuration Int 12h Get Memory Size Int 13h Disk Driver Functions 0 4 Int 14h Serial Port Driver Functions 0 3 Int 16h Keyboard Driver Functions 0 and 1 Int 19h Boot System Int 1Ch Hook Timer Tick Interrupt IRQO Int 8 Timer Tick Interrupt Interrupts Working with interrupts within the PC architecture can be a bit confusing The following information should clarify some of the issues but it is not a substitute for a detailed DOS PC programming reference The PC architecture has a 1 Kbyte Interrupt Vector Table located at 0000 0000 This table holds the 4byte address of each Interrupt Service Routine ISR providing a total of 256 interrupts Most of the interrupts are software interrupts Software interrupts provide essential services in a known location Hardware interrupt requests have an associated interrupt number and ISR in the vector table Refer to a DOS PC reference for more information on software interrupts The numbering of hardware interrupt
12. ands B gt TIM B gt DATI 13 30 00 Sets the time to 1 30 pm 11 19 99 Sets the date to November 19 1999 F E ry E When power is applied to the Flashlite one of the first things the BIOS initialization code does is check for a CNTL C character typed at the console If this character is typed as soon as the board is powered up or reset a flag is set which overrides the quiet state of the console discussed below When DOS runs its AUTOEXEC BAT file on drive A the state of the CNTL C flag is also checked and any user application set to run on drive B is not loaded This insures that a hung application or quiet console can always be interrupted If the CNTL C flag is not set the AUTOEXEC file will attempt to transfer control to a file named STARTUP on drive B DOS also looks for and if present loads CONFIG SYS from drive B The Flashlite console output and input can be controlled using the QUIET and NOQUIET commands This is useful for applications where both serial ports must talk to hardware devices without disturbance from console messages Running QUIET will turn off both input and output on the console port allowing applications to use it as COM2 Pressing CNTL C immediately after reset or powerup will restore the console until the next reboot Running NOQUIET will restore the default setting of an active console QUIET modifies a byte in the BIOS Flash data area and will take effect after the board is re
13. arest integer value When access to the divisor value is no longer required clear the DLA bit RS 485 Configuration The COM2 port of the Flashlite can be configured and used for RS 485 communications In order to avoid conflicts with DOS and the BIOS it is first necessary to move the console to COM1 This is done using the utility program CON2COM1 Please note that COM1 J6 is pinned out as DTE and you must use a null modem cable to connect it to a PC serial port To enable RS 485 operation and disable RS 232 on COM2 clear bit 6 of I O port F872 hex define EN485_MASK OxBF define EN485_REG 0xF872 outportb EN485_REG inportb EN485_REG amp EN485_MASK change to RS 485 Bit 0 of the PINCFG register must be set to allow control of the RS 485 transmit enable pin The PINCFG register is located at I O port F826 hex define PINCFG 0xF826 outportb PINCFG inportb PINCFG 0x01 connect TE to chip pkg The RTS line on COM2 is used to control the RS 485 transmitter To transmit RS 485 data set bit 1 of I O port 2FC hex mirrored at F8FC hex To receive RS 485 data clear bit 1 Note that the state of the chip pin is the inverse of the bit in the register register 1 pin 0 define TX_MASK 0x02 define TX_MASK_REG OxF8FC outportb TX_MASK_REG inportb TX_MASK_REG TX_MASK enable tx outportb TX_MASK_REG inportb TX_MASK_REG TX_MASK disable tx Two utili
14. as output set bit 1 of I O address FA00 to a one To configure PE 2 as an output set bit 2 of I O address FAO00 to a one To configure PE 3 as an output set bit 3 of I O address FADO to a one In each case be sure to preserve the other bit settings Port F I O Address F860 and F862 Hex Bit 7 6 5 Name PF 7 PF 6 PF 5 ooa fw A AC The data on Port F can be read by inputting I O address F860 hex The default configuration is input Each bit of Port F can be individually configured for input or output To configure a bit for output write a zero in that bit position to I O address F864 hex To output data on Port F write the data to address F862 hex PIPIN F860h Port Pin Status Register read only bits 4 7 PILTC F862h Port Latch Register bits 4 7 PIDIR F864h Port Direction Register bits 4 7 O for output 1 for input or open drain output PICFG F820h Port Configuration Register bits 4 7 low route P1 4 P1 7 to chip pins BIOS Default Port G I O Address F870 and F872 Hex Name Ea ea EEN NEH Ea EJ Ena al ea Ke pew pe a ela The data on Port 3 can be read from I O address F870 hex The default pin direction is shown above Each bit of Port 3 can be individually configured as an input or output To configure a bit as an output write a zero to that bit position in I O address F874 hex To output data on Port 3 write the data to I O address F872 hex When used as inputs thes
15. assigned interrupt vectors the same as COM1 ona PC When power is applied to the Flashlite or when it is reset the board goes through its initialization procedure and then starts DOS A simple AUTOEXEC BAT file is executed and then the board is ready to use The batch file performs several functions before the user is given control The DOS search path is set the DOS prompt is set the CNTL C flag discussed later in this manual is checked and finally an attempt is made to execute a file named STARTUP on the B drive This provides a convenient way for custom applications to execute immediately after initialization of the Flashlite If you wish to have your application start automatically create a batch file named STARTUP BAT that invokes the program It is possible but not recommended to rename your application STARTUP EXE or STARTUP COM If this is done and the program locks up typing CNTL C at bootup may not break the program and exit to the DOS prompt cycles it is possible for an application to quickly wear them out The flash memory is intended to store programs and setup data which are normally not changed Avoid storing O data or frequently changed information on the flash disk y Although the flash memory devices used have a guaranteed lifetime of over 10 000 write 2 Operation Flashlite 386Ex User s Manual JK microsystems Getting Started To begin development with the Flashlite you will need a PC compatible comput
16. at http www jkmicro com Digital I O Ports The Flashlite has six I O ports controlling a total of 36 bits of I O The ports are configured in groups as described below Signals on Ports A B and C are generated by an 82C55 general purpose programmable I O device A word of caution any time the 82C55 control register is written to any output bit that is in the ON state will be turned OFF This is a feature of the silicon aimed at protecting outputs from driving unknown loads that could possibly damage the chip Ports D and E are generated by a programmable logic chip Ports F and G are I O pins on the 386Ex processor NOTE Be careful to change only the required bits when working with the I O ports Some pins are used to control other on board functions that can be reprogrammed or disabled through these configuration registers Refer to the chip datasheets for more information on configuring these ports Port A I O Address 60 Hex Bit 7 6 5 4 3 2 1 0 Name PA 7 PA 6 PA 5 PA 4 PA 3 PA 2 PA 1 PA O J2 11 J2 13 J2 15 J2 17 J2 19 J2 21 J2 23 J2 25 Port A is located at I O address 60 hex and is configured as a group as either inputs or outputs The default configuration is inputs To make all bits output set bit 4 of I O address 63 hex to a zero preserving the state of the other bits Hardware 5 J K micros ystems Flashlite 386Ex User s Manual Port B I O Address 61 Hex PB 7 Ea PB 5 PB 4 PB 3 PB 2 PB 1 loa EE J2 12
17. d 2 should be shorted Default position Open Hardware Watchdog disabled JP3 Watchdog Non Maskable Interrupt NMI Enable This jumper connects the 386Ex watchdog signal to the processor NMI If the watchdog is required JP1 pins and 2 should be shorted Default position 2 3 Watchdog NMI disabled JP4 Not Used This jumper is not used Default position Open no jumper fitted JP5 Power Fail Detect This jumper connects the power fail detection circuitry to Port B pin 3 When this jumper is installed Port B pin 3 will be driven high when the raw DC input voltage to the board is less than 8 volts Default position Open no jumper fitted JP6 JP12 Boot Location These jumpers allows the board to boot from the expansion socket This is useful when performing field updates of the on board Flash memory or when using an operating system other than DOS Short JP6 pins 1 2 and JP12 pins 2 3 to boot from the on board memory or jumper JP6 pins 2 3 and JP12 pins 1 2 to boot from the expansion socket Default position JP6 pins 1 2 and JP12 pins 2 3 Boot from on board flash JP7 PLC Bus Vcc This jumper connects Vcc to the PLC Bus J14 connector when installed Default position 1 2 Vcc available on PLC Bus J14 JP8 SRAM Power Select This jumper allows the SRAM contents to be maintained by the on board battery when power fails Jumper pins 1 2 for battery backup pins 2 3 for Vcc power Default position 2 3 SRAM does
18. e pins can also be configured to generate processor interrupts P3PIN F870h Port Pin Status Register read only bits 0 5 P3LTC F872h Port Latch Register bits 0 5 P3DIR F874h Port Direction Register bits 0 5 O for output 1 for input or open drain output P3CFG F824h Port Configuration Register bits 0 5 low route P3 0 P3 5 to chip pins Hardware 7 J K micros ystems Flashlite 386Ex User s Manual Asynchronous Serial COM Ports The Flashlite has 2 serial ports COM1 and COM2 Both ports are internal to the 386Ex and are compatible with the UARTs on a PC and the National Semiconductor 16C450 UART The maximum data rate is 115k Baud COM is wired as Data Terminal Equipment DTE for connection to a peripheral such as a modem This is a full function RS 232 port implementing all of the handshaking and control lines with the exception of the Ring Indicator input See Table 2k for the connector wiring The UART base address is at I O location 3F8h and can be configured to use IRQ 4 COM2 is the default console and is wired as Data Communications Equipment DCE for direct connection to a computer or terminal This port is software configurable as a 3 wire RS 232 port implementing RxD and TxD or as a half duplex RS 485 port See Table 21 for the connector wiring The UART base address is at 1 O location 2F8h and can be configured to use IRQ 3 The following table shows the UART configuration and control registers P
19. er with a telecommunications program and a free serial port Connect the Flashlite s connector J11 to the PC s serial port with a 9 pin ribbon cable PN 86 0000 Run the telecommunications program and configure the serial port for 9600 baud 8 data bits 1 stop bit and no parity Hardware and Software Handshaking are not required Apply power to the Flashlite using our A C adapter PN 88 0005 or a source of unregulated DC between 7 and 34 volts capable of supplying 2 Watts J1 pin 1 or J4 pin 1 square pad on bottom of board is positive The Flashlite should respond with a welcome message and a B prompt Enter DIR to look at the directory of drive B If you do not get a welcome message or characters that you type do not echo you need to check your serial port setup To test everything but the Flashlite remove the serial cable from J11 and jumper pins 3 and 5 with a wire or paper clip If characters typed on the keyboard are not echoed on the screen the problem is with your setup You must resolve the problem before you can continue If you were able to do a DIR take a few minutes to explore the contents of the Flashlite s file system You will find all of the essential utilities on drive A and some optional programs on drive B Drive A is write protected and cannot be altered Drive B is read write and can be changed or reformatted After you have looked at the programs on the Flashlite the next step is to try to upload a
20. file This is the procedure for getting a file from your PC to the Flashlite On the Flashlite type the command UP followed by the name of the file you wish to upload The Flashlite will begin sending characters to your PC polling it for the file On your PC start the transfer usually by pressing the PgUp key The telecomm program should respond by requesting the file name and protocol Enter the file name and select X Modem for the protocol The transfer should start and when it is complete you should get a new B prompt on the screen If the transfer does not work the problem is most likely the Carrier Detect signal pin 1 on the DB 9 connector into the PC being sensed as low or false Make sure that the signal is at least 3 volts into your PC if you are not able to transfer files If the transfer terminated without problems you have a working development environment for the Flashlite controller At this point you may wish to download the files EDIT COM and BASIC COM from the Flashlite to your PC Start the download on the Flashlite by typing DOWN BASIC COM and pressing Enter On your PC begin the transfer usually by pressing PgDn After the file is transferred repeat the process with EDIT COM These files are also found on the JK microsystems web site Getting Started 3 J K micros ystems Flashlite 386Ex User s Manual The Flashlite has a hardware clock calendar Time and date can be set with the following comm
21. ible on the bottom of the PCB Pin one will also be identified on the board silkscreen with a 1 and or a dot Dual row headers have ODD numbered pins on one side and EVEN numbered pins on the other The dual row header numbering scheme follows the numbering of an IDC style ribbon cable This numbering may not be identical to connectors with discrete wires Use caution when connecting cables to the Flashlite J4 Power GND 3 Table 2b Power Pinout 4 Table 2d RS 485 Pinout Table 2c Speaker Pinout 12 Hardware Flashlite 386Ex User s Manual JK microsystems J2 Port A amp B J14 Port C PLC Bus GND GND 1 2 vec GND Nic 3 apem GND s 6 srxcrk PC 7 STB 5 6 GND anp 7 8 srxcrxr pesan 7 e on SSIORX 9 10 sstorx PC 5 A2 9 10 GND PA 7 PC 4 Al 11 12 GND PA 6 PD 2 D6 13 14 PD 3 D7 PA 5 PD 0 D4 15 16 PD 1 D5 PA 4 PC 2 D2 17 18 PC 3 D3 PA 3 PB 3 PC 0 DO 19 20 PC 1 D1 PA 2 21 22 PB 2 PE2 WR 21 22 PE 3 LCD PA 1 23 24 PB 1 PE 1 RD 23 24 PE 0 AO PA O 25 26 PB O vcc 25 26 GND Table 2e Port A amp B Pinout Table 2f Port C Pinout J7 Port D amp E PD 0 1 2 PD 1 PD 2 3 4 PD3 PE O 5 6 PEA PE 2 7 8 PE3 GND 9 10 vcc Table 2g Port D amp E Pinout J10 Host Parallel
22. in len linein 1 GOTO linemore getchar PRINT 1 aS linein linein a GOTO linemore linedone PRINT 1 RETURN 22 QuickB ASIC PowerBASIC Console I O Flashlite 386Ex User s Manual Specifications Supply Voltage Supply Power Supply Current Operating Temperature Humidity JK microsystems 7 34 V DC unregulated 1 8 Watts nominal 260mA 7 Volts input 150mA 12 Volts input 75mA 24 Volts input 20 to 85 C 5 90 non condensing I O Port A B amp C Characteristics Symbol vV IL Va Vo Von Parameter Input Low Input High Output Low Output High MIN 2 0 3 0 T O Port D amp E Characteristics Symbol Parameter K Input Low K Input High Vo Output Low Von Output High T O Port F Characteristics Symbol Parameter K Input Low K Input High Vo Output Low Von Output High Mating Connectors Connector Mfg J6 J7 J11 Molex Oupiin J2 J10 J14 Molex Oupiin Pins Molex Oupiin Jl J5 Molex J12 Molex Pins Molex Mechanical Dimensions Weight MIN 0 5 2 0 2 4 MIN 2 0 Vec 0 5 MAX Units 0 8 0 4 lt lt lt lt MAX G D Le Vec 0 5 0 45 lt lt lt lt MAX Units Vec 0 3 V 0 45 Vv MFG P N 22 55 2101 4072 2X05H 22 55 2261 4072 2X13H 16 02 0096 404 PIN 10K 22 01 2031 22 01 2081 08 50 0114 2 90z 82 2 gm Condition I 2 5mA 1 2 5mA Conditio
23. ite to the read only A drive B gt up Upload file with X MODEM Protocol Usage up file Version 2 0 for JK microsystems Flashlite V25 and 386Ex B gt up test exe Ready start X modem upload now Press CNTL C to abort ECCE B gt DOWN COM This utility facilitates downloading files from the Flashlite via the console port using the X MODEM transfer protocol The utility requires the user to supply the name of the file to transmit B X gt down Download file with X MODEM Protocol Usage down file Version 1 0 for JK microsystems SBC products B gt down test exe Ready start X modem download now B gt Utilities 17 J K micros ystems Flashlite 386Ex User s Manual FORMAT COM If it becomes necessary to reformat the B drive FORMAT provides this function CAUTION all information on the drive will be lost during the formatting process B gt format Flashlite FLASH Drive Format Program Version 3 0 System will reboot after successful format Press 1 to initialize Drive B as 418 KB disk Press ESC to exit with no changes gt 1 Flash Drive is now formatted Rebooting system EDIT COM A simple line editor is included to allow quick creation and modification of batch files or other text files EDIT is similar to Microsoft s EDLIN provided in earlier versions of MS DOS It allows list insert delete and modify Upon exit a backup of the original file is created filename B
24. lease refer to the Intel 386Ex data sheet for more information on the serial ports and their configuration QA AAA A ET ae EA Base Receive Transmit Holding Register Divisor Latch Low DATA Data In Data Out Base 1 Interrupt Enable Register IER Modem Receive Line Transmit Receive Status Status Buffer Empty Buffer Full Base 2 Interrupt Identification Register Divisor Latch High IIR Reserved Reserved Reserved Reserved Reserved Interrupt Source 00 Modem Status i 01 Transmit Buffer Empty 0 Pending 10 Receive Buffer Full 11 Receiver Line Status Base 3 Line Control Register LCR Send Break Parity Word Length 000 None 001 Odd 011 Even 00 5 01 6 101 Mark 111 Space 10 7 11 8 Base 4 Modem Control Register MCR Loop Back Ext Int Outl RTS DTR Test Enable Base 5 Line Status Register LSR Reserved Transmit Transmit Break Framing Parity Error Overrun Receive Register Buffer Empty Interrupt Error Error Buffer Full Empty Base 6 Modem Status Register MSR DCD RI DSR CTS D D D D DCD RI DSR CTS Table 1 UART Registers 8 Hardware Flashlite 386Ex User s Manual JK microsystems The DATA and IER registers also hold the baud rate divisor When the high bit of the LCR DLA is set the divisor value can be written to DATA and IER DATA contains the low byte and TER contains the high byte To determine the required divisor divide 115200 by the required baud rate Program the divisor with the ne
25. n Condition 4 20 x 3 60 106 7 mm x 94 1 mm Specifications JK micro P N 28 0030 28 0031 28 0033 28 0012 28 0037 28 0013 23 Flashlite 386Ex User s Manual JK microsystems O a LI Geig Car par E 3 10SND9 o d o o oll o ajo U H 09 o ae mo o o a A oo a 2 re E 0 d p B Kal d a o gt oa q 3 D oo g P S yn D O S S oo a i Ge E or de be A L E ei 29 ay 1300 E r ee 0 AA NDD ds Bl ST 20000 vrvo 810 EN 89 0 Specifications 24 Flashlite 386Ex User s Manual JK microsystems Contact Information JK microsystems Inc Davis CA 95616 Telephone 530 297 6073 Fax 530 297 6074 Email jkmicro Ojkmicro com Web http www jkmicro com Intel Corporation 2200 Mission College Blvd P O Box 58119 Santa Clara CA 95052 Telephone 800 548 4725 708 296 9333 Fax 800 525 3019 BBS 503 264 7999 Web http www intel com M Systems DiskOnChip 2000 39899 Balentine Drive Suite 335 Newark CA 94560 Telephone 510 413 5950
26. not have battery backup JP9 Socket Memory Type These jumpers configure the memory type to be used in the expansion socket Jumper pins 1 2 and 3 4 when using Flash or DiskOnChip jumper 2 3 and 4 5 when using SRAM Default position 1 2 and 3 4 Flash installed in expansion socket Hardware 11 J K micros ystems Flashlite 386Ex User s Manual JP10 Bus IRQ 3 5 Select This jumper selects which IRQ is available on J13 pin 15 Jumper pins 1 2 to select IRQ5 jumper pins 2 3 to select IRQ3 Default position 1 2 IRQ5 on Extended Bus JPII Bus IRQ 4 6 Select This jumper selects which IRQ is available on J13 pin 17 Jumper pins 1 2 to select IRQ6 jumper pins 2 3 to select IRQ4 Default position 1 2 IRQ6 on Extended Bus JP13 PLC Bus Power This jumper allows unregulated input power to be routed to the PLC Bus J14 pin 4 Install this jumper to route power to the bus Default position Open Raw power not connected to PLC Bus Cables and Connectors The following tables show the connector pin and signal name for each pin For some pins the signal direction is also shown NOTE N C indicates no connection and PULLUP indicates a 1k ohm pullup resistor to Vcc Outputs refer to signals driven by the board and received by a peripheral Inputs are driven by a peripheral and received by the board Pin 1 of a connector can be identified in several ways Pin one has a square PCB pad and the others are round This should be vis
27. og timer system has three modes General Purpose Software and Bus Monitor In General Purpose mode the counter can only be reloaded after it times out This makes it difficult to use for system protection The Software mode allows the countdown register to be reloaded before it times out This allows protection against locked up software The Bus Monitor mode is not applicable to the Flashlite hardware To enable the watchdog in Software mode use the following sequence 1 Write the upper byte of the reload value to the WDTRLDH register F4C0h 2 Write the lower byte of the reload value to the WDTRLDL register F4C2h 3 Write two sequential words FO1Eh followed by OFE1h to the WDTCLR register F4C8h Software will periodically repeat this sequence to refresh the counter and prevent it from generating an interrupt The current value of the counter can be read from WDTCNTH and WDCNTL at F4C4h and F4C6h Once enabled in Software mode the timer can not be disabled The watchdog is active on power up defaults to general purpose mode and the counter has an initial value of 3FFFFF hex The counter can be disabled by setting bit zero of the WDTEN register at FACAh The Watchdog output is normally disabled by jumper JP3 If the watchdog is required JP1 pins 1 and 2 should be shorted Please refer to the Intel 3836EX Embedded Microprocessor User s Manual for more information DiskOnChip M Systems DiskOnChip is a new generation of high perfo
28. pment in hazardous environments requiring fail safe performance such as in the operation of nuclear facilities aircraft navigation or communication systems air traffic control direct life support machines or weapons systems in which the failure of our hardware or software could lead directly to death personal injury or severe physical or environmental damage ii Limited Warranty Flashlite 386Ex User s Manual JK microsystems Table of Contents O 11 Table EE 111 OREA 1 Ee 1 ue 2 G tting Started geed 3 a AUS sca ss ca EN 5 Memory CONTA A et pate ar de A A Tae aaa vise Gee Ee eee ee 5 W O Cont euranon ss asang Gadah A a alas 5 Digital OPA ec ce pe eae eee NG Ga A a ies he Be des 5 Asynchronous Serial COM Pons Ais nied een na gee een E E A ee cade 8 RS 455 Conte uranic A A eee eden GE oes A a NA alae 9 Watchdog e a aana ag wate A a Gee edna aan 9 MTS ID ING TAGS a e Ge ce GG ais tee oe Tie ead eS a a a vn NS GN a Ajaa nage 10 TAPA a a a a a agak 11 JE Not US 11 JP2 Hardware Watchdog E EE 11 JP3 Watchdog Non Maskable Interrupt NMI Enable A 11 JPA s NOt U sedano E N a EE E E EA 11 MEN SA EEN 11 JPOP 12 Boot LA tad 11 JP PEC BUS VOC cS ease sey he Eege 11 JPS SRAM PONES GE E 11 JP Socket Memory TYPE A A en Sa a aaa 11 JPIG Bus RO EE EE 12 JPII Bus TRO ALG Selo ea aa AIR E aaa de ege 12 APU PIE KEE 12 a A A OS 12 EE eege 15 supported PE BIOS Func le E 15 ES A deeg 15 A A a 17 UP GEOM Sd o Side ads 17 DOWN C
29. rectory RD or RMDIR d path Displays or changes the current DOS time TIME h mm ss xx Display the contents of a file TYPE d path filenamel ext Displays the DOS version number VER Displays the volume label of specified drive VOL d DOS 21 J K micros ystems Flashlite 386Ex User s Manual QuickBASIC Console I O Some of the code produced by Microsoft QuickBASIC and QuickBASIC Professional compilers does not execute properly on the Flashlite In the case of console I O we believe that QuickBASIC is generating code for specific hardware and software not present on the Flashlite controller There are two problems with console I O The first is that a PRINT statement will not send output to the console port To output text to the console open cons as a file and print to it OPEN o 1 cons PRINT 1 This is a test of Console output The second problem is that an INPUT statement will not echo data entered by the user To work around this problem use the line input function listed below rem linein returns the echoed string of text linein from rem the console rem If you need the text in the form of a number use rem VAL linein to convert the string to a number linein linein linemore a INKEYS IF aS THEN GOTO linemore IF a CHR 13 THEN GOTO linedone IF aS lt gt CHR 8 THEN GOTO getchar PRINT 1 CHRS 8 CHRS 32 CHRS 8 lineinS left line
30. rmance single chip Flash Disk The DiskOnChip has become the standard Flash Disk module for Embedded Single Board Computers The DiskOnChip MD2000 is a Flash Disk in a standard 32 pin DIP package that has built in TrueFFS True Flash File System technology allowing full read write disk emulation TrueFFS provides hard disk compatibility at both the sector and file level Drives larger than 32Mbytes will require partitioning for use with XDOS DiskOnChip expansion is only supported on the Flashlite with 512K RAM 512K Flash Install the DiskOnChip module in the memory expansion socket U1 Note the location of pin 1 Set the memory type jumper JP9 for Flash memory If the DiskOnChip is installed and functioning there will be an installation message that is displayed during the boot process and a C drive will be available to DOS Bios Version 3 2g for Flashlite 386Ex with 256k or 512k Ram DOC Socket Services Version 0 2 C Copyright 1992 1996 M Systems Ltd TrueFFS BIOS Version 3 3 7 for DiskOnChip 2000 V1 10 Copyright C M Systems 1992 1998 DOS Version 3 3c for JK microsystems Flashlite C HBS Corp and JK microsystems 1991 1999 B gt 10 Hardware Flashlite 386Ex User s Manual JK microsystems Jumpers JP1 Not Used This jumper jumper is not used Default position Open no jumper fitted JP2 Hardware Watchdog Enable This jumper enables the Hardware Watchdog If the Hardware Watchdog is required JP2 pins 1 an
31. rsion 3 1 Copyright O JK microsystems Inc All rights reserved Printed in U S A Document Part No 94 0004 Published February 2003 J K micros ystems Flashlite 386Ex User s Manual Limited Warranty JK microsystems Inc warrants each Flashlite 386Ex to be free from defects in material and workmanship for a period of 90 days from the date of purchase This warranty shall not apply to any unit which has been subject to misuse neglect accident or abnormal conditions of operation JK microsystems obligation under this warranty is limited to repairing or replacing at JK microsystems option any unit returned to the factory within 90 days of the date of purchase provided that JK microsystems determines that the unit is defective and has been used in compliance with the terms of this warranty If the failure has been caused by misuse neglect accident or abnormal conditions of operation repairs will be billed at a nominal cost The foregoing warranty is exclusive and in lieu of all other warranties expressed or implied including but not limited to any warranty of merchantability or fitness for any particular purpose JK microsystems shall not be liable for any special incidental or consequential damages whether in contract tort or otherwise Important Notice Life Support Mission Critical Applications This product is not fault tolerant and is not designed manufactured or intended for use or resale as on line control equi
32. s is the largest point of confusion when working with interrupts on the Flashlite The 386Ex processor interrupt pins are referred to as INTx in the Intel documentation PC programmers are familiar with IRQ Interrupt Request numbers and the interrupt numbers also referred to as INT numbers The correlation of all these numbers is critical when using interrupts The table below identifies the IRQ 386Ex INT number function on a standard PC function on the 386Ex and the interrupt number You will notice a large gap in interrupt numbers between IRQ7 and IRQ8 This is due to the implementation of two cascaded interrupt controllers and the PC legacy IRQO 7 are on the first controller found in the original PC XT IRQ8 15 are on the second controller implemented in the PC AT IRQ2 notifies the system when an IRQ is triggered on the secondary controller Table entries without a 386Ex INT listed are not available on the package pins of the 386Ex Each Programmable Interrupt Controller PIC has several control registers and commands most of which are configured by the BIOS and should not require modification in most applications The primary PIC is located at I O address 20 hex and the secondary controller is at I O address AO hex Software 15 J K micros ystems Flashlite 386Ex User s Manual me Seil E x 0 E IRQ7 Parallel Port OF IRQ8 Real Time Clock 70 IRQ redirected 71 TCU OUT 72 TCU OUT2 73 Tmo ww 199 Yd man mgecc
33. set If you need to toggle the state of the console while an application is running a one can be written to the byte at 40 8B BIOS RAM Data to disable the console or a zero can be written to enable the console Changes to the quiet flag stored in RAM will not change the state of the flag in Flash and may not be valid after a reset A Flashlite in quiet mode may appear to be non functional When troubleshooting a system always try pressing CNTL C while applying power 4 Getting Started Flashlite 386Ex User s Manual JK microsystems Hardware Memory Configuration The 386Ex processor is initially configured in real mode with a physical address space of 1 megabyte The SRAM is located between 00000h and 7FFFFh the flash is between 80000h and FFFFFh A 32 pin DIP socket is provided for additional flash RAM or EPROM data This memory can be accessed by reprogramming the chip select unit in the 386Ex or by entering protected mode I O Configuration The 386Ex is configured for enhanced DOS mode This mode provides access to the PC AT peripherals such as UARTs counter timers and the interrupt controller at their traditional I O port addresses Other 386Ex peripherals are accessible in expanded I O space For addressing and programming the peripherals specific to the 386Ex please refer to the Intel 386Ex Embedded Microprocessor User s Manual Intel document number 272485 002 The manual is available in PDF format from our web site
34. ty programs are available to aid RS 485 development 485RX accepts RS 485 data and displays it on the console 485TX accepts console data and sends it out the RS 485 port The console must be switched to COM1 when using the utilities These programs are installed on drive A Watchdog Circuitry The Flashlite has two Watchdog protection features The Hardware Watchdog is part of the reset control chip and the Watchdog Timer is a feature of the 386Ex processor chip The Hardware Watchdog requires that software write to a specific I O port before its timer expires If the timer expires a system wide reset is issued and the board will restart This is the preferred watchdog due to its ability to generate a hardware reset JP2 must be installed to enable the Hardware Watchdog The BIOS will reset the Hardware Watchdog for approximately 5 seconds after power up giving the user application enough time to load The user application must write a OC hex to I O location FF04 hex at least once every 1 6 seconds Hardware 9 J K micros ystems Flashlite 386Ex User s Manual The Watchdog Timer is a counter that decrements once per processor clock cycle When the counter reaches zero the WDTOUT pin is asserted for 8 processor clock cycles This signal can be internally routed to IR7 or externally jumpered to generate a Non Maskable Interrupt NMD Software should periodically reload the counter register indicating that it is behaving properly The watchd
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