TS-3200 User`s Manual
Contents
1. 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 the 32 KB memory range of DOOOO0h through D7FFFh If the SRAM is installed PC 104 daughter cards that uses memory mapped I O must not conflict with this address range 7 05 21 2009 TS 3200 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 uses 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 42 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 use2. 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 3200 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 18 05 21 2009 TS 3200 User s Manual Technologic Systems 15 2 Using other debuggers For example the Turbo C debugger can be used on the target board using the TS 9500 video and keyboard interfaces Any other standard PC software debugger of your choice should work just as well 16 Video Keyboard and Console Redirection The TS 3200 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 Technologic Systems recommends the TS 9500 a PC 104 daughter board with video keyboard mouse and compact flash This is extremely useful in speeding up the development phase and shortening the time to market With the TS 9500 installed developers can develop right on the target board with any compiler or debugger of their choice such as the Turbo C compiler or debugger Without a video board in the system the TS 3200 can redirect all console activity to the COM2 serial p
3. 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 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 F 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 0 controls COM1 Bit 1 controls COM2 Se
4. Table 4 Supported PC 104 Signals On the 8 bit Bus t These signals are also connected to the DIO ports Pin B19 normally not used has been reassigned to be a User Chip Select This active low signal decodes the I O address range 140h through 15Fh to allow for simple low cost daughter board designs The User Chip Select uses the 386EX CS0 This can be easily programmed to be at any I O location or memory range This pin can also be used for general purpose l O as bit O of Port 2 of the 386EX All Technologic Systems 3000 and 5000 series products will support this feature 16 05 21 2009 TS 3200 User s Manual Technologic Systems 14 Loading or Transferring Files Three methods are available for transferring files between a desktop PC and your TS 3200 Compact Flash with TS 9500 Zmodem downloads and Manufacturing Mode Full descriptions of each are detailed below Other programs which use serial ports to transfer should work as well for example FastLynx 14 1 Developing with Technologic Systems TS 9500 The TS 9500 daughter board features a removable Compact Flash Card that behaves like a standard IDE drive This allows two different development methods 1 Develop on a host system Transfer files to the TS 3200 via the compact flash card on the TS 9500 Technologic Systems offers a low cost SanDisk USB compact flash card interface for your host system 2 Transfer your development tools e g Turbo C onto the compac
5. 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 When you are finished turn off the TS 3200 remove the jumper and turn it back on Your program if loaded into the autoexec will now execute every time the TS 3200 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 95 or later Please use the Zmodem method if you are using Windows environment You may need to boot directly to DOS using the utility diskette supplied with your unit if you wish to use the Manufacturing Mode method The utility diskette will boot to DOS ROM 4 04 with the maufacturing mode driver installed The flash drive can now be accessed and restored using the floppy 15 Debugging There are two main methods for debugging on the TS 3200 using the integrated BIOS debugger INT3 and or using your development tool s debugger this usually requires the TS 9500 video and keyb
6. 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 3200 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 5V Power GND Each serial port has 4 lines buffered the two data lines NC 9 4 DTR RTS out and the CTS RTS handshake pair This is quite suffi in CTS 8 3 TXdata out out RTS RX data in cient to interface with the vast majority of serial devices 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 RS 485 TX RX 6 1 RS 485 TX RX Figure 1 Serial Port Header and DB9 Pin out signal direction is in brackets 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 h
7. all LCD displays sized 2 x 24 or smaller using a Hitachi HD44780 controller ENTRY AX B042h BH 00 Disable LCD 01 Enable LCD 02 Return current LCD status EXIT CY Set if error else clear if success carry flag AH 00 No Error LCD initialized OK BH 00 LCD currenily disabled Not present 01 LCD currently enabled and running Int 15h Function B021h JP5 Status This function is for backward compatibility with those who used the TS 2350 board mounted push switch JP5 emulates the push switch With JP5 installed this function will behave as if the push switch was installed With JP5 not installed it behaves as if the push switch is not pressed ENTRY AX B021h EXIT CY 0 carry flag AH 00 BX 00 JP5 not installed Deasserted 01 JP5 installed Asserted 24 05 21 2009 TS 3200 User s Manual Technologic Systems Int 15h Function B020h Jumper Pin Status This function returns the status of the option jumpers in register BX according to the list below ENTRY AX B020h EXIT CY 0 carry flag AX 0 BX Jumper Pin Status If Bit X 1 the jumper is installed Description 0 Manufacturing Mode 1 JP2 Console Redirection 2 JP3 Write Enable Flash 3 JP4 Reduced 386 Clock 4 JP5 User definable Table 7 Int15h Function BO20h register BX return values 25 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix E Direct Control of the 386EX DIO Pins The I
8. 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 3200 User s Manual Technologic Systems 6 Digital I O There are 37 Digital Input Output DIO lines available on the TS 3200 These are available on 3 headers labeled DIO1 DIO2 and LCD In addition to the DIO signals each header also has 5 Volt power and Ground available The header labeled LCD can be used as 11 DIO lines or as an alphanumeric LCD interface See Section 7 16 of the DIO lines are arranged as two byte wide ports that can be programmed as either inputs or outputs in groups of 4 bits Most of the remaining 21 DIO lines are fixed as either input or output signals 6 1 DIO1 Header The DIO1 port provides 5V GND and 12 digital I O lines that can IRQ1 P3 2 14 13 IRQ5 P3 3 be used to interface the TS 3200 to a wide range of devices Some IRQ4 P3 0 12 11 IRQ3 P3 1 of these signals have dual functions some are input or output only DTR2 SRXCLK
9. of this feature is that this will reduce the amount of power consumed Another benefit is for debugging this can help resolve timing related issues during development The Baud Rate Clock and the PC 104 Bus clocks SYSCLOCK and OSC are not affected by JP4 The internal 386EX Watch Dog Timer Timer 1 and Timer 2 clocks are affected The default is no jumper installed JP5 is a jumper reserved for user programs This jumper is shared with 2 other functions Note If the TS 9500 daughter board is used then JP5 must not be installed Note JP5 can also not be used if DIO1 Port Pin 14 is being used The default is with no jumper installed The status of any jumper can be read via a BIOS call See Appendix D for more details 15 05 21 2009 TS 3200 User s Manual 13 PC 104 Bus Expansion Technologic Systems The PC 104 is a compact implementation of the PC AT ISA bus ideal for embedded applications Designers benefit from using an already developed standard rather than creating their own Further the presence of a compact form factor PC compatible standard has encouraged the development of a broad array of off the shelf products allowing a very quick time to market for new products ENDXFR 12V DACK3 DRQ3 DACK1 DRQ1 DACK2 TC Table 3 Unsupported PC 104 Signals on the 8 bit Bus PC 104 expansion cards must not connect to these pins Signal Name SBHE LA23 LA17 MEMR MEMW D8 D15 MEM16 1
10. on the 3 pin terminal block connector When COM1 is configured for RS 485 usage the COM1 RS 232 port must not be connected Data received on the RS 232 port will corrupt RS 485 data It is possible to use COM1 in RS 232 mode even when the RS 485 option has been ordered To disable RS 485 and enable RS 232 on COM1 simply remove the 8 pin RS 485 transceiver from the 8 pin socket near the center of the board 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 the TS SER2 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 RS 485 Quick start procedure 1 The RS 485 option must be installed 2 Attach the RS 485 cable to pins 1 and 6 of the COM1 header or the 3 pin RS 485 header 3 Set the COM1 UART serial parameters baud rate data parity and stop bits interrupts etc 4 To transmit data assert RTS and write the data to the UART 5 To receive data deassert RTS and read the data from the UART 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
11. the BIOS call to enable the LCD also sets bit 4 at I O location 7Dh See Section 7 for LCD mode When the LCD port is in DIO mode pins 3 and 6 are digital inputs pin 5 is a digital output and pins 7 14 are programmable as either inputs or outputs LCD_6 14 13 LCD_7 Pins 3 RS and 6 WR can be read at I O location 73h bits 7 and 6 LCD_4 42 11 LCD_5 respectively Pin 5 EN is controlled by writing to I O location 73h bit LCD 2 10 9 LCD_3 0 ae er Pins 7 14 can be read or written at I O location 72h The direction of Bias 4 3 RS the byte wide port pins 7 14 at I O location 72h is controlled by enD 2 1 s5v bits 2 and 3 at I O location 7Dh If bit 2 is a zero then the lower 4 Figure 4 Pinout for LCD header bits pins 7 10 are inputs If bit 2 is logic 1 then pins 7 10 are when used as DIO outputs Bit 3 at location 7Dh controls the upper 4 bits pins 11 14 in a like manner All digital outputs on this port can source or sink 4 mA and the digital inputs have standard TTL level thresholds and must not be driven below 0 Volts or above 5 0 Volts 7 LCD Interface A 14 pin LCD connector is provided on the TS 3200 for interfacing with standard alphanumeric LCD displays These displays use a common controller the Hitachi HD44780 or equivalent While software written for the HD44780 will work with all displays using the controller the cable needed is dependent on the
12. 016 IRQ14 Table 5 Supported signals on the optional 16 bit PC 104 The electrical specification for the PC 104 expansion bus is identical to the PC ISA bus The mechanical specification allows for the very compact implementation of the ISA bus tailor made for embedded systems The full PC 104 specification is available from the IEEE Standards Office under 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 stacking bus Since the electrical specs are identical except for drive levels to a standard PC ISA bus standard peripherals such as COM ports Ethernet video LCD drivers and Flash drives may be easily added using standard drivers The TS 3200 implements an 8 bit or 16 bit version of the PC 104 bus with a few signals not supported We have found this allows the support of the vast majority of PC 104 boards including all of the above mentioned examples The one feature missing is DMA which few PC 104 boards use Pin A1 A2 A9 A10 A11 A12 A32 B1 B2 B3 B4 B11 B12 B13 B14 B19 B20 B21 B22 B23 B24 B25 B28 B29 B30 B31 B32 A31 Signal Name IRQ1F D7 DO IOCHRDY EN A19 AO GND GND RESETDRV 5V IRQ9 SMEMW SMEMR IOW IOR User Chip Select SYSCLK 8 33 MHz IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 BALE 5V OSC GND GND
13. 10 9 RI2 SRXD while some are programmable can be either inputs or outputs Doh STXCEK Sha RTS2 STAD IRQ7 P3 5 6 5 P1 0 For example DIO1 pins 6 11 12 and 13 are by default IRQ7 IRQ3 P151 4 3 P3 6 IRQ4 and IRQ5 respectively These lines can be changed to GND 2 71 5v general purpose inputs by changing a configuration register in the Figure 2 DIO1 Header Pinout 386EX see Appendix E In all cases these signals can only be inputs DIO1 pins 7 through 10 are COM2 handshake lines that can be used as digital I O with pins 8 and 9 inputs only and pins 7 and 10 as outputs only Alternatively pins 7 through 10 can be used as a synchronous serial port by changing 386EX configuration registers Pin 14 is shared with Jumper 5 JP5 Pin 14 is used as IRQ 1 when the TS 9500 daughter board is installed If JP5 is not being used and the TS 9500 is not installed it can be used for digital I O Pins 3 4 5 and 14 can be programmed as either inputs or outputs All digital outputs can source or sink up to 8mA All digital inputs have standard TTL level thresholds If configured as inputs they should not be driven below 0 Volts or above 3 3 Volts All other inputs should not be driven below 0 Volts or above 5 0 Volts For further information on configuration and use of these pins please see Appendix E 6 2 DIO2 Header The DIO2 Port provides 5V GND and 14 digital I O lines 5V 16 15 DIO 2_7 P1 3 14 13 DIO 2
14. 6 The odd numbered pins 1 15 provide 8 bits of byte wide digital I O IRQ6 P3 4 121111DIO2 5 9 addressed at I O location 7Eh The upper 4 bits or lower 4 bits can be DCD2 10 DIO 2 4 independently selected as input or output RTS11817 DIO2 3 Bits O and 1 at I O location 7Dh controls the direction when bit O 0 P1 2 16 gt Ele the lower 4 bits pins 1 3 5 and 7 are inputs If bit O 1 then they LED_ON 4 are outputs These pins have 4 7k ohm resister pull ups to 5V GND 2 1 DIO2_0 Figure 3 DIO2 Header Pinout Bit 1 at I O location 7Dh controls the upper 4 bits pins 9 11 13 and 15 in a like manner At reset bits O and 1 at I O location 7Dh are set to zero which initializes all of these pins as inputs Pins 4 and 8 are always outputs and pin 12 is always an input Pins 6 and 14 are programmed as inputs or outputs see Appendix E If pins 6 or 14 are used as inputs they should not be driven below O Volts or above 3 3 Volts All other inputs should not be driven below 0 volts or above 5 0 Volts 10 05 21 2009 TS 3200 User s Manual Technologic Systems 6 3 Using LCD Port as Digital I O The LCD Port can be used as 11 additional digital I O lines or it can be used to interface to a standard alphanumeric LCD display At system reset the port defaults to DIO mode If using an LCD display this port can be switched to LCD mode by writing a 1 into bit 4 at I O location 7Dh or
15. 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 turn the LED on and off Please see Appendix D for further details and the utility disk for example code 14 05 21 2009 TS 3200 User s Manual Technologic Systems 12 Jumpers Function Manufacturing Mode Console Enable on COM2 Write Enable Drive A Reduce Clock to 12 5 MHz User Jumper Table 2 Jumper Listing With a jumper installed on JP1 the unit switches to Manufacturing Mode See 14 3 for more information on Manufacturing Mode The default is with no jumper installed With a jumper installed on JP2 the TS 3200 redirects all console activity to COM2 With JP2 removed COM2 is available as a Com port and all console activity behaves as normal Section 16 for more information about console redirection The default is with the jumper installed With the jumper installed on JP3 on the TS 3200 the on board flash drive A is read write Removing JP3 results in read only access to the on board flash This is most useful to disable changes to the flash drive in the end product The default is with the jumper installed With a jumper installed on JP4 the 386EX clock is throttled to half speed One advantage
16. MHz 386EX clock Desired Time out in mS _ Upper 16 bit Reload Value 2 62 For example if a 2 second time out is desired then 2000 m 763 decimal or 02FB hex 2 62 So WDTRLDH 02FBh and WDTRLDL 0000 When the WDT times out it causes a complete hardware reset to the entire TS 3200 and also asserts RESETDRV on the PC 104 Bus The following code illustrates using the WDT to implement a software reset routine The WDT is initialized with a very low Reload Constant Void main const int WDTCLR OxF4C8 const int WDTRLDH 0xF4C0 const int WDTRLDL 0xF4C2 int n 0 outport WDTRLDH 0x0001 Reload Constant 2 6 mS outport WDTRLDL 0x0000 outport WDTCLR OxFO1E Watch Dog Feed word 1 outport WDTCLR Ox0FE1 Watch Dog Feed word 2 for n 0 n 1 endless loop system will be reset in about 2 62 milliseconds anyway 13 05 21 2009 TS 3200 User s Manual Technologic Systems return 1 For more information please see Intel s 386EX manual chapter 17 for more information 11 LED The TS 3200 has a green 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 DIO2 header When power is first supplied to the TS 3200 the board mounted LED is immediately turned on under hardware control Once the processor begins execution the
17. TROL OF THE 386EX DIO PINS 0 cceceeeceecceceeeeeeeeeceaeeeeeeeeesecseeaeceeeeeenseeseaaeess 26 APPENDIX F USING A 12 5 MHZ BAUD CLOCK 00 cccccccecceeecec cece ee eeeeceeeaeaeeeeeeesececaaeeeeeeeeesecsnaeeeeeeeeesensnaees 27 APPENDIX G FURTHER REFERENCES oiiae cece cece ee aeaaea aa ae ia a aaa aaia raie a adiau aieiaa 27 APPENDIX H MANUAL REVISIONS cecccceccececeeeeececeaeceeeeeeeeeaaeaeeeeeeeceseaaaeaeeeeeeesecaaaeaeeeeeeesesenaeeeeeeeeeeeesnnaness 28 iv 05 21 2009 TS 3200 User s Manual Technologic Systems 1 Introduction The model TS 3200 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 3200 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
18. TS 3200 User s Manual A HA 7 aa Technologic TS 3200 User s Manual Technologic Systems x Technologic S Y S T EM S Technologic Systems Inc 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 21 2009 All modifications from previous versions are listed in the appendix Copyright O 1998 2001 by Technologic Systems Inc All rights reserved ii 05 21 2009 TS 3200 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 Technologic Systems will repair or replace the defective unit during this warranty period 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 liable or res
19. 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 console redirection to COM2 regardless of the state of jumper JP2 If a video board is present all console input is disabled and the TS 3200 will only accept input from a standard PC keyboard 17 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 www embeddedx86 com 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 3200 Embedded PC please let us know Details for contacting us are listed in the front of this manual 19 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix A Board Diagram and Dimensions Figure 6 Board Diagram Figure 7 Board Dimensions standard PC 104 8 bit module dimensions Coming Soon Coming Soon 20 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix B System Memory Map Resource Starting Address Size Hex Decimal Extended Memory RAM 1M 100000h 1024k BIOS 64k Shad
20. al to a standard PC memory map The TS 3200 can be ordered with 16MB or 32MB of SDRAM but it is not field upgradeable If using DOS then the 7 Megabyte of extended memory can be used as a RAM disk by adding 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 3200 The top 128 KB of Flash are reserved for the BIOS and DOS ROM 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 flash memory can be populated using a 2 MB chip instead of a 1 MB This option provides additional storage space and is less expensive than adding an 8 MB DiskOnChip module The physical Flash memory is accessed by the BIOS in protected mode at memory address 52M 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
21. de for DOS e Linux The TS 3200 is shipped free of charge with Embedded DOS ROM by General Software The TS 3200 can be shipped upon request with Linux pre installed for a nominal fee The Linux file system and kernel is also freely available on the web should you wish to install it yourself The Linux OS requires a 16MB or larger Compact Flash or an M System s DiskOnChip 5 05 21 2009 TS 3200 User s Manual Technologic Systems 3 Power The TS 3200 requires regulated 5VDC at 375mA typical A quick release screw down terminal block for the 5V power and power GND connections is provided for easy connection to an external power supply When power is first supplied to the TS 3200 the board mounted LED is immediately turned on under hardware control Once the processor begins execution the LED is turned off The LED then turns on then off to provide a characteristic blink during execution of POST 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 3200 Be sure to use a regulated 5VDC power supply 4 Memory 4 1 SDRAM The TS 3200 has a total of 8 Megabytes of high speed SDRAM providing 640 KB of base memory 7 Megabyte of extended memory and 128 KB of shadow RAM for the BIOS and DOS ROM This is identic
22. display used For most displays a straight through type ribbon cable can be used The connector on the LCD display is typically mounted on the backside of the display Warning using an incorrect cable or mounting the LCD connector on the front side can result in a reverse power polarity and can damage the LCD display Please refer to your LCD data sheets for in depth information The TS 3200 BIOS incorporates a fairly complete set of INT10h video routines that work with the LCD Once the LCD has been enabled INT15h Func B042h see Appendix D the LCD can be written to Function Comments using the standard BIOS routines This includes the Y 5 1 LCD 5V majority of PC languages such as C and C See 2 LCD GND the programs included on the utility disk for l examples RS Register Select A0 I O addresses 2 4 6 8 10 12 14 4 Bias 680 Ohm to GND 72h and 73hare 1 3 5 7 9 11 13 5 EN LCD Enable Active High used to access Figure 5 LCD Header Pinout f l the LCD Figure k WSS Wine Rete LOW 5 shows the header pin out while Table 2 lists the 7 LCD_1 LCD signals The section below will briefly describe 8 LCD_0 the LCD interface signals 9 LCD 3 The RS signal is simply the buffered AO address 10 LCD 2 line Thus reads and writes to 72h cause register z LCDO LCD7 Buffered select to be low and those to 73h cause it to be LCD_5 bi directional data bus high Generally the LCD uses this line to separate LCD 4 data bytes from co
23. e endian eed vie etn eerie vi 8 5 4 Adding Serial POTIS ti i ee eae hae ake cliente Hevesi Me Neate Rate ee Sebi eee 9 6 DIGITAL VO sree cases cect ees tr a ea A A e a A aid heeaes 10 6 1 DIO1 Header aner tee ceee dese cse a ai 10 6 2 DIOR ACA a cnet siti ans san EAN AE P caren E A T EAEE EA E E E tude hss ca3e 10 6 37 Using ECD Port as Digital MO iii ao ii 11 7 ECD INTERFACE irii tacuccarioaitc atone dedo da a ida pies wide reddit da Meets 11 8 MATRIX KEYPAD SUPPORT coca lata 12 9 REAL TIME GEOCK ito a da A ia iS ets 12 10 WATCHDOG TIMER AND SOFTWARE RESET ccccccceeeeceeceeeeeeeeeceecaeeeeeeeeeseccaeaeceeeeeseeenaaeaeeeeeeesenenaees 12 DiS ED A 14 12 JUMPRERS lt a seal toes la a oot aha aed alas DR aad beans rae a dla pA eds a a Saal Ns 15 13 PC 104 BUS EXPANSION Hiatt tec cadets ett et avec ated beta th A a wel Beat a ball ahh ath vain hats 16 14 LOADING OR TRANSFERRING FILES 00 0 ccecececcceceeeeeeeeeeeae cece eects ceaaaeceeeeeeesecacaeeeeeeesesecaeeeeeeeeeseesncaneeeees 17 14 1 Developing with Technologic Systems TS 9500 occ eeeeeeeeeeenneeeeeeeeeeeeneeeeesaaeeeseeeaeeeseneeeeesaeeeseeaeeeenneeeeseneeeeseaas 17 14 2 ZMOdEM DownloadS cion At ici 17 14 3 Manufacturing Mode cotilla each idea de adage 17 19 1 DEBUGGING costa id 18 15 1 Integrated BIOS Debugger isores eiieeii dd A di 18 15 2 Using Other debugIE Ke E E EEEE dai 19 16 VIDEO KEYBOARD AND CONSOLE REDIRECTION coocccocococoncnnnccnnnnononnnnnnnncnnnnnnonn
24. eaders 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 i 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 is not supported on the TS 3200 Full Duplex is supported by the TS 3300 and TS 5300 products 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 8 05 21 2009 TS 3200 User s Manual Technologic Systems transmitter and receiver share a single pair of signals that are available on pins 1 and 6 of the COM1 10 pin header as well as
25. echnologies 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 14 3 Manufacturing Mode The TS 3200 has a special feature 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 3200 and COM1 or COM2 of your desktop computer Next the TS 3200 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 3200 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 SyYS 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 17 05 21 2009 TS 3200 User s Manual Technologic Systems Where lt PATH gt is the full path to the location where you copied the MFGDRV SYS driver and X is the port on your host PC that the null modem cable is connected to 1 or 2
26. for those special features that differentiate your product Technologic Systems can provide technical support as well as a free quotation for any custom hardware software or BIOS modifications you may require This manual is fairly short This is because for the most part the TS 3200 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 3200 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 2 1 Operating Systems 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 UCos Il e RTKernel On Time Software e RTEMS On Line Applications Research Corporation e DOS with WATTCP public domain TCP IP source co
27. herals Table 6 TS 3200 I O Map 22 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix D BIOS Interrupt Functions We have extended the standard BIOS interrupts with several functions that simplify interfacing with the TS 3200 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 Boooh 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 that executes on your desktop machine but does not when the program is executing on the TS 3200 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 3200 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 Func
28. ix D Once enabled standard keyboard BIOS functions are enabled Note that console redirection and the matrix keypad support are mutually exclusive console redirection must be disabled to use the keypad A matrix keypad can be used with console redirection only if the keypad is not used as stdin but read from as a hardware device This is useful if one wishes to use console redirection or to use a keyboard as stdin See the utility diskette for example code When enabled the DIO2 signals DIO2_0 through DIO2_7 are not available as general I O 9 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 of battery backed RAM index 60h through 7Fh are not used by the BIOS and are available for user applications 10 Watchdog Timer and Software Reset The Intel 386EX contains a 32 bit watchdog timer WDT unit that can be used as a watchdog timer or as a software reset function 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 peri
29. mmand bytes See your LCD data sheet for details LCD_7 LCD_6 Table 1 LCD Header Signals The WRY signal is an active low write enable line 11 05 21 2009 TS 3200 User s Manual Technologic Systems EN is an active high signal raised whenever the LCD addresses are being read or written DO D7 are bi directional buffered copies of the data bus and carry all data and commands to the LCD Figure 5 is not the standard pin outs given for LCD displays But this pin out allows a standard ribbon cable to be used when the ribbon cable is attached to the backside of the LCD Example code for the LCD display is on the utility diskette for the TS 3200 8 Matrix Keypad Support The DIO2 port signals DIO2_0 through DIO2_7 may be configured to support a 4 x 4 matrix keypad When enabled BIOS firmware performs all the work making the matrix keypad appear as a simple 16 key keyboard to software This allows the use of standard keyboard access routines The default set of keys translated by the BIOS consists of 0 9 A D and Because the user is writing the software this set of keys is usually sufficient However a custom translation table can be loaded allowing the use of function keys arrow keys or any other key on the keyboard Please see the sample code included on the utility disk for further information on the translation table Matrix keypad support is enabled or disabled using INT15h Function B040h see Append
30. nnnnnnnnnnnnnnnncnnnnnnnannnnnnnnos 19 17 FEEDBACK AND UPDATES TO THE MANUAL 0 0 cccceceeeececeeeee eaaa a a a aa a aa d a aa a aa aE 19 APPENDIX A BOARD DIAGRAM AND DIMENSIONS 000 2 ec ee ceceeeeccece cece eee ceae cece erence ceacaeeeeeeesesecacaeeeeeesessecaeeeeees 20 APPENDIX B SYSTEM MEMORY MAP isard ie ihoia ieda a eani daara aiia daak aeeai 21 APPENDIX C SYSTEM VO MAP rae Acts tee a a aaa ante aa ia ana e aa ae aaa aa ora N eT aa a Eida 22 APPENDIX D BIOS INTERRUPT FUNCTIONS cccccceeeeeeeecee cece eect eeceeaaeceeeeeeeseceacaeeeeeeesesenaaeaeeeeeeesetsnneeeeees 23 Int 15h Function BOOOh Technologic Systems BIOS information 0 cccccccccescececeeeeeeeeeeeeeeeeeeeeaeaeeeeeeesesenaeeeeeeeseseesaees 23 Int 15h Function BO10h LED Control nsss hi skeet e a e geek deed eaea a a a 23 Int 15h Function BO40h Matrix Keypad Support cccececccce cece ceeeeeaeceeeeeeece eae cece eeeeseaaaeaeeeeecesecaeaeeeeeeeseeceeaeeeeeeeseeeeaees 24 Int 15h Function B042h Alpha Numeric LCD Suppott cccccceceececeeeeeeeeeeaeeeeeeeeeeeneaeeeeeeeeesecaaaeeeeeeesenenaeeeeeeeeeeeeeaees 24 Intrt5h FunctioniBO21A IPS StatUSiitusarenn dt aaa a edee hrane da eraa a eaae ash eaneageenenatantentnn 24 Int 15h Function BO20h Jumper Pin Status ccccccccecccececcce cece cece eee ae cece ee eeee eae cess ees seaaaeaeeeeeeesecaeaeeeeeseseeceaeeeeeeeseseeaees 25 APPENDIX E DIRECT CON
31. ntel386 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 with 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 I 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 I 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 l O address space Register I O Address Description P1CFG 0F820h Port n Mode Configuration P3CFG 0F824h Each bit controls the mode of the associated pin read write 0 Selects I O mode 1 Selects peripheral mode P1DIR OF864h Port n Direction P3DIR OF874h Each bit contr
32. oard 15 1 Integrated BIOS Debugger To provide simple direct access to the TS 3200 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 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 As aboot action
33. odically feed the WDT by writing to a specific I O location WDTCLR The value loaded into the 32 bit down counter WDTRLDH and WDTRLDL allows timeout values as high as 170 seconds This value will be referred to as the Reload Constant The 32 bit Reload Constant determines the maximum time allowed between each Watch Dog Feed After the WDT has been started it cannot be turned off and the Reload Constant cannot be changed This makes it impossible for a crashed program to cause a system to hang The following steps outline how to start the Watch Dog Timer 12 05 21 2009 TS 3200 User s Manual Technologic Systems 1 Write to the upper 16 bits WDTRLDH at OF4COh of the reload value the number of clock cycles before the watchdog timer times out followed by a write to the lower 16 bits WDTRLDL at 0F4C2h of the reload value 2 Perform a Watch Dog Feed Write 2 sequential words OFO1Eh followed by OFE1h to the watchdog timer clear register WDTCLR The WDTCLR is located at OF4C8h 3 Software must periodically perform step two the Watch Dog Feed before the watchdog timer times out to prevent a system reset Each increment in the value of the upper 16 bits WDTRDH of 32 bit Reload Register adds 2 62 mS to the Watch Dog Timeout Value The lower 16 bits WDTRDL are insignificant and can be loaded with zero This fact allows the following simple method of calculating a Reload Constant assuming a 25
34. ols 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 input or an open drain output P1LTC 0F862h Port n Data Latch P3LTC 0F872h 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 an 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 POPIN Foron 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 8 386EX I O Port Registers 26 05 21 2009 TS 3200 User s Manual Technologic Systems In the default configuration
35. 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 3200 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 3200 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 keyboard 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 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 disk or from the Technologic Systems web site If
36. ow RAM FO000h 960k DOS BIOS Extension 64k NUO RANI E0000h 896k PC 104 Bus 32k D8000h 864k DiskOnChip or SRAM or PC 104 Bus 32k D0000h 832k PC 104 Bus C8000h 800k 32k PC 104 Bus O Typically video BIOS Co000h 768k PC 104 Bus 128k Typically video memo E y A0000h 640k Lower Memory 640k RAM 00000h 00000 Figure 8 TS 3200 Memory Map Not to scale 21 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix C 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 PC 104 expansion bus FOOOh FFFFh 400h EFFFh 3F8h 3FFh 2F8h 2FFh 198h 19Fh 140h 15Fh 80h FFh 07Eh 07Dh 077h 075h 074h 072h 073h 070h 071h 000h O6Fh Hex Address Resource Internal 386EX Registers PC 104 Bus Not recommended for use COM1 COM2 Used by TS 9300 and TS 9500 Daughter Boards User Chip Select Pin B19 on PC 104 Bus Internal 386EX peripherals DIO2 byte wide port Control Latch for DIO2 and LCD Ports Jumper Register Read Only Bit 1 set JP3 installed Bit 2 set JP4 installed Option Code Read Only Bit O set SRAM option installed Bit 1 set RS 485 option installed Product Code Read Only Bits 0 2 001 TS 3100 010 TS 3200 011 TS 3300 1xx reserved LCD Port RTC and CMOS memory Internal 386EX perip
37. ponsible 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 3200 User s Manual Technologic Systems Table Of Contents LIMITED WARRANT Vistnaiaitad die di he di ia dared adler a A a i ed eee Il 1 INTRODUCTION titi laden teas h ved Quad titanic 5 2 PG COMPATIBIENEY 2000000 ane face ake eed ghee ce ts deg lets ges Ace aad ned ke eae an ceeee doesn age teens 5 2 1 lt Operating Systems cit ii 5 3 POWER e de tata iin etd adn ce Soh tah nn redid wall dn Atta lin e aly dn e tah ados 6 4 MEMOR YE 032 eh ie a ae as et lee ae Neale eee a Mea ee e A Beet eras 6 Aid SDRAM ada 6 4 amp 2 li A A A A ete ata 6 43 ElashEXPansi N ida deta aa ected wnat SR seta tad SRS nett donada da SR cad da 7 4 4 Battery Backed SRAM occ 7 5 SERIAL PORTS cisma A A eee edd ieee a dod edd eed ee eat ie 8 5 1 Serial Port Configuration R GIStMrs 2 s cccsevscressedsceceeenteeteseeceesabanseeesbodedeuunensseusadseectnaehdectnadecedinensioeneesgent eenbeeetsacos 8 5 2 Serial Port Hard WTO teclat ent sete sects dll each tes av ld hada soe ah ced sols tat beaks iio 8 5 3 ES A vier nient
38. t flash card Now you can compile debug and execute right on the TS 3200 target The TS 9500 also provides full VGA video keyboard and mouse interfaces necessary to work within most environments 14 2 Zmodem Downloads Using the Zmodem protocol to send files to and from the TS 3200 is simple and straightforward The only requirement is a terminal emulation program that supports Zmodem and virtually all do If you are using Windows 95 or later for your development work the HyperTerminal accessory works well To download a file to the TS 3200 from your host PC execute DL BAT at the DOS command line on the TS 3200 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 3200 to your host PC execute UL BAT lt FILENAME gt at the DOS command line on the TS 3200 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 3200 side is called DSZ produced by Omen T
39. times a day you have over 27 years before any problems would occur Reading the SSD produces no wear at all The flash drive is read only when JP3 is not installed See Section 12 for more information 6 05 21 2009 TS 3200 User s Manual Technologic Systems 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 8 MB up to 288 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 A DiskOnChip of 16 MB or larger is required for the TS 3200 to run under Linux For the TS 3200 Technologic Systems offers a complete Linux Operating System configured for a small footprint that runs under the Linux kernel When using the DiskOnChip it will simply appear as drive C The DiskOnChip uses the 8 KB range of DO000h through D1FFF in memory space If you are installing a PC 104 daughter card that uses memory mapped 1 0 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
40. tion 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 23 05 21 2009 TS 3200 User s Manual Technologic Systems Int 15h Function B040h Matrix Keypad Support This function is used to enable and disable support for the matrix keypad When enabled the RTC periodic interrupt IRQ8 INT70h is enabled at 256 Hz and hooked to the keypad scanning routine Disabling the keypad reverses this process IRQ8 is turned off and INT70Oh is returned to the original standard BIOS function The default translation table consists of the following O 9 A D and A custom translation table is 16 words long where each word is a scan code ASCII pair for a key Information on scan codes can be found in books on IBM PC hardware Example programs are included on the utility disk See Section 8 for further details ENTRY AX B040h BH 00 Disable matrix keypad Enable matrix keypad Enable matrix keypad with a custom translation table CX Translation table segment if BH 11 DX Translation table offset if BH 11 EXIT CY 0 carry flag AH 00 Int 15h Function B042h Alpha Numeric LCD Support This routine enables and disables the console on the LCD interface It supports
41. tting 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 write procedure to change these bits The following example in assembly illustrates this MOV DX OF836 load the I O address IN AL DX read the configuration register OR AL 00000001b switch COM1 to the 12 5 MHz clock OUT DX AL write the register Neo Ne Se Ne Appendix G Further References Technologic Systems Web Site http www embeddedx86 com Intel 386EX User s Guide http developer intel com design intarch manuals 272485 htm Maxim Integrated Products http www maxim ic com Omen Technologies http www omen com PC 104 Consortium Web Site http www pc104 org 27 05 21 2009 TS 3200 User s Manual Technologic Systems Appendix H Manual Revisions 11 01 01 New manual 11 29 01 Revised DIO section Meaning of Bit 4 lO loc 7Dh changed polarity 05 21 09 Updated mailing address 28 05 21 2009
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