TS-2100 Manual - Technologic Systems
Contents
1. Pin 3 is a Digital output that drives the TS 2100 LED Pins 5 8 9 and DCD2 6 5 P12 10 are 386EX programmable I O lines Pin 6 is a fixed input that can JP2 4 3 Buffered LED be read inverted polarity at the COM2 Status Reg I O location JP1 2 1 GND 2FEh bit 7 Pin 12 is the signal that enables the RS 485 Transmit Figure 3 JP Header Pinout driver If the RS 485 option is not installed this pin can be read as input at I O location 77h bit O If RS 485 option is not installed pin 11 is an output that is determined by writing to I O location 76 bit O Pin 12 is the 386EX Timer2 output that can be programmed to generate periodic waveforms For further information on configuration and use of these pins please see Appendix E 7 Real Time Clock The Dallas Semiconductor DS12887 is used for the PC compatible battery backed real time clock It is a completely self contained module that includes a Motorola 146818 compatible clock chip the 32 768 kHz crystal the lithium battery and 114 bytes of battery backed CMOS RAM It is guaranteed to maintain clock operation for a minimum of 10 years in the absence of power It is located at the standard PC I O addresses of Hex 070 and 071 The top 32 bytes index 60h through 7Fh are not used by the BIOS and are available for user applications 8 Watchdog Timer The Intel 386EX contains a 32 bit watchdog timer WDT unit that can be used in two different modes to effect a w2. G command to GO or continue on with the rest of initialization e From DOS ROM by typing INT3 at the command prompt If the full command com interpreter is running this is an internal command If only mini command com is running this will execute a small utility that simply contains an INT 3 instruction e From the BIOS Setup main menu started by typing ctrl C during the BIOS POST the ENTER SYSTEM BIOS DEBUGGER selection will enter the debugger After use typing the G go command will return to the SETUP screens e Asa boot action as a last ditch effort if the operating system cannot be booted from the appropriate drives or out of ROM A complete discussion of debugger commands is available in the Integrated BIOS Debugger Reference Manual included on the TS 2100 Utility Disk and also available from the Technologic Systems web site Entering will list all available commands and a g go will return execution to the point where the debugger was called 12 Video Keyboard and Console Redirection The TS 2100 has no video controller or keyboard interface This was done to keep the board size small and the cost low For applications that require it a PC 104 video board can be added to the system easily This could be a VGA controller graphic LCD interface or a custom board of your own design Without a video board in the system the TS 2100 redirects all console activity to the COM2 serial p
3. Ke R W Address 74h Read 75h Read Bit 0 Description Always 0 SRAM option 0 Not installed 1 Option installed RS 485 option 0 Not installed 1 Option installed TX485EN RS 485 control 0 disable RS 485 1 enable RS 485 76h Read 76h Write Or it controls JP header pin 11 if 485 not installed Returns status of TX485EN pin 77h Read Table 1 TS 2100 Control Registers All signals are R W through bit O of the address The PC 104 bus has IRQ3 4 5 6 7 or 9 available for additional serial ports If IRQ3 or 4 are to be used on a PC 104 expansion card then care must be taken since COM2 and COM1 also use these IRQs respectively For example if IRQ4 is used for COM3 then either COM1 must be used in a non interrupt fashion or only one COM port can have the interrupt enabled at a time In any case only one COM should have the Interrupt Enable Bit 3 of Modem Control Reg set at any one time if they share the same IRQ This is a standard problem with the PC architecture A better solution is to simply use interrupts other than 3 or 4 for additional serial ports 05 21 2009 TS 2100 User s Manual Technologic Systems 6 Digital 1 0 6 1 DIO Header The DIO port provides 5V GND and 12 digital I O lines that may P3 2 14 13 IRQ5 P3 3 be used to interface the TS 2100 with a wide range of external IRQ4 P3 0 12 11 IRQS P3 1 devices Additional digital I O is available
4. disk or from the Technologic Systems web site If a video board is installed on the PC 104 bus the video BIOS on the graphics card will automatically replace the standard video routines INT10h disabling both the LCD display and the display redirection keyboard redirection will continue If the console redirection jumper JP2 is also removed the keyboard redirection is disabled as well 13 Feedback and Updates to the Manual To help our customers make the most of our products we are continually making additional and updated resources available on the Technologic Systems web site These include manuals application notes programming examples and updated software and firmware Check in periodically to see what s new When we are prioritizing work on these updated resources feedback from customers and prospective customers is the number one influence If you have questions comments or concerns about your TS 2100 Embedded PC please let us know Details for contacting us are listed in the front of this manual 13 05 21 2009 TS 2100 User s Manual Technologic Systems Appendix A Board Diagram and Dimensions A1 B1 _ uP HEADER f eee ee eee TALLA 7 l i d 44 gt e a PC 104 3 550 X o See eeaeeeeeae z LA ore ee eee ee ee eee ee eee eee Seeeeeeeeteer r 4 b A i O iS A32 B32 gt 0 200 tk 3 575 3 775 Figur
5. write procedures so that other port pins used by on board peripherals are not affected For example let s say you want to use 386EX Port 3 1 DIO pin 11 as an output rather than IRQ3 the default configuration 1 Read P3CFG I O F824h AND it with OFDh write it back to F824h changes from peripheral to I O pin 2 Read P3DIR I O F874h AND it with OFDh write it back to F874h this made it a complementary output 3 To set this pin to a 1 Read P3LTC I O F872h OR it with 02h write it back Note Because the serial ports are internal to the 386EX COM1 and COM2 can still use IRQ4 and IRQ3 even when the associated pins P3 1 and P3 0 are configured as DIO pins DIO1 11 and DIO1 12 the interrupts are simply no longer available on the PC 104 bus Appendix G Using A 12 5 MHz Baud Clock Each serial port baud rate generator clock can be independently switched between either the standard 1 85 MHz clock or a 12 5 MHz clock the internal processor clock divided by 2 Changing the clock to 12 5 MHz allows baud rates higher than 115 kbaud up to 781 kbaud as well as low error non standard lower baud rates such as 24 kbaud The baud rate clock is controlled by I O location OF836h Bit O controls COM1 Bit 1 controls COM2 Setting a bit to O uses the standard 1 85 MHz clock and setting a bit to 1 uses the 12 5 MHz processor clock NOTE You must not modify the other bits of this register You must use a read modify writ
6. E000h through CFFFFh in memory space If you are installing a PC 104 daughter card that uses memory mapped O it must not conflict with this address range if the DiskOnChip is installed If it is not installed there will be no conflict 4 4 Battery Backed SRAM The 32 pin socket can also optionally hold 32 KB of battery backed CMOS SRAM memory This or the DiskOnChip may be installed but not both Unlike Flash memory battery backed SRAM provides non volatile memory with unlimited write cycles and no write time degradation The SRAM uses an additional 32 KB range of C8000h through CFFFFh If the SRAM is installed PC 104 daughter card that uses memory mapped I O must not conflict with this address range The SRAM can be utilized as a RAM disk drive C by the TsRAMDSK Sys device driver The device driver can be added or removed and the SRAM accessed directly by editing the associated line in the CONFIG sys file in the root directory of drive A Please see the BIOS DOS User s Manual for further information on TSRAMDSK SYS 6 05 21 2009 TS 2100 User s Manual Technologic Systems 5 Serial Ports The two PC compatible asynchronous serial ports provide a means to communicate with external serial devices such as printers modems etc Each is independently configured as a standard PC COM port which is compatible with the National Semiconductor s NS16C450 COM1 appears in the I O space at 3F8h and uses IRQ4 COM2 is located at 2F8h and use
7. O PINS ooocccccccccncnoncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnanininnnos 17 APPENDIX G USING A 12 5 MHZ BAUD CLOCK oeiee EEEE EE cette eee eee AA AEKA EE Aa EAKA EE AA AEKA EEA EKASTA RSs 18 APPENDIX H FURTHER REFERENCES o OSSES OSESE El SEs ESSES Eaa 18 APPENDIX I MANUAL REVISIONS e ad aa aaa aaa aaas adadda ies 19 iv 05 21 2009 TS 2100 User s Manual Technologic Systems 1 Introduction The model TS 2100 is a compact full featured PC compatible Single Board Computer based on the 386EX processor If you are coming up from the 8 bit microcontroller world you will find that this product provides much more performance and much quicker development since you can now use standard PC development tools such as Turbo C or Quick Basic If you have done work in the PC world in the past you will find you can now build applications for a very small target that does not require a keyboard video floppy disks or hard drives You can typically write and debug code on a host PC using standard development tools for the PC platform then simply copy it to and run it on the TS 2100 without modification If additional peripherals are required the PC 104 expansion bus allows for many standard functions available off the shelf It is also very simple to create a custom PC 104 daughter board for those special features that differentiate your product Technologic Systems can provide technical support as well as a free quotation for any custom hardware soft
8. OM During POST they are copied from Flash into DRAM at addresses E0000h through FFFFFh for improved performance a standard technique known as BIOS Shadowing The remainder of the Flash memory 896 KB is used by a SSD solid state disk appearing as drive A The SSD is fully supported by the BIOS as an INT 13h drive The physical Flash memory is accessed by the BIOS through a 64 KB memory mapped window at addresses DO000h through DFFFFh If you are installing a PC 104 daughter card that uses memory mapped 1 0 it must not conflict with this address range The Flash memory is guaranteed capable of a minimum of 100 000 write erase cycles This means that if you completely erase and rewrite the SSD drive 10 times a day you have over 27 years before any problems would occur Reading the SSD produces no wear at all 4 3 Flash Expansion If 896 KB of Flash is insufficient for your application an empty 32 pin socket is available for Flash expansion using an M Systems DiskOnChip 2000 or DiskOnChip Millennium Flash Drive This product is a wonder of miniaturization it is a complete Flash SSD in a single 32 pin package currently available in sizes from 4 MB up to 144 MB The DiskOnChip is available from Technologic Systems as well as other distributors It is compatible with DOS as shipped and drivers for other operating systems are available When using the DiskOnChip it will simply appear as drive C The DiskOnChip uses an additional 8 KB range of C
9. PC 104 expansion bus Hex Address FOOOh FFFFh 400h EFFFh Resource Internal 386EX Registers PC 104 Bus Not recommended for use COM1 COM2 Internal 386EX peripherals 3F8h 3FFh 2F8h 2FFh 80h FFh 074h 077h 070h 071h 000h O6Fh Board configuration registers RTC and CMOS memory Internal 386EX peripherals Table 5 TS 2100 I O Map 1 0 Address 74h 75h 76h 76h 77h R W Read Read Read Write Read Bit 0 Description Always 0 SRAM option 0 Not installed 1 Option installed RS 485 option 0 Not installed 1 Option installed TX485EN RS 485 control 0 disable RS 485 1 enable RS 485 Or it controls JP header pin 11 if 485 not installed Returns status of TX485EN pin Table 6 TS 2100 Control Registers All signals are R W through bit 0 of the address 15 05 21 2009 TS 2100 User s Manual Technologic Systems Appendix E BIOS Interrupt Functions We have extended the standard BIOS interrupts with several functions that simplify interfacing with the TS 2100 hardware Many books are available with detailed information on using interrupts with just about any language Example code is also available on the utility disk Int 15h Function B000h Technologic Systems BIOS information This function is mostly for our own internal use but may be useful for user programs as well For example your program could have debugging code th
10. TS 2100 User s Manual a AA waa Technologic TS 2100 User s Manual Technologic Systems a Technolo ogic S Y S T EMS Technologic Systems Incorporated 16525 East Laser Drive Fountain Hills AZ 85268 480 837 5200 FAX 837 5300 info embeddedx86 com http www embeddedx86 com This revision of the manual is dated May 21st 2009 All modifications from previous versions are listed in the appendix Copyright O 1998 2000 by Technologic Systems Inc All rights reserved ii 05 21 2009 TS 2100 User s Manual Technologic Systems Limited Warranty Technologic Systems warrants this product to be free of defects in material and workmanship for a period of one year from date of purchase During this warranty period Technologic Systems will repair or replace the defective unit in accordance with the following instructions e Contact Technologic Systems and obtain a Return Material Authorization RMA number and a copy of the RMA form e Fill out the RMA form completely and include it and dated proof of purchase with the defective unit being returned Clearly print the RMA number on the outside of the package This limited warranty does not cover damages resulting from lighting or other power surges misuse abuse abnormal conditions of operation or attempts to alter or modify the function of the product This warranty is limited to the repair or replacement of the defective unit In no event shall Technologic Systems be lia
11. User s Manual Technologic Systems When you are finished turn off the TS 2100 remove the jumper and turn it back on Your program will now execute every time the TS 2100 is turned on While Manufacturing Mode is in operation the board LED provides feedback While idle the LED will cycle on and off at approximately 1 2 Hertz While data is being transferred it will cycle much more rapidly anywhere from 5 to 1000 Hertz NOTE The Manufacturing Mode driver currently does not work correctly with Windows 9X 95 98 Please use the Zmodem method if you are using Windows 9X 11 3 Integrated BIOS Debugger To provide simple direct access to the TS 2100 hardware the system BIOS has an integrated debugger that can perform standard low level debugger functions The debugger allows you to perform operations such as disassemble code display and alter the contents of memory write to and read from I O ports and single step through or breakpoint code The debugger is not intended for use as the only debugging tool for applications but it can be a real lifesaver when you need interactive direct access to hardware The BIOS debugger can be entered by any of several methods e The debugger hooks the CPU exception vectors in case a divide by zero occurs an invalid opcode is executed or an INT 3 instruction is executed for example By placing an INT 3 instruction in your application code the debugger will automatically be invoked To resume type the
12. at executes on your desktop machine but does not when the program is executing on the TS 2100 ENTRY AX B000h EXIT CY 0 carry flag AH 0 AL SP_VERSION For standard versions of the BIOS this is 0 An SP number is assigned when custom modifications are made to the BIOS for a client and it is returned in this register Contact us for further information BH BIOS Version Major Number E g If the current BIOS version is 1 25 the register will contain 01h BL BIOS Version Minor Number E g If the current BIOS version is 1 25 the register will contain 19h 19h 25 decimal CH Base Flash Memory Size 512kB The TS 2100 is available with 1024kB of base Flash memory standard This would be returned as 02h CL 15h This is the hardware model number 15h 21 decimal DX TS 5452h Int 15h Function B010h LED Control This function is used to turn the board LED on and off You can also invert the LED i e if the LED is off it will be turned on and if it is on it will be turned off ENTRY AX B010h BH 00 LED off 01 LED on 81 LED invert EXIT CY 0 carry flag AH 0 16 05 21 2009 TS 2100 User s Manual Technologic Systems Appendix F Direct Control of the 386EX DIO Pins The Intel386 EX processor has three 8 bit bi directional I O ports all of which are functionally identical Figure 16 1 Each port has three control registers and a status register All three ports share pins w
13. atchdog supervisory function In either mode a system reset is asserted when the WDT times out preventing a system hanging due to a software bug To prevent a WDT timeout the application must periodically feed the WDT by writing to specific I O locations The 32 bit down counter allows timeout values as high as 160 seconds 9 05 21 2009 TS 2100 User s Manual Technologic Systems The general purpose timer mode is more flexible in that the timeout values can be changed dynamically and the timer can be turned on and off under software control The disadvantage of this mode is that it doesn t provide 100 protection because a bug could turn off the timer during a crash and the system would hang The software secure watchdog mode utilizes a lockout sequence to set a WDTEN bit in the watch dog status register Once this bit is set only a system reset can clear this bit When WDTEN is set it is not possible to change the WDT timeout value or to turn off the WDT This provides a high level of assurance against errant software causing a system to hang For details see the Intel 386EX User Manual 9 LED and Jumpers The TS 2100 has a red LED available for user software Example uses include diagnostics status messages and simple output This signal is also available as a digital output on the JP header When power is first supplied to the TS 2100 the board mounted LED is immediately turned on under hardware control Once the proc
14. ble or responsible for any loss or damages including but not limited to any lost profits incidental or consequential damages loss of business or anticipatory profits arising from the use or inability to use this product Repairs made after the expiration of the warranty period are subject to a flat rate repair charge and the cost of return shipping Please contact Technologic Systems to arrange for any repair service ili 05 21 2009 TS 2100 User s Manual Technologic Systems Table Of Contents AE VAR RAN ry eee ees A NR A AA NA A A SN AEE AS AS UA AS ttt tat Il 1 INTRODUCTION S Teaia eeraa REEERE EREE ORERE REEE ER EEEE EEEE OE E EAEE EEA eE Eai eE Oe RERET 5 2 KOLES TE Fa E E E EEE E 5 3 POWER st A A A A E E EE 5 4 A raaa AAA AA aAa AN 6 ra Ma DRAM EA E E E EEEE E EE EA 6 A NN 6 4 3 Flash EXPANSION viii A A ga ee ee A ee ee 6 4 4 Battery BackEd SRA Miu ii 6 5 SERIAL POR ui dadas 7 5 1 Serial Port Configuration Registers oooooccccnnnnnccooccccccccnnnnoannnnnnnncnnnnnnnnnnnnncn nano non nrnnnr rn anne nn nn rnnnrr anne nn nrnnnrrnnnnnnnnnnnnnnn 7 9 2 SenlalPort Hardware suit a did ii een BI RA 7 SEE R E Eee 7 5 4 Addihg Serial Ports a e o o O 8 6 DIGITAL O O 9 6 1 DIO Hed ai A A A cea te anesthe ee ee 9 6 2 Additional I O On The JP Header eeecececcceeeeeeeseneeeeeeeeeeeeeaaeeeeeeeeseeeaaaeeeeeeeeeseaaaeeeeeeeeseaaaaeeeeeeeesessaaaeeeeeeeeeeeaaaes 9 7 REAL TIME A 825 dad dededehsdand daad das ccemsanatanadaa
15. d they are supported by the TS 2200 EPC For half duplex operation a single twisted pair is used for transmitting and receiving The serial port s RTS signal controls the RS 485 transmitter receiver When RTS is asserted true bit 1 of the modem control register 1 the RS 485 transmitter is enabled and the receiver disabled When RTS is deasserted the transmitter is tri stated disabled and the receiver is enabled Since the transmitter and receiver are never both enabled the serial port UART does not receive the data transmitted The transmitter and receiver share a single pair of signals that are available on pins 1 and 6 of the COM1 10 pin header 7 05 21 2009 TS 2100 User s Manual When the RS 485 option is not installed TX485EN JP header pin 7 is a digital input read at I O 77h bit 0 RX485EN JP header pin 11 is a digital output controlled by I O 76h bit 0 When the RS 485 option is installed TX485EN and RX485EN control the RS 485 transmitter and receiver respectively At system reset TX485EN is initialized to a logic 0 RS 485 transmitter OFF and RX485EN is initialized to a logic 1 RS 485 receiver OFF When a 1 is written to I O 76h bit 0 RS 485 mode is enabled and the COM1 RTS signal controls both TX485EN and RX485EN When RTS is asserted true TX485EN is asserted true and RX485EN 4 is asserted false This is the correct state for sending data in RS 485 mode When RTS is false TX485EN is fa
16. e 4 Board Diagram Figure 5 Board Dimensions standard PC 104 8 bit module dimensions Appendix B JP Jumper Block Table 4 lists all option jumpers and their functions COMIRXD 14 T9 RS 232 data These jumpers are clearly labeled in the lower right TIMERZ OUT 12 TT esa corner of the board see Figure 4 IRQ6 P3 4 10 9 P1 3 RTS1 P1 1 8 7 TX485EN Jumper Installed on Pins Function DCD2 6 5 1P12 JP2 4 3 Buffered LED JP1 2 1 GND Console Redirection Figure 6 JP Header Pinout Enable COM1 RS 232 Table 4 Jumper Listing Manufacturing Mode 14 05 21 2009 TS 2100 User s Manual Appendix C System Memory Map Resource Technologic Systems Extended Memory RAM BIOS Shadow RAM DOS BIOS Extension Shadow RAM Solid state disk drive window Flash RAM PC 104 or DiskOnChip PC 104 or Battery Backed SRAM PC 104 typically video BIOS PC 104 typically video memory Lower Memory RAM Starting Address Size hex decimal 1M 100000h 1024k 64k F0000h 960k 64k E0000h 896k 64k D0000h 832k CE000h 824k 8k C8000h 800k 24k 32k C0000h 768k 128k A0000h 640k 640k 00000h 00000 Figure 7 TS 2100 Memory Map Not to scale Appendix D System I O Map The following table lists the I O addresses used by the system All other I O locations from 100h through 3F7h are available on the
17. e procedure to change these bits The following example in assembly illustrates this MOV DX 0F836 load the I O address IN AL DX read the configuration register L 7 OR AL 00000001b switch COM1 to the 12 5 MHz clock OUT DX AL write the register Appendix H Further References Technologic Systems Web Site http www embeddedx86 com Dallas Semiconductor DS12887 Data Sheet Intel 386EX User s Guide http developer intel com design intarch manuals 272485 htm Maxim Integrated Products http www maxim ic com National Semiconductor NS16C450 Data Sheet Omen Technologies http www omen com PC 104 Consortium Web Site http www pc104 org 18 05 21 2009 TS 2100 User s Manual Appendix Manual Revisions 05 21 09 Updated mailing address 06 04 01 e Updated board dimensions in Appendix A 11 6 00 Updated System I O Map Updated URL to Intel 386EX User s Guide Added section 11 3 8 Appendix F Added Appendix D Fixed minor errors More info on JP jumper block Added Figure 5 Board Dimensions 07 22 99 07 21 99 04 30 99 More info on JP jumper block Added system memory and I O maps More info on RS 485 Fixed several minor typos New manual 04 27 99 19 Added PC 104 pin out numbering to Figure 4 Technologic Systems 05 21 2009
18. ernal power supply When power is first supplied to the TS 2100 the board mounted LED is immediately turned on under hardware control Once the processor begins execution the LED is turned off If the LED does not turn on at all the most likely problem is the power supply Check that the 5V and GND connections are not reversed A diode protects the board against damage in such a situation but it will not run Please note that supply voltages over 6VDC may damage the TS 2100 Be sure to use a regulated 5VDC power supply 5 05 21 2009 TS 2100 User s Manual Technologic Systems 4 Memory 4 1 DRAM The TS 2100 has a total of 2 Megabytes of DRAM providing 640 KB of base memory 1 Megabyte of extended memory and 128 KB of shadow RAM for the BIOS and DOS ROM This is identical to a standard PC memory map The Flash SSD is the exception see below for details As shipped the 1 Megabyte of extended memory is used as a RAM disk by the vdisk sys device driver The RAM disk is accessible as drive C if the DiskOnChip 2000 Flash disk is not installed drive D if it is The size of the disk can be reduced to provide extended memory for an application or simply removed entirely by editing the CONFIG SYS file in the root directory of drive A Please see the BIOS DOS User s Manual for further information on vdisk sys 4 2 Flash There is a total of 1 MB of Flash memory on the TS 2100 The top 128 KB of Flash are reserved for the BIOS and DOS R
19. essor begins execution the LED is turned off then flashed on and off again briefly If the LED does not turn on at all the most likely problem is the power supply Check that the 5V and GND connections are not reversed A diode protects the board against damage in such a situation but it will not run BIOS interrupt functions are used to interface software with the LED and option jumpers Please see Appendix C for further details and the utility disk for example code 10 PC 104 Bus Expansion The PC 104 is a compact implementation of the PC AT ISA bus ideal for embedded applications Designers benefit from using an already Signal Name developed standard rather than D through Do Signal Name creating their own Further the ieee IOCHCHK presence of a compact form factor Pa das 5V PC compatible standard has CN DRQ2 encouraged the development of a END sey broad array of off the shelf ey ENDER products allowing a very quick time AS he to market for new products RAS DACK3 DRQ3 The electrical specification for the SMEMW DACK1 PC 104 expansion bus is identical SMEMR DRQ1 to the PC ISA bus The mechanical IOW REFRESH specification allows for the very IOR DACK2 compact implementation of the ISA SYSCLK 8 33 MHz TC bus tailor made for embedded Rart Table 3 Unsupported PC 104 Signals Systems The full PC 104 o l PO pendones aust net specification is available from the ae IEEE Standards Office under connect to these pin
20. ith internal peripherals Several of these pins are routed to the DIO ports If your design does not require a pin s peripheral function you can configure that pin for use as an l O port For example if you don t need IRQ6 for PC 104 you can use the associated pin 386EX P3 4 as a DIO on JP header pin 10 Each pin can operate either in I O mode or in peripheral mode In I O mode a pin has three possible configurations e high impedance input e open drain output requires an external pull up resistor e complementary output In 1 O mode register bits control the direction input or output of each pin and the value of each output pin In peripheral mode the internal peripheral controls the operation input or output of the pin Each port has three control registers and a status register associated with it The control registers PnCFG PnDIR and PnLTC can be both read and written The status register PnPIN can only be read All four registers reside in I O address space Register I O Address Description P1CFG 0F820h Port n Mode Configuration PORO ORGAAN Each bit controls the mode of the associated pin read write 0 Selects I O mode 1 Selects peripheral mode P1DIR 0F864h Port n Direction Poul Oreran Each bit controls the direction of a pin that is in I O mode If a pin is in read write peripheral mode this value is ignored 0 Configures a pin as a complementary output 1 Configures a pin as either an in
21. lse and RX485EN is true This is the correct state for receiving data in RS 485 mode When COM1 is using the RS 485 option jumper JP7 should not be installed JP7 is only installed when RS 232 is being used on COM1 It is possible to use COM1 in RS 232 mode even when the RS 485 option is installed As long as I O 76h bit 0 is zero the RS 485 transmitter and receiver are both disabled If JP7 is also installed normal RS 232 operation results 5 4 Adding Serial Ports If your project requires more than two serial ports additional ports may be added via the PC 104 expansion bus Technologic Systems currently offers a 2 serial 1 parallel port card and other manufacturers sell cards with up to four additional serial ports Typically these would be configured as COM3 or COM4 or be assigned other non standard I O locations Because DOS only directly supports four serial ports any additional ports beyond four will require software drivers Technologic Systems RS 485 Quick start procedure 1 The RS 485 option must be installed 2 Remove JP7 to disable RS 232 operation 3 Attach the RS 485 cable to pins 1 and 6 of the COM1 header 4 Write a 1 out to I O address 76h to enable RS 485 operation 5 Set the COM1 UART serial parameters baud rate data parity and stop bits interrupts etc 6 To transmit data assert RTS and write the data to the UART 7 To receive data deassert RTS and read the data from the UART
22. ntanadacmnanmecnmeanmicamtcdmsanncanmecameanmeanataamaansanmianmnanaeanas 9 8 WATCHDOG TIMER cuco cists barata cia sada E oe dads tte date datekadada ce dated cededadecedadedededededestedadedecedadedeaedediane 9 9 CED AND JUMPERS ossessi oe aee e ce AE daa ORAR 10 10 PC 104 BUS EXPANSION incio aiii ninia 10 11 LOADING EXECUTING AND DEBUGGING PROGRAMS ioocccccccccccococonononononononnnnnnnnnnnnnnnnnnnnnnnnnnnnininnnnnoss 11 1 1 Zmod m DONNA Si 11 11 2 Ma u fact ring Mode Cotice id 11 11 3 Integrated BIOS Debuggenis ti a 12 12 VIDEO KEYBOARD AND CONSOLE REDIRECTION ooocccccncciniconocononooonnoononononnnnnnnnnnnn rn rn r arar 12 13 FEEDBACK AND UPDATES TO THE MANUAL ooooccnnnononononcnonononononononononononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnninininins 13 APPENDIX A BOARD DIAGRAM AND DIMENSIONS oocccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnininss 14 APPENDIX B JP JUMPER BLOCK idea cabida 14 APPENDIX G SYSTEM MEMORY MAP iso ccdhcedd dcdhcedd aaaea dagadads dagadans daandaandaaens 15 APPENDIX D SYSTEM VO MAP a 15 APPENDIX E BIOS INTERRUPT FUNCTIONS oei eusa SEARES RAA eee AAA AA E AAA AA SE AA AAA AE AAA EA SA AARAA A KAERA E AATA 16 Int 15h Function BOOOh Technologic Systems BIOS information ccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeess 16 Int 15h F nction BO10h LED Control csc Heit r r EE a r E a a ee A p E EEEE ie 16 APPENDIX F DIRECT CONTROL OF THE 386EX DI
23. o data lines NC 9 4 DTR RTS out and the CTS RTS handshake pair This is quite suffi in CTS 8 3 TXdata out cient to interface with the vast majority of serial devices out RTS RX data in RS 485 TX RX 6 1 RS 485 TX RX Figure 1 Serial Port Header and DB9 Pin out signal direction is in brackets The serial lines are routed to 10 pin headers labeled COM1 and COM2 A serial adapter cable can be plugged into the header to convert this into a standard DB9 male connector The pin out for the 10 pin header and DB9 RS 485 is optional male connector are listed below The RTS signal also PLEASE NOTE The serial port headers drives the DTR pin on the serial ports DTR is always the use a non standard numbering scheme same state as RTS In addition RTS is also used to This was done so the header pins would enable the RS 485 transmitter see below for more have the same numbering as the corre details sponding DB 9 pin e pin 8 CTS on the header connects to pin 8 on the DB 9 5 3 RS 485 Support An option is available to add support to COM1 for half duplex RS 485 RS 485 drivers allow commu nications between multiple nodes up to 4000 feet 1200 meters via twisted pair cable Half duplex RS 485 requires one twisted pair plus a Ground connection Full duplex RS 485 and automatic trans mitter enable for half duplex are not supported on the TS 2100 If either of these features is require
24. on the JP header These a 10 19 RI2 SRXD signals are connected directly to the 386EX and several have uie oe 8 7 om multiple functions For example DIO pins 6 11 12 and 13 are by ar a 6 5 ee default IRQ7 IRQ3 IRQ4 and IRQ5 respectively By setting configu SND gt gt ave ration registers in the 386EX these pins can be individually changed to general purpose I O GPIO as high impedance inputs open drain outputs or complementary outputs Note that these same signals are also connected directly to the PC 104 bus if a pin is configured as GPIO then the associated IRQ will not be available for PC 104 expansion cards Figure 2 DIO Header Pinout DIO pins 7 10 can be configured as a synchronous serial port supporting baud rates to 6 25Mbaud These pins are COM2 handshake lines by default that can be used as GPIO DIO pins 3 4 5 and 14 are always GPIO they do not have secondary functions All digital outputs can source or sink up to 8mA All digital inputs have standard TTL level thresholds For further information on configuration and use of these pins please See Appendix E 6 2 Additional I O On The JP Header JP header positions JP1 JP2 and JP7 are used to select operational modes for the TS 2100 The remaining pins are further DIO lines available to the user COM1 RXD 44 13 RS 232 data TIMER2 OUT 42 11 RX485EN IRQ6 P3 4 10 9 P1 3 RTS1 P1 1 8 7 TX485EN
25. ort Simply connect an ANSI terminal or emulator to COM2 with a null modem cable using serial parameters of 9600 baud 8 data bits no parity 1 stop bit and make sure jumper JP2 is installed All text information that would normally be displayed on a video screen is now displayed in your terminal window and any serial data sent to the TS 2100 is seen as standard keyboard input by programs Please note that the console redirection support is limited by the fact that there is no actual video or keyboard hardware on the TS 2100 Programs must use the standard BIOS routines for display and keyboard input which are rerouted to the serial port Any program that accesses the video or key board hardware directly will not work Keyboard redirection is limited simply because most of the extended keys on the keyboard function keys and Alt key in particular are not sent by the terminal 12 05 21 2009 TS 2100 User s Manual Technologic Systems emulator For these reasons the console redirection feature is meant more for system development testing and field repair rather than as the primary user interface for a finished product If your application uses COM2 removing the jumper JP2 easily disables console redirection If you wish to use a different serial port and or baud rate for the console the CONSOLE EXE utility allows these modifications to be made Please see the appropriate application notes for further details available on the utility
26. put or an open drain output P1LTC OF862h Port n Data Latch able OF Sten Each bit contains data to be driven on to an output pin that is in I O mode read write Write the desired pin state value to this register If a pin is in peripheral mode this value is ignored Writing a value to a PL bit causes that value to be driven onto the corresponding pin For a complementary output write the desired pin value to its PL bit This value is actively driven high or low onto the pin For an open drain output a zero results in a actively driven low on the pin a one results in a high impedance input state at the pin To configure a pin as an input write a one to the corresponding PL bit A one results in a high impedance state at the pin allowing external hardware to drive it Reading this register returns the value in the register not the actual pin state P1PIN OF860h Port n Pin State POEUN OFOrgh Each bit of this read only register reflects the state of the associated pin read only Reading this register returns the current pin state value regardless of the pin s mode and direction Table 7 386EX I O Port Registers 17 05 21 2009 TS 2100 User s Manual Technologic Systems In the default configuration P1 5 P1 0 and P3 6 are all initialized as inputs while P3 0 P3 1 and P3 3 are initialized as peripherals IRQ4 IRQ3 and IRQ5 Warning When changing these registers always use read modify
27. quirement is a terminal emulation program that supports Zmodem and virtually all do If you are using Windows 9X for your development work the HyperTerminal accessory works well To download a file to the TS 2100 from your host PC execute DL BAT at the DOS command line on the TS 2100 while using console redirection from within your terminal emulator and begin the transfer with your terminal emulator In HyperTerminal this is Send File from the Transfer menu To upload a file from the TS 2100 to your host PC execute UL BAT lt FILENAME gt at the DOS command line on the TS 2100 and start the transfer in your terminal emulator Many emulators HyperTerminal among them will automatically begin the transfer themselves Occasionally there may be errors in transmission due to background solid state disk operations This is not a problem Zmodem uses very accurate CRC checks to detect errors and simply resends bad data Once the file transfer is complete the file is completely error free Please note that the utility used to perform Zmodem file transfers on the TS 2100 side is called DSZ produced by Omen Technologies DSZ is shareware it is not free If you decide to use it you are legally obligated to pay Omen Technologies Currently the cost is 20 Further info is available in the DSZ zip file located on the utility disk and contact info for Omen Technologies is in Appendix G 11 2 Manufacturing Mode The TS 2100 has a special fea
28. s IRQ3 t BALE IEEE P996 1 see Appendix G for further information Basically this bus allows multiple daughter boards in a 3 6 inch by 3 8 inch form factor to be added in a self os stacking bus Since the electrical specs are identical except for drive GND levels to a standard PC ISA bus standard peripherals such as COM GND ports Ethernet video LCD drivers and Flash drives may be easily added using standard drivers The TS 2100 implements a sub set of the 8 bit version of the PC 104 bus We have found this allows the support of the vast majority of 10 05 21 2009 5V Table 2 Supported PC 104 Signals T These signals are also connected to the DIO port TS 2100 User s Manual Technologic Systems PC 104 boards including all of the above mentioned examples The one feature missing is DMA which few PC 104 boards use See Figure 4 Appendix A for information on PC 104 pin numbering 11 Loading Executing and Debugging Programs Two methods are available for transferring files between a desktop PC and your TS 2100 Zmodem downloads and Manufacturing Mode Full descriptions of each are detailed below To make your program automatically execute at power up just edit the AUTOEXEC BAT file on the Flash SSD drive and replace the name of the factory test program EPC DIAG EXE with yours 11 1 Zmodem Downloads Using the Zmodem protocol to send files to and from the TS 2100 is simple and straightforward The only re
29. s IRQ3 The COM ports use a master clock of 1 8519 MHz as compared to a standard clock of 1 8432 MHz This results in an error for all baud rates of 0047 less than 7 The error is insignificant and this clock value allows standard baud rate selections for example a divisor of 12 yields 9600 baud By changing an internal configuration register in the 386EX the serial clock can be switched to 12 5 MHz the processor clock divided by 2 This feature allows baud rates higher than 115 kbaud up to 781 kbaud as well as low error non standard lower baud rates such as 24 kbaud See Appendix F for further information The COM ports may also be configured to use a DMA channel which is handy when very high baud rates are being used When enabled a DMA request is issued any time a serial port s receive buffer is full or its transmit buffer is empty This allows higher speed operation with much lower CPU overhead See the Intel 386EX User s Manual for further details 5 1 Serial Port Configuration Registers Because both serial ports are 100 PC compatible software written for the PC that accesses serial ports directly or through standard BIOS calls will work without modification on the TS 2100 The details of the COM port internal registers are available in most PC documentation books or the data sheet for the National Semiconductor NS16C450 may be consulted 5 2 Serial Port Hardware NC GND Each serial port has 4 lines buffered the tw
30. ture called Manufacturing Mode which makes the on board Flash SSD appear as just another drive on your desktop computer using a DOS device driver and a serial cable First connect a null modem cable between COM2 on the TS 2100 and COM1 or COM2 of your desktop computer Next the TS 2100 must be placed in Manufacturing Mode To do so install jumper JP1 and power cycle the unit Manufacturing Mode will automatically start once the POST routines have been executed At this point the TS 2100 will simply sit and wait for serial packets to arrive from a host Now install the Manufacturing Mode driver on your desktop computer To do so simply copy the MFGDRV SYS device driver from the utility disk to anywhere on your desktop machine s hard drive Then insert the following line in your CONFIG SYS file and reboot DEVICE lt PATH gt MFGDRV SYS UNIT 0 BAUD 38K PORT COMX Where lt PATH gt is the full path to the location where you copied the MFGDRV sYSs driver and X is the port on your host PC that the null modem cable is connected to 1 or 2 The Flash SSD drive should now appear on the next free drive letter on your desktop computer usually the D or E drive Simply copy your program onto the drive and that s it You can create directories edit files and even execute programs on your desktop computer over the Manufacturing Mode link just the way you would with a regular disk drive just a bit more slowly 11 05 21 2009 TS 2100
31. ware or BIOS modifications you may require This manual is fairly short This is because for the most part the TS 2100 is a standard 80386 based PC compatible computer and there are hundreds of books about writing software for the PC platform The purpose of this manual is documenting where the TS 2100 differs from a standard PC 2 PC Compatibility PC compatibility requires much more than just a 386 processor It requires PC compatible memory and I O maps as well as a PC compatible BIOS The General Software EMBEDDED BIOS offers a high degree of compatibility with past and present BIOS standards allowing it to run off the shelf operating systems and application software The EMBEDDED BIOS has been tested with all major versions of DOS including MS DOS DR DOS and Embedded DOS 6 XL all major versions of OS 2 including MS OS 2 and IBM OS 2 MS Windows 3 1 Windows 95 Windows NT and NetWare 386 Technologic Systems Embedded PCs are compatible with a wide variety of x86 based operating systems A partial list OSes currently used with our boards by customers includes e TNT Embedded Toolsuite Phar Lap Software e RTKernel On Time Software e RTEMS On Line Applications Research Corporation e DOS with WATTCP public domain TCP IP source code for DOS 3 Power The TS 2100 requires regulated 5VDC at 475mA typical A quick release screw down terminal block for the 5V power and power GND connections is provided for easy connection to an ext
Download Pdf Manuals
Related Search