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HSM/320 & /520 Technical Reference

1. HEADER A JMP 4X2 2 A8 J 7 B AM pe PROTOTYPE AREA BYPASS CAPS HEADER 8 PROTOTYPE POWER SYSTRONIX INC b55 SOUTH 300 EAST 21 SALT LAKE CITY UT 84111 EL 801 534 1017 FAX 801 534 1019 TTP WWW SYSTRONIX COM itle HSM KISS PROTOTYPE AREA Size Document Number Rev HSMK PRO 0 1 B Monday October 28 1996 Sheet 5 of 8 E b 4 J RE C12 C13 22 UF 100 NF 220 WITH GROUN VW DA UTPU o ___ DcINP_RAW HEADER 2 1X2 POWER HEADER SYSTEM CAN BE POWERED BY JP15 HEADER OR BY P2 JP1 AND SUPPLY POWER TO JP15 EL 801 534 1017 FAX 801 534 1019 TTP WWW SYSTRONIX COM HSM KISS POWER SUPPLY Document Number HSMK_PWR Date Monday October 28 1996 Sheet o 7 SUPERCAP L R1 4 65V RESET ICCBAT 5 UA MAX TYP 50 NA 1 DCINP RAW TI 39 K RP1D 742 083 10K Nk REPET Dem RP1B RP1A 742 083 10K 742 083 10K SW KSR211G NOTE 1 CA AD MODE EL 801 534 1017 FAX 801 534 1019 TTP WWW SYSTRONIX COM HSM KISS CONTROLLER SUPERVISOR amp RESET Document Number HSMK_RST Date Monday October 28 1996 Sheet oo e 7 JMP2 JP19 1xb1 Dto NOTE 2 742 083 10K C10 4 7UF RP3B 2 H 742 083 10K Ee IXDO E INNO CORE N RS232 ro o i RP3A MAX232A 1 8 CDI JP18 JMP2 8 Ke RXD1 232 RXD1 IND i Me ICO 00 Co NI PO JMP2 JP3 JP2 1x0 Lan o2 2o ot RXxbo NOTE 2 JMP2 SYSTRONI
2. INT2 4 high input are tied to jumper block JP8 By default none of these inputs are connected to the High Level pushbutton switch S3 By placing jumpers on JP8 you can connect one or 28 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix more of the interrupt inputs to the pushbutton The ability to drive more than one interrupt input simultaneously helps debug interrupt conflicts E Using and Modifying HSM 320 I O and the Prototype Area HSM 320 is designed to have no built in limits in terms of its I O We ve provided some useful basic I O such as dual RS232 ports but you can easily modify some or all of these to suit your needs LED Test Points T2 and T3 if driven low will cause LEDs DS and D6 respectively to light Only 1 mA of sink capability is needed so these test points can be driven by a controller port pin Serial I O All serial I O connections can be cut on the bottom of the board RXO TX0 RXI and TXI are all labelled You can cut the trace between the pins and rewire these signals to the device of your choice in the prototype area For example you could connect COMO to an RS485 transceiver and leave COMI for serial loader use Use the jumper block on top of the board to easily reconnect the cut traces at any time Interrupts All interrupts are disconnected from the pushbuttons unless the JP8 or JP9 jumpers have shorting blocks installed If you aren t using the switches S3 a
3. maximize performance fromthe 8 3 MIPs 128 KBytes radical new Dallas High Speed Micros It delivers true zero wait NVRAM i 2 UARTS A state 33 MHz performance SYSTRONIX 801 534 1017 www systronix com 5 13VDC power input on board voltage regulator All processor ports brought out to clearly labelled headers Dual UARTs dual RS232 ports 2 test pushbuttons high amp low and 2 test LEDs need only 1 mA drive Generous prototyping area for SMT WI n d OWS RAD 5 1 Easy program loading from a PC serial port No jumpers to change assem bler amp IDE or chips to unplug Use our BCISIPRO BASIC compiler ornew RADS1 Only 99 1 19 assembler and IDE Accept no substitutes Take no prisoners SOIC wide and narrow and through hole DIP SIP amp ZIP 128 KBytes NVRAM true zero wait state 33 MHz performance Powerful serial loader amp utility EPROM Assembler and example programs Standard 100mm by 160mm size Technical data and secure on line ordering atwww systronix com What are Dallas High Speed Microcontrollers Dallas High Speed Microcontrollers HSMs are high performance low power CMOS 8051 code compatibles with a radical new processor core Instead of a generic 8051 s 12 clocks per instruction cycle the HSMs complete an instruction cycle in only 4 clock periods Combine that 3X performance boost with clock speeds up to 33 MHz and you ve got an 8 3 MIP CMOS cont
4. hence the name null modem You can t use a null modem cable with HSM 320 4 If you have an oscilloscope or logic probe connect it to TX1 Port0 3 This is labeled on the header JP6 This signal is the output from the 80C320 CMOS levels and is not the RS232 voltage levels At 19 2 kbaud bits are 52 usec wide so set the oscilloscope time base to 50 to 100 usec per division Now when you press and hold the LOAD pushbutton you should see a brief burst of characters on TX1 This is the loader printing the opening prompt to HSM 320 COMI This verifies that the loader is sending serial information from the controller to the RS232 level translator 35 a HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix You must push the load pushbutton and hold it for more than 500 msec to trigger load mode Each time you push the button in this manner the loader should emit a brief burst of serial characters the opening prompt If TX1 stays high then for some reason the loader is not starting up i Check the board power at a VCC and GND test point Is it getting 5 volts 5 4 75 to 5 25 volts DC ii Is the ALE strobe oscillating This indicates the processor is operating If not is the crystal seated in its socket Absence of ALE indicates an inoperative controller chip most likely due to a power or crystal problem 5 Next check the RS232 level translator carefully probe pin 7 of U12 the Max232 BE CARE
5. prai ees GU X ba es A EE RR peur RN PE Liceat 29 VCC and GND in Prototype Area 29 lB Oe HEET 29 JA RUN LI Decode cas cius d RS teas pex MS NND da EE 30 DALLAS HIGH SPEED MICROCONTROLLERS serere 31 High Speed Microcontroller Data SHEeds ia uoa e e re euin Cr Re Gaus es 31 What s Different About the HSM Family 31 Port Ovens ae e dee A SE DATA aio 31 Memory i bleu 31 SODES ten E e EE ques asa dus ies 32 MAAS EOC EIS e doris eae SS wit 32 Power Supply and Reset Circuitry ursa eer eke aah EE Ee aed 32 Additional Features xime cott daas dE ERR das qa eu edu Ou Ud 32 TROUBLESHOOTING amp DEVELOPMENT TIPS eee 35 No Serial Communication between PC and HSM 320 LL 35 SE ECH 37 Learning Assembly Code and Embedded Programming nunen 37 Exception andis as 2 ST eR E Sa Bas COISAS EES ERRA PO RI RAS 37 Quick Diagnosis Tables zs adeo cte ane tela i ae Caw e acit 38 KEEN 39 HSM 320 SCHEMATICS as SAS SATER p AR E A 41 ili HSM 320 amp 520 Dallas High Speed Microcontroller Development System Prototype quickly using the new Dallas High Speed Microcontroller Family with the HSM 320 amp 520 from Systronix July1999 version now supports DS87C520 at 33 MHz Includes enhancedfirmware plus new RAD51 IDE amp assembler IK E GA Th e h ot new Whatare you waiting for Kick your 8051 application into warp HSM 320 amp 1520 drive HSM 320 was designed with a clean sheet approach to
6. 320 SRAM Confused The 1 Kbyte of SRAM which is physically internal to the DS87C520 is nevertheless accessed with movx instructions so it is treated by the controller as external data memory Application code can t tell any difference between the DS87C520 SRAM and physically external SRAM The total xdata address range is still 64 Kbytes you don t get the 64 Kbytes of external SRAM plus the internal 1 KByte However you could turn on the internal SRAM write to it disable it and use the external SRAM When you need to access the internal xdata memory Just enable it again With the internal xdata memory and the 16 Kbytes of EPROM the 87C520 is capable of storing and executing fairly large applications in single chip mode with no external memory BCI51 and DS87C520 as a Single Chip Design If you are using BCISI Pro to compile a BASIC program for the DS87C520 in single chip mode you will need to modify the BCISI startup code to enable the internal xdata SRAM 1 Kbyte is enough for the BCI51 serial I O buffers plus several hundred BASIC variables If you don t find this information on our web site email us support systronix com for the details HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 DETAILED DESCRIPTION E Philosophy and Purpose of HSM 320 There are a lot of 8051 development boards
7. For example one new NT workstation here at Systronix World HeadQuarters WHQ does fine with a 33 MHz HSM at 38400 baud while another identical workstation occasionally receives garbled characters HSM Loader Demonstrator Baud Rates Crystal 60 120 240 480 960 1920 3840 57600 0 22 1184 300 Y Y Y Y Y Y N SE MHz 14 7456 150 Y Y Y Y Y N MHz 11 0592 150 Y Y Y Y Y N N MHz 10 000 Y Y Y Y Y Y Y N MHz 20 000 Y Y Y Y Y Y Y N MHz 40 000 Y Y Y Y Y Y Y Y MHz Starting and Connecting to the Loader Demostrator The HSM serial loader demonstrator uses the HSM second serial port COMI on the HSM board If your board uses an external EPROM for the loader it typically resides in a 27C256 EPROM or equivalent Your board s ROM select jumper must be in the EXT position to drive the HSM s EA External Access pin low Normally we ship all boards with this jumper in the EXT position so we can test the loader If your board has the loader in internal EPROM then the ROM select jumper must be in the INT position Connect your computer or terminal to the development board with the appropriate cable connected to the correct development board serial port Set up your PC communications for RS232 XON XOFF 8 N 1 and 19200 baud you can increase the baud rate later Put your 18 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix board into LOAD mode usually by pressing and holding the LOAD pushbu
8. Pro with HSM 320 for more information Check into our Web site for the latest news on the HSM support in BCI51 PRO 2 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix This is not exactly errata it s more of an unavoidable quirk but here it is The loader W command writes to memory or I O space using the movx instruction It also attempts to verify what was written by reading at the same address This will find memory problems or some memory mapped I O register problems However some memory mapped devices are write only or for other reasons don t allow you to read the same data you wrote In that case you ll see a loader warning about a verify failure That s the quirk the verify failure may not be real for your specific I O device la Terminology in This Manual We use a fixed pitch font to represent what you see or type on your PC C HSMK ASM BLINK We use the pointing hand to call attention to something worthy of special note such as a common pitfall or interesting feature of HSM 320 EH What You Need to Use HSM 320 To power up the HSM 320 board you need a 6 12 VDC unregulated source such as the Systronix 45003 6VDC 800mA power cube shipped with all but the lite version of HSM 320 If you use your own cube be sure the center terminal of the 5 5 x 2 5 mm jack is positive 6 to 12 volts DC The sleeve is negative An AC power cube could damage HSM 320 Jf To connect HSM 320 to your PC seria
9. This Manual cassa sera Mag sq aerea aria CE e Ehe e 3 What You Need to Use HSM 320 srs a a Mei e SE ai 3 Ouick Start Step by EECHER 4 HSM 520 Differences and Considerations 6 DS87C520 Code Memory Selection disabili Rx va EE 7 DS87C520 Data Memory Selection aed Area x be Ee RED PX eta fi BCI51 and DS87C520 as a Single Chip Design lait ds 7 HSM 320 DETAILED DESCRIPTION aan lia 9 Philosophy and Purpose of HSM 320 LL 9 HSM 320 EE H HSM 320 Features par Mao EEN E AE 10 Loader and PLD Options and Updates 0 0 cece eee eens 11 Systtomx Web Site do Porn EE 11 Getting Technical Support d hay wale d oleae m RUE re de eR e DE a Ca Ree 11 Installing and Using the BCIS1 Pro Basic Compiler sees 12 BCI51 Pro and the HSM Family i ves sided adds E oe EH UENIRE 12 HSM 320 Example Program Elles 3 605 op 3er yeu S IO E ERR 12 File Extensions SRL and INC iusque vex Kee EEN EA aun a 12 First Program S Loco eis PIU te AD q Ead edad taeda IRAK arc a 12 Installing and Using the Windows RADSI IDE amp Assembler 14 Installing and Using the DOS ASI Assembler 2 0 0 eee eee eee 15 Invoke A51 With a Batch File n ea 15 HSM 320 Memory 2302 sas pose the EEE siae idee Poldi 15 HSM 320 Memory Map in Load and Run Mode eese 15 Serial Loader 100 Non intrusive in RUN Mode 16 THE SERIAL LOADER amp DEMONSTRATOR 17 Despina Leivi lion UE ord as deo oe sr dio 17 What is th
10. a DB9 extension cable is available from Systronix at 801 534 1017 or www systronix com HSM 320 COMI is the added UART of the Dallas 80C320 and is used by the serial loader for program loading HSM 320 COMO is the normal UART available in most every 8051 and is not used at all by the serial loader HSM 320 must use COMI for loading but you can use any available PC COM port Start a terminal program such as Hyperterminal set the communication parameters to your desired baud rate start with 9600 or 19 2 kbaud Set other communication parameters to direct connection not through a modem 8 data bits no parity 1 stop bit Xon Xoff flow control A Hyperterminal dialog box is shown to the right Be sure to set the terminal software COM port to the correct port on your PC Save these settings Now open a connection in the terminal software usually with a connect command or button Wait a second to give the terminal program time to establish the connection to HSM 320 Now press and hold the LOAD button for more than half a second The LOAD button is next to the red LED When you release the button the red LED should remain lit If instead the green LED lights you need to hold the LOAD button longer before releasing it HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix E Note that your board may have a factory test program left in it so don t be alarmed if it emits 6 7 serial output in RUN
11. application right off the bat but please run one of the supplied sample programs first This will verify that your PC cable hardware and installed software are all working together and that you understand the complete assemble or compile and download process Most of the problems people have getting started are serial cable or PC serial communications related So be sure your PC serial port is properly connected and configured We test every HSM 320 and its serial port is quite rugged so it is highly unlikely that the HSM 320 serial port is the problem Refer to the troubleshooting section for more tips Remember use a straight through serial cable not a null modem cable and connect to the board s COMI not COMO Then send the loader a carriage return M 13 decimal 0D Hex or 0x0D usually the enter key More than half of the support calls we receive are related to these simple issues usually because a new user didn t even read the quick start section of this manual Obviously you re not making that mistake give yourself two points HHSM 520 as an EPROM based OEM Controller Perhaps the HSM 320 is ideal for your development but you want to install your finished system and never have to worry about losing the program even after several weeks without power There is a way to do this if 16 Kbytes of code is enough for you The DS87C520 controller has 16 Kbytes of EPROM and 1 Kbyte of SRAM so it makes a very capable
12. as RUN it is actually FXXX L and T4 is RUN L Recommended Peripheral Addressing Many peripheral devices use 8 address data lines plus chip select and read and write strobes If all eight address lines are used inside the peripheral it will have a 256 byte address space Therefore it s convenient to only decode the upper byte of the HSM s address into 256 byte I O blocks at FOXX FIXX F2XX FFXX You can do this within a low cost 16V8 type PLD with 8 address inputs A15 A8 A PLD is available from Systronix with 8 256 byte decodes at FSXX FOXX FAXX FFXX Protecting Processor Pins from Static or Under voltage If you will be accessing machinery or equipment attached by cables to the address and data busses of the HSM controller you will need to buffer them or at least protect them against static or under voltage conditions before they leave HSM 320 Do not wire controller pins directly to a cable which drives a printer or other device Page 60 of the 1993 Dallas Soft Microcontroller Data Book shows a combination of schottky diodes and 1K ohm resistors to protect processor port pins from negative voltages Other application notes on pin protection are available from Dallas Semiconductor and Systronix Alternatively ICs are available with active clamping and current limiting One such device is the Texas Instruments TL7726 hex clamp As the name implies it has six inputs which provide protection for six I O lines It is intended
13. cable pin 2 TXD and pin3 RXD swapped Start a communications program such as Windows Terminal Procomm or similar on your PC Set the baud rate to 19 200 with a data format of 8 N 1 simple ASCII terminal emulation Connect the power cube to HSM 320 Press the LOAD switch for about one second and the red LOAD LED should turn on and you will see a sign on message on the PC similar to this yours may vary with new loader versions 320 gt Unified HSM HEX LOADER amp DEMONSTRATOR Rev xE 00 C 1996 1999 SYSTRONIX INC Type for command help 320 gt If you enter a question mark for help you should something like this the exact appearance will depend on your loader version Loader commands are described in detail in another section of this manual 13 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Loader Commands L load intel HEX file D I R display content of idata or SFRs DX start end display content of xdata V verify HEX file w memory T toggle HEX file echo I toggle all external interrupt enables C start end calc CRC 16 E erase xdata to OFFH F value start end fill xdata with value W I R adr val write val to adr in idata or SFR space WP port val write val to port WX adr val write val to adr in xdata or I O space R I R adr read at adr in idata or SFR space RP port read port RX adr read at adr in xdata or
14. character such as UUUUUUUUU QUICK DIAGNOSIS TABLE for all systems with HSM Uni auto bauding loaders SYMPTOM EXPLANATION SOLUTION no power to the development board no crystal on the microcontroller no serial communications from the development board to your PC Overloaded or shorted address or data lines Trying to run a 25 Mhz board at more than 25 MHz Your application is programmed for one crystal only You used the wrong crystal type Loader EPROM address and data lines are OK but notNVRAM address and data lines Serial buffers in RAM are accessing data memory which is not properly enabled 38 check power cube center is positive VCC GND shortin prototype area could be causing regulator shutdown Check that a crystal is both present and properly seated in the crystal socket Sometimes they work loose in shipping Ifthe crystalis installed ALE will pulse even without any code to execute press and hold LOAD button RED LOAD LED should be lit to confirm LOAD mode serial cable must be straight through is PC serial comm software properly configured Sendthe HSM boarda carriage retum enter key on PCs forthe HSM loaderto synch its baud rate to Start at 9600 or 19200 baud with a common crystal Ifloader won t even run beep out address and data lines look for shorts to each other or to power or ground in the circuitry you ve added Don t do this Order a true 33 Mhz version oft
15. commands and memory and address tests will not write into this reserved I O space 25 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix The HSM 320 PLD provides a decode of FXXXH asserted low You can use this FXXXH signal as an input into an additional PLD which will decode the I O space further A PLD which decodes into 8 blocks of 256 bytes each at FFOOH FEOOH through F800H is available from Systronix Alternatively you can use the FXXXH decode as the input into a decoder chip such as a 138 The prototyping area has a space for a DIP20 16V8 directly under the address line headers between the two surface mount prototype areas MExternal Memory or Peripheral Devices The demultiplexed low order address lines A0 A7 are brought out to JP15 and the multiplexed low order address data lines AD0 AD7 MCU Port 0 are on header JP13 The un multiplexed high order address lines A8 A15 MCU Port 2 are on header JP12 These signals are all used to access memory on HSM 320 You can easily add external memory or peripheral devices to the prototype area address them with A0 A15 and strobe them with WR RD and PSEN You will want to decode their chip select into the address space at F000H FFFFH to avoid conflicts with the HSM 320 NVRAM We ve provided a decode of this range for you on test point T1 between U7 and the voltage regulator US Note that some revision C and earlier HSM 320 boards incorrectly labeled T1
16. cycle value of O in all write accesses to on board data memory If you add peripherals to the prototype area you may need to use a slower write cycle when you access them Connect an oscilloscope to the WR strobe P3 6 on the Port3 header Run the A address line test or M memory test Adjust the scope for a convenient display of pulse width Now enter the command X 0 to change the stretch cycles to zero Run the memory test again watch the oscilloscope and you can immediately observe the difference in write pulse width WD write value to DAC HSM 550 only This command is only available on systems which have a DAC the HSM 550 Meaningful values are 0 FFF 12 bits 0 4095 decimal S signature If you don t read this manual you won t learn about this command since it s not in the on line loader help This command emits the signature of the authors of the serial loader It is located at the top of code memory in the serial loader so it is a good test of the integrity of the loader upper address lines Other new features See the readme file on disk or the loader help screen for information on new features which your loader may contain 24 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 HARDWARE ll Controller Installation A 40 pin DIP part has pin 1 located on the notched end of the socket closest to the serial port connectors The DIP40 parts have relatively fragile l
17. interrupt code should not perform any critical writes to the NVRAM Finally verify that your routine completes well before the worst case Vcc reset threshold You can use an oscilloscope to monitor the time at which your PFW routine drives an I O device and the time at which the controller reset signal occurs lnterrupts and Timer Counter Inputs The Dallas High Speed Microcontrollers feature six external interrupts Interrupt O is the highest priority When these pins are not being used in their special modes they can be used as general purpose I O pins Interrupt Pins INTO P3 2 low input Power Failure Warning when unregulated power input drops below approximately 6 volts This should be the highest priority interrupt in your program Jumper JP10 is provided to control the PFW to INTO connection By default they are connected whether a jumper is present or not This is because there is a trace on the back side of the board under the jumper To isolate INTO cut the trace on the back side of the HSM 320 circuit board Then you can use a jumper on the front of the board to re connect PFW to INTO INTO 1 3 5 low input are all tied to jumper block JP9 By default none of these inputs are connected to the Low Level pushbutton switch S4 By placing jumpers on JP9 you can connect one or more of the interrupt inputs to the Low Level pushbutton The ability to drive more than one interrupt input simultaneously helps debug interrupt conflicts
18. mode even before you load any program of your own We ve seen boards hold a program for more than a month proof that the MaxCap backup circuitry typically performs much better than its worst case design minimums If your PC serial port is connected through a straight cable TXD and RXD are not swapped and you press the LOAD button and then press the ENTER key on your PC you should see the loader sign on message The loader must receive a carriage return in order to synchronize itself to your PC s baud rate The message will look something like this The exact appearance may vary with your specific loader version Unified HSM HEX LOADER Rev D 04 08 31 99 C 1996 1999 SYSTRONIX INC Type for command help If you enter a question mark for help you should see something like this again the exact appearance will depend on your loader version 520 Loader Commands L load intel HEX file D start end dump HEX file V verify HEX file w memory T toggle HEX file echo I toggle all external interrupt enables C start end calc CRC 16 E erase xdata to OFFH F value start end fill xdata with value G get port values P val0 vall val2 val3 put valx to portx P except TXD1 RXD1 RD WR of Pl amp P3 WX adr val write val to adr in xdata or I O space WI adr val write val to adr in internal data space WR adr val write val to adr in SFR space RX adr read at adr in xdata or
19. not use hardware flow control so presence or absence of handshaking signals from your PC has no effect on HSM 320 1 Often people connect HSM 320 to a previously unused serial port on their PC a b If possible use a PC COM port which you know has recently been operating correctly with another known good serial device such as a modem or printer If you have a serial mouse or pointing device and you know it works swap your mouse COM port to the unused port and put HSM 320 on the former mouse port You will have to change your PC s configuration in order to do this Some notebook PCs ship with one or both COM ports disabled in the BIOS setup This increases battery life but prevents serial communication until the ports are enabled 2 Ona DOS or Windows 3 X PC another I O driver may be loading and interfering with the PC serial port you re trying to use a b C Check your PC s setup Try another PC Try using another known good COM port on your PC 3 You must use a straight through cable not a null modem cable a This means pin 2 is your PC s RXD HSM 320 TXD and pin 3 is the PC s TXD HSM 320 RXD Ground is pin 5 The pins are usually numbered molded into the plastic inside the DB9 shell it s very tiny print The schematics contain a detailed pinout of the serial connector A null modem cable has TXD and RXD swapped within the cable to permit connecting 2 PCs together as if there were a modem between them
20. single chip controller Systronix stocks both OTP and erasable versions of the DS87C520 Here s how to do it Develop with a DS80C320 installed or with a DS87C520 as long as JP5 is in the EXT position so that the loader is active When development is done burn your code into a DS87C520 and set jumper JP5 to the INT position Now after any reset or power up condition the DS87C520 will execute code out of its internal EPROM Your application will still have access to all the external data space of the board plus code above HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix 16 Kbytes 4000H and above To go back to development just move JP5 to the EXT position and the DS87C520 internal EPROM is ignored E Versions HSM 320 was developed in conjunction with Dallas Semiconductor to be a simple low cost 80C320 family development board The current revision of the circuit board is C HSM 320 is specifically designed to support the entire Dallas High Speed Microcontroller family in the DIP40 package Formerly called HSM KISS we changed the name in summer of 1999 when we added two important new capabilities First the new loader demonstrator is now auto bauding regardless of controller crystal and has many new features We changed to faster PLDs SRAM and EPROM to support the timing of the DS87C520 controller yes the DS87C520 has different memory timing than the DS80C320 The
21. to be used with an external current limiting resistor on each input Data sheets and application notes are available at the Texas 26 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Instruments web site www ti com Systronix stocks the TL7726 in both DIP8 and SOIC8 packages Testing HSM 320 After Adding Peripherals The loader M and A commands provide memory and address line tests respectively It s a good idea to run these after you add peripherals to your HSM 320 to verify that you haven t shorted address or data lines to power ground or each other iA HSM 320 Voltage Monitor Reset and NVRAM Control On board circuitry protects the NVRAM from invalid write cycles during power up and power failure conditions Board reset occurs at Vcc 10 or 4 50 volts nominal An early Power Fail Warning interrupt occurs when the unregulated power input drops below 6 volts The NVRAM is forced into low power data retention mode when Vcc drops by 5 and the controller is reset It is necessary that the system software not write to SRAM after the PFW interrupt The NVRAM data is maintained until its backup supply drops below 2 volts The 0 22 farad backup source is sized to provide two months of typical backup at room temperature and several days worst case at 70 degrees C with worst case memory chip standby current consumption Voltage Monitors The DS80C320 specifies minimum operating Vcc of 4 00 4 10 4 25 V min typ m
22. Accept no substitutes HHSM 320 Versions HSM 320 is available in 25 and 33 MHz versions as shown in this table These prices are in US and are subject to change at any time Check our web site online store or call for current pricing To create an erasable HSM 520 system please order a DS87C520 controller in addition to the HSM 320 Pro or HSM 520 development systems HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 amp 520 VERSIONS Version Crystal MCU Loader 128Kx8 control Power Docs Price PROM NVRAM PLD Cube 25 MHz Lite HSM 320 33 0000 80C320 45 nsec 55 nsec 10 nsec 6V 800 mA printed 149 33 MHz 33 MHz Pro HSM 520 33 0000 87C520 45 nsec 55 nsec 10 nsec 6V 800 mA printed 165 33 MHz OTP only 33 MHz HHSM 320 Features DIP40 socket for 80C320 family High Speed Microcontrollers a 128Kx8 NVRAM with MaxCap backup divided into a 64 Kbyte code page and a 64 Kbyte data page Backup retains code and data for two months typical at room temperature without system power On board circuitry protects the NVRAM from invalid write cycles during power up and power failure conditions 4 Kbytes of each are unusable since that is mapped as I O space On board serial loader accepts a HEX file from UARTI Leaves UARTO untouched Use any terminal program to transfer the file Does not use DTR to trigger load mode Serial I O RS232 on UARTO and UARTI RS232
23. FUL If you short pin 6 to pin 7 or to other pins of the Max232 with a scope probe you could permanently damage the Max232 device and or the HSM 320 controller This is because RS232 voltage levels exceed safe CMOS or TTL levels a C If the PC s TXD pin seems to be stuck constantly high or low try disconnecting the cable from your PC If you press keys on the PC or send a large file from the PC and see transitions on the cable while it is not connected to HSM 320 COMI then your PC cable is incorrectly wired and it is trying to drive HSM 320 s TXD line If TXD is toggling between at least 5V and 5V with the cable connected then RS232 serial data is getting out of the HSM 320 board and the problem is in your PC s serial cable or serial port or the configuration of your PC terminal software If TX1 was toggling and TXD is not even without a cable connected to your PC then the Max232 is damaged Contact us about return of your board for repair 6 Test the receipt of characters from your PC to HSM 320 a Connect a scope probe or logic probe to RXI Port0 2 In your terminal software open a connection to HSM 320 and hold down your PC s enter key You should see transitions on the RX1 pin Your PC serial cable needs to be connected of course If there are transitions then HSM 320 is probably receiving serial data OK Check that the baud rate and configuration usually 19 2 kbaud 8 data bits 1 stop bit XON XOFF flow control of
24. HSM 320 amp 520 Technical Reference Document Revision 2 0 MA Complete Reference to Using amp Programming the Dallas High Speed Micro Development System HSM 320 amp HSM 520 HSM 320 LIMITED WARRANTY The information in this manual is subject to change without notice and does not represent a commitment on the part of Systronix Inc Systronix Inc makes no warranty express or implied for the use or misuse of its products which are provided with the understanding that you the user will determine fitness for a particular application Systronix assumes no responsibility for any errors which may appear in this manual No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Systronix Inc Systronix reserves the right to revise this documentation and the software and hardware described herein or make any changes to the specifications of the product described herein at any time without obligation to notify any person of such revision or change TRADEMARKS Systronix is a registered trademark of Systronix Inc INTEL and Intel are registered trademarks of Intel Corporation Microsoft and MS DOS are registered trademarks of Microsoft Corporation Accel is a trademark of Accel Technologies Photoshop and Acrobat are registered trademarks of Adobe Systems
25. I O can be cut from the processor to enable wiring to a custom I O chip in the prototype area Early power fail interrupt provides time for orderly system shutdown On board regulator with heatsink 6 12 VDC input 5 5x2 5 mm power jack Push button high drives one or more of Int2 or Int4 jumpers select Push button low drives one or more of INTO 1 3 5 jumpers select LEDs to indicate load red or run green status Two LED test points LED lights when point is driven low Requires less than 1 mA of low sink capability on the driving source so can be driven by any port pin Microcontroller supervisor and reset circuitry with early Power Fail Warning interrupt to INTO can be isolated if you don t want PFW driving INTO Generous prototyping area for DIPs and also an SMT proto area Proto area has a power plane on the front side of the board and a ground plane on the back Multiple solder pads for power on the front and ground on the back make connecting your own chips quick and easy All processor signals brought out to headers labeled on both sides of the board for easy wiring and probing Serial loader accepts Intel Hex files from any terminal communication program The serial loader is active only in LOAD mode In RUN mode it is mapped out of processor memory and does not use any processor resources Our serial loader is completely non intrusive 10 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systroni
26. I O space M Memory test with exhaustive patterns A Address line test X value show change movx stretch value 0 7 Press any key to continue To send the file HELLO HEX to HSM 320 enter L at the loader prompt The loader then waits for a HEX file In Terminal use the send text file menu option and specify HELLO HEX as the file To run HELLO switch the serial port cable to HSM 320 COMO and press the reset amp run button The green RUN LED should turn on and your program should display something like this HSM 320 COMO at 19 HSM 320 COMO at 19 HSM 320 COMO at 19 HSM 320 COMO at 19 HSM 320 COMO at 19 kbaud X 0000H kbaud X 0001H kbaud X 0002H kbaud X 0003H kbaud X 0004H NO NS NN DN and so forth If this all worked correctly you re on your way and ready to write your own program If not please refer to the troubleshooting section before contacting us i nstalling and Using the Windows RAD51 IDE amp Assembler RADSI requires 32 bit Windows such as Windows 95 98 or NT 4 0 or later It is not compatible with Windows 3 X and also may not work correctly with NT 3 X RADSI installs with its own setup exe install program Online documentation for the assembler is included The assembler syntax is the same as the DOS A51 assembler 14 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix i nstalling and Using the DOS A51 Assembler We recommend you use the new RAD51 Wi
27. I O space RI adr read at adr in internal data space RR adr read at adr in SFR space M Memory test with exhaustive patterns A Address line test X value show change movx stretch value 0 7 Press any key to continue WD val write val to system DAC 550 only Memory code 0000 EFFFH xdata 0000 EFFFH I O F000 FFFFH All values ar ntered and displayed in hexadecimal format memory errors display as address should be actual Loader has detected DS87C520 processor 520 Try sending one of the sample HEX files to HSM 320 To send a HEX file to HSM 320 type an L for LOAD followed by a carriage return Enter key and then send the HEX file from your terminal software If the loader receives the file with correct checksums you will get an OK response If there are load errors the loader will tell you as they occur HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix 8 9 It s tempting to jump into a complex application right off the bat but please run one of the supplied sample programs first This will verify that your PC cable hardware and installed software are all working together If you are using assembly code we ve included example files HELLOXX ASM and HELLOXX HEX where XX is a code for the crystal of your HSM 320 The XX is 22 for 22 1184 Mhz and 33 for 33 Mhz For a quick test of your system load the appropriate HELLO hex file If you are using BCI51 P
28. I O space sending a HEX file and so forth OK you say maybe that s cool but where s the tricky part Here it is you can prepare an ASCII text file with these commands one per line Then send the file to HSM In Hyperterminal it s Transfer gt Send Text File You will need to set the File gt Properties gt Settings gt ASCII Setup gt Line Delay to 500 or 1000 msec to give the loader time to process the command If your communications software supports macros or scripts so much the better We ve included some sample files we use with Hyperterminal More are on the web site This is a simple and powerful way to test register settings before you take the time to create a program It s much easier to debug a configuration problem at the loader command line than within a program We use this approach a lot in our own test and debug work here That s 17 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix why we took the trouble to add these features to the loader we thought you d find them useful too Supported Baud Rates The Loader Demonstrator syncs to many standard baud rates from 600 to 57 600 baud depending on the controller crystal Note that with a 33 MHz crystal 38 400 baud error is greater than 3 and may not be reliable Crystals on the HSM board and in your PC are not perfect especially at temperature extremes so you may find that your PC does better or worse than the table indicates
29. ION Processor socket amp support DIP40 for any 5 volt DS80C320 family member including DS87C520 Code can be located in the internal EPROM of applicable family members by changing a board jumper Internal 1 KBye of data memory of DS87C520 can be used seamlessly in conjunction with 60 KBytes of on board data memory Memory 128 KByte NVRAM 120 KBytes usable divided into 60 KBytes of code and 60 KBytes of data NVRAM is backed up with a MaxCap for 3 4 week typical power off nonvolatility Power Unregulated 6 13 VDC or 5 VDC regulated 5 5x2 5 mm unregulated input power jack Regulator is reverse polarity short circuit and over temperature protected Serial UO Two RS232 serial I O DB9M one for each UART in the 80C320 520 The RS232 buffers can be disconnected if you wish to add your own buffer for RS485 RS422 etc Prototype Area Generous 5 3 x 1 4 inch prototype area Dual strips of SOIC to through hole pads on front and rear of board Perfect for prototyping with surface mount devices Heavy power and ground busses on 025 headers Every pad is surrounded by ground plane perfect for low noise analog circuitry Front of proto area plane is VCC back is GND with exposed diamonds in the solder mask for easy power and ground connection Expansion Memory mapped I O space at FKXXH is decoded and brought out to a 025 post A 16V8 DIP20 PLD fits perfectly below the A0 A15 bus headers to simplify additional decoding or s
30. Incorporated Systronix Inc 939 Edison Street Salt Lake City UT 84111 TEL 801 534 1017 Internet www systronix com Copyright 1997 1999 by Systronix Inc All rights reserved Revision 2 0 October 6 1999 A WORD FROM THE AUTHOR This manual was created using Corel WordPerfect 8 0 Schematics were created with Accel EDA Postscript output was obtained from an Apple LaserWriter IINT Adobe Acrobat and Photoshop were used in PDF file creation and illustration capture and manipulation Bruce Boyes Systronix Inc HSM 320 HSM 520 Technical Reference Systronix Inc Complete Solutions for Rapid Development of Embedded Control Systems Document Revisions 2 0a Multiple corrections after multiple proofreadings by multiple proofreaders Updated quick diagnosis table to apply to unified auto bauding loader 2 0 Revisions for new unified loader demonstrator and HSM 320 amp 520 board versions 1 3 Adding complete schematics and data sheet 1 2 Improved quick start section adding 1 sample program more info on loader X and I commands 1 1 Includes new loader documentation for loader C 05 with memory and address test 1 0 Covers Rev B and possibly later revisions of the HSM KISS board Table of Contents HSM 320 amp HSM 520 READ THIS FIRST crer 1 HSM 520 as an EPROM based OEM Controller unn annnnnna unean 1 Versions Caps pe PO ARA LES RO CE CATE RETA E ia ACE 2 ELIGE EE 2 Terminology in
31. K SCH Date Monday October 28 1996 Sheet 18 PF xi cis LL 14 7456 Hz XIAL2 18 PF RST H CD BSD INTO INT1 XI X2 RESET O P3 2 INTO O P3 3 INT1 O O FO OO O arg mra re irq Ere ure ID Jor U eo 1 o o1 Co ho U tare N PROTO AREA HEADERS E N HEADER 8 VCC O O KSR211G PUSHBUTTON HIGH P3 4 TO P3 5 T1 P1 0 T2 P1 1 T2EX P1 2 RXD1 P1 3 TXD1 P1 4 INT2 P1 5 INT3 P1 6 INT4 P1 7 INT5 80C320 DIP o TXD1 NY 742 083 10K Sh L KSR211G PUSHBUTTON LOW JMP 4X2 JP10 P0 0 ADO P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 AD7 P2 0 A8 P2 1 P2 2 P2 3 P2 4 P2 5 P2 6 P2 7 A15 P3 1 TXDO P3 0 RXDO JD EG M HEADER 8 lt gt AD O 7 E gt A 8 15 io oo 1 OD Cn I O5 I a E un 74AC573 742 083 100 RES CLOSE TO CONTROLLER CAP AT END OF NET DO NOT INSTALL PORTO PULLUPS WITH 80C320 FAMILY SYSTRONIX INC b55 SOUTH 300 EAST 21 PO BOX 526398 SALT LAKE CITY UT 84152 6398 EL 801 534 1017 FAX 801 534 1019 HSM KISS CPU Size Document Number A HSMK CPU SCH Date Monday November 03 1997 Sheet e T z E n T E E 7 E A 8 15 A 0 7 AD 0 7 X gt br x s 2 oe 2 AO D
32. M 320 Serial Loader Modes and NVRAM Memory Access describes the relationship between load and run modes and NVRAM page access 15 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 Serial Loader Modes and NVRAM Memory Access Reset Type Code Space Data Space LED Controller Hardware Power On NVRAM page0 NVRAM pagel green hardreset hard reset GEES Reset user program user data Reset Run NVRAM page0 NVRAM green hardreset hard reset Push user program user data button Load Serial loaderin NVRAM page0 red hardreset hard reset Push ROM temporarily button mapped into data space for program load amp verify Reset Run Mode Power on reset resets the controller and causes execution to begin in the code page of the NVRAM The RESET push button also resets the controller and causes execution to begin in the code page of the NVRAM Load Program Mode Pressing and holding the LOAD push button resets the controller as the reset button does But 1f you continue to hold the load button down for a half second or SO execution starts in the serial loader Serial Loader 10096 Non intrusive in RUN Mode The serial loader is active only in LOAD mode Our proprietary memory control PLD provides this function In RUN mode the serial loader is mapped out of processor memory and does not use any processor resources In RUN mode the serial loader EPROM is placed in a low power inactive state In RU
33. N mode our serial loader is completely non intrusive and will not interfere with your application program in any way This is a very important capability and one of the nicest features of HSM 320 The serial loader includes other functions such as memory test reading and writing to controller ports SFRs and so forth It is not a monitor so it cannot be accessed from your application program and cannot set breakpoints single step your program and other typical monitor functions 16 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix THE SERIAL LOADER amp DEMONSTRATOR ll Description What is the Smart Autobauding Loader Demonstrator That s a rather ungainly name but it was the best we could think of We re not an ad agency Just a bunch of acronym and technology loving engineers The loader provides Intel HEX file transfer memory fill HSM Port read and write SFR access I O space peek and poke and much more I O space peek and poke is really just I O space read and write but peek and poke sounds like more fun doesn t it You can use any terminal emulator or communications program which supports standard RS232 serial I O You don t need a Wintel PC Tips amp Tricks Automate Your Testing with Script Files In load mode you can of course send a series of keyboard commands to the loader This could include erasing memory writing and reading memory mapped
34. O AO 00 mi CD mmm a 82 vee Sak D2 37 Sak oe PSEN EJ a4 pa HS 04 o y A5 D5 A A5 05 RD L eck a 9 A6 oe L 2 ag 06 RESET LOAD CONTROL PLD 742 083 10K AB Sak De A8 29 AT d WR L d a 567 AB A8 Salz A9 a A9 NC PSEN 1 lock A10 23 A10 A 24 ag NC 2 12 25 1 27 m 3 Fo H5 SBS gt RST H a a A NG 4 7 UF AE AN NC A 21 E e Lu RUN SHLATCH OUTPUT A13 28 12 C24 A13 30 At Ne 12 5 15 1 SR DATCH OUTPUT A14 3 If 14 31 e eM F3 Ha RR et A 3p A14 A14 vcc A14 7 Es 7 SRAM A18 ape YZ 23 Jd 15 Sab Gs BAM 25 SE ci LOAD PB L sab veL Jun F7 9SRAM WE 22d WE vec H2 VBU 2 vpp anp LS 100 NE I9 0E 22 ES Ee EI 5 AT27C256R J 3 vec 16V8Q 15 PLCC SES ann Hl 4 70 NSEC ASTI RST L KM681000BLG 5L BOOT EPROM R7 100 K CS CONTROL REDUCES POWER IDR 10 UA MAX 128K X 8 SRAM 8 55 NSEC VERY LOW POWER TYP 500 NA FXXX L DECODE FOR I O SPACE D4 R9 o VCC LOAD LED RED 33K D3 R10 FUN x o VCC LED GRN 22K T2 D5 R11 E A o VCC TP LED RED 33K T8 D6 R12 E A VCC TP LED RED 33K TP T4 RUN L a RUN L FOR USE WITH USER I O DECODE DEVICE TP T EXXX L i BYSTRONIX INC 55 SOUTH 300 EAST 21 PO BOX 526398 SALT LAKE CITY UT 84152 6398 TEL 801 534 1017 FAX 801 534 1019 Title HSM KISS MEMORY Size Document Number Rev B HSMK_MEM SCH B Date Sheet 6 of Monday January 06 1997 7
35. X INC b55 SOUTH 300 EAST 21 SALT LAKE CITY UT 84111 EL 801 534 1017 FAX 801 534 1019 TTP NWW SYSTRONIX COM HSM KISS SERIAL I O Document Number HSMK Monday October 28 1996 Sheet
36. acters For example Off ff FF and OFF are valid values Oxff and OFFH will be considered errors by the loader All commands are single characters with optional arguments Arguments must be separated by one or more tab or space characters The entire command line must be completed with a carriage return D I R means that commands DI and DR are both legal F value start end 19 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Parameters not in square brackets are required Parameters in square brackets are optional In the example above the Fill xdata command the fill value must be provided Start and end memory locations are optional Addresses and Extended Addresses Addresses given to the loader are interpreted in light of the target controller and its development board Some boards support extended addressing i e paged memory Boards which do not support extended addressing will ignore any extended address records in Hex files and emit an error message if you manually enter a page address as a command parameter To save retyping the page value in extended addresses there are some shorthand techniques you can use Addresses are entered as page address where a value followed by a colon is assumed to be the page If not followed by an address then the entire page is assumed starting with location 0 For example page is equivalent to page 0000 Some examples E 59 053 fills p
37. age 05 from 0000 through FFFF excluding any I O space with the value 55 DX 0 100 2 200 will dump xdata from page 0 address 100 through page 2 address 200 The page value is not needed if you are assuming the current default page so if the current page is page 0 then the above DX command is equivalent to DX 100 2 200 Special Characters Control C C 03 hex will restart the loader A backspace key 08 hex causes a destructive backspace The loader always uses xon Q 11 hex and xoff S 13 hex flow control The flow control is accepted as input from the host PC in other words the PC can pause the loader s output The loader does not emit flow control characters to the PC so the PC can send a stream of data at the selected baud rate and the loader is guaranteed to keep up As you use a slower and slower crystal the fastest baud rate supported also decreases 9600 baud max at 1 8432 MHz for example so the maximum incoming data rate is self limiting The loader uses XON XOFF to emit warning or error messages during hex load operations 20 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Hex File Record Types Supported Hex file record type 00 is a data record Record type 01 is end of file These both occur in every typical Hex file which you will generate with any standard 8051 assembler or compiler Hex file record type 02 is an extended address record used to set the high address byte
38. al in particular seems prone to lose sync with incoming data if it ever gets a partial character or data at the wrong speed Close HyperTerminal and restart it Get the latest version 5 0 or later which is much improved Compile with the l option and look atthe PRN file to see the highest code address Orlook at your HEX file to determine the highest code address Load the memory test programs provided then reset into RUN mode and execute them to test NVRAM page 0 The MaxCap will hold a program in HSM 320 for at least a week typically 2 months Leave HSM 320 connected to a power cube if you need to save your program for longer or just reload it Use ONERR to printthe error value to the serial port or blink an LED with a pattern so that you know when a runtime error occurred HSM 320 is warranteed against defects in manufacturing for a period of one year This does not include damage due to static driving controller I O pins beyond their design limits see the DS80C320 data sheet for pin specifications or other damage caused by improper use Systronix is not liable for latent bugs if any in micro controllers In the case of a defective controller or processor we will honor all manufacturer s warranties and make every reasonable effort to keep your system up and running PLEASE CONTACT US before you return your board We can diagnose and fix most first time problems over the phone We do charge a minimum service fee on
39. also different from the C320 Otherwise the controllers are identical DS87C520 controllers are available in erasable or one time programmable OTP versions They must be programmed in a device programmer You cannot program the DS87C520 in the HSM 520 board DS87C520 Code Memory Selection The HSM 520 version of the board implies that you do have a DS87C520 controller installed The setting of the ROM jumper JP5 adjacent to pin 40 of the controller selects INT or EXT HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix In the EXT position the 87C520 s internal CODE memory is disabled so it functions much like a no EPROM C320 In LOAD mode the DS87C520 executes code from the HSM 320 loader EPROM In RUN mode it will attempt to execute code from the NVRAM code page In the INT position code memory in the DS87C520 internal EPROM is enabled In RUN mode whatever program is in the DS87C520 EPROM will boot up following a reset In LOAD mode the same is true In both modes then the HSM 320 loader is not accessed DS87C520 Data Memory Selection The DS87C520 has 1 Kbyte of on board movx or xdata SRAM This SRAM must be explicitly enabled to be accessed The C520 data sheet describes this If enabled then that portion of the HSM 320 board s data SRAM will not be accessed All xdata accesses which lie outside of the address range of the active internal xdata SRAM automatically go to board mounted HSM
40. as ROM jumper JP5 adjacent to pin 40 of the controller selects INT or EXT In the INT position code memory in the DS87C520 internal EPROM is enabled In RUN mode whatever program is in the Dasbis o 2 DS87C520 EPROM will boot up following a reset Parity None Stop bits 1 v Flow control Xon 7 Soft h Bits per second ERUN HSM 320 example files are part of the Systronix CDROM If your CDROM is more than a few Advanced __Bestore Defauts weeks old the quickest way to get new files is to load a new copy from the HSM files area of our web site at Www systronix comjor FTP it from ftp systronix com The CDROM will autorun under Windows 95 98 Follow the InstallShield prompts to install the examples on your computer Connect the power cube to the HSM 320 J3 power jack After application of power the green RUN LED will be lit Press the LOAD switch and hold it for more about half a second The red LOAD LED should be on If neither LED is lit the board is not receiving power Check for proper power polarity the center of the J3 power jack is positive Connect a DB9 female straight not null modem cable from your PC serial port to HSM 320 COMI near the prototype area HSM 320 expects TXD on pin 2 and RXD on pin 3 of the serial port cable This sets up the PC as DTE Data Teminal Equipment and HSM 320 as DCE Data Communications Equipment in RS232 parlance A kit of adapters and
41. ax respectively The 80C320 and DS5000 family power fail warning occurs at 4 25 4 38 4 50 min typ max Typical 5V components such as SRAMS are specified with 10 Vcc tolerance or 4 50 to 5 50 volts operating voltage The LM2940 regulator has an output range of 4 85 to 5 15 volts 3 tolerance Typical supervisor chips such as the Maxim 69X family and Dallas DS1707 are available in 5 and 10 Vcc thresholds A close look at the data sheet shows that a 5 reset threshold is actually 4 50 4 65 4 75 min typ max and a 10 reset threshold is 4 25 4 40 4 50 min typ max In order for HSM 320 to function reliably all of its components must be operating properly not just the controller Therefore system operation must stop when Vcc is less than 4 5 volts We require a 5 supervisor chip whose reset threshold is 4 50 volts minimum A 5 supervisor resets the entire HSM 320 system at 4 50 4 65 4 75 volts min typ max A 10 Vcc reset supervisor gives us more time to operate as power is failing but marginally violates the specification of the SRAM and other chips HSM 320 write protects the NVRAM and resets the controller when Vcc drops to the reset threshhold of the supervisor chip To prevent a reset during a NVRAM write cycle the controller must stop writing to NVRAM before Vcc decreases to the reset threshhold Note that read cycles while power is failing are OK PFW Interrupt and System Shutdown Time To provide time for system shutdown we would
42. boards which are returned without authorization and check out to be operating fine It could be something as simple as a crystal loose in its socket So please save us both some possible aggravation and contact us first We ll do our best to get you up and running right away If you need to return your board you need an RMA return merchandise authorization If you have a major credit card we can ship a replacement board at once without first receiving your old board back for evaluation 39 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix 40 ECO DESCRIPTION SS DATE IMPORTANT NOTES POWER INPUT JACK CENTER IS SLEEVE IS GND HSM KISS SCHEMATICS HSMK SCH RASA CONTROL EL 801 534 1017 FAX 801 534 1019 TTP WWW gt SYSTRONIX COM HSM KISS DEVELOPMENT BOARD Document Number HSM_KISS SCH Monday October 28 1996 Sheet 7 SERIAL I O ADIO 7 A 0 7 A 8 15 PROTOTYPE AREA ALE ALE RD L WR L PSEN T PSEN HSMK SER SCH ADIO 7 A 0 7 A 8 15 RST L RST H HSMK PRO SCH RESET AND SUPERVISOR RST L PFW L Sen LOAD PB L LOAD PB L ADIO 7 VBU VBU A 0 7 DCINP RAW A 8 15 HSMK RST SCH RST H POWER SUPPLY RD L WR L PSEN DCINP_RAW HSMK_PWR SCH HSMK_MEM SCH SYSTRONIX INC b55 SOUTH 300 EAST 21 SALT LAKE CITY UT 84111 EL 801 534 1017 FAX 801 534 1019 TTP WWW gt SYSTRONIX COM HSM KISS TOP LEVEL Document Number HSM
43. control coming from the Hex file sender i e your sending PC can pace the output from the loader Extended address records are ignored if the target is a development board which does not support paged memory Give the loader the L command then send a HEX file as standard ASCII text do not use protocols such as zmodem In HyperTerminal this means using the Transfer gt Send Text File menus To be sure your entire Hex file was loaded correctly and that portions of it did not overwrite itself use the Verify command after loading D I R dump internal data or SFRs Send the contents of idata or SFR space to the serial port in HEX file format Only useful if you are familiar with these portions of the controller These are not generally useful as debugging aids since the loader uses data and the SFRs so their contents may have changed from the time your application program was running 2 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix DX start end dump intel HEX file Send the contents of xdata space to the serial port in HEX file format beginning at address start and proceeding through address end If no addresses are provided dumps the current page On systems which map code into data in LOAD mode DX is actually dumping what will become code space in RUN mode V verify Intel HEX file Tells the loader to await reception of an Intel HEX file to be compared to those addresses in the de
44. e Smart Autobauding Loader Demonstrator LL 17 Tips amp Tricks ea al oa a 17 Automate Your Testing with Script Files 0 0 cc eee ee eee eee 17 Supported Baud Rates ed ces coe be ataca a Ses 18 Starting and Connecting to the Loader Demostrator 18 Communicating with the Serial Loader LL eee cee een eae 19 Command Syntax ouod exp umet ad a e Eds pA IE E 19 Addresses and Extended Addresses i ose aur rr E ER IN mte yes RS 20 Special Characters QE oues pil Lee e Mean Ad tts ae ta 20 Hex File Record Types Supported A asa santo voor ea e ERE Orewa SA 21 Serial Loader Command RE EE 21 Ee Ee E EE 21 I boad Intel HEX filerna Lue rnm iena een 21 BEA dump internal data or SFRS 21 DX start end dump intel HEX file i ves x aa te aa 27 V very Intel HEX file 24 eee vex e Re Rh ae we d ERE RR ata 22 T stogele Intel HEX Tile CORO a isolata 22 L togole interrupt test oia vac tious ian OBI EE Node ERE SUP E 22 C start end calculate CRC 16 vds Tat ST q bal aes 22 E crasexdata TEE 22 F value start end fill xdata with value seco cceli la tk RR 22 Pvalue set default pa88 7 ss uoa dete teo Ens ded ebd aa Endo 22 W I R address value write value to address in data or SFR space 22 WP val port put value to microcontroller port 23 WX address value write the byte to the address in xdata space 23 R I R address read at address in data or SFR s
45. eads so be careful to line up the part in the socket precisely before pressing it in place Refer to the schematics and the Dallas data sheets for processor pinout details and signal names EH Power Supply The power input jack is 5 5 x 2 5 mm with center terminal positive and the sleeve negative The voltage regulator will run cool if your supply is in the 6 to 12 volt range If you provide your own power supply be sure it is a DC voltage of 6 to 13 volts Some wall cube power supplies are actually AC transformers and may damage the board A 6V 800 mA supply is typically included with our boards Higher power supply input voltages will work but will cause the regulator to dissipate any wasted power The regulator will simply shut down if it overheats and will turn on again when it cools off If you will be driving the board from a 12 VDC vehicle electrical system the input voltage will typically be 13 8 VDC If you have a lot of high current devices in the prototype area you may wish to add series diodes or a dropping resistor to avoid overheating the regulator B8 O Mapping HSM 320 uses no memory mapped I O since it doesn t have any memory mapped peripherals However since you might want to add your own in the prototype area the serial loader and memory mapping PLD do support memory mapped I O 8051 systems typically reserve space for memory mapped I O at address FXXXH and above a 4 Kbyte I O space The serial loader erase and fill
46. either the page value or the upper byte of the address on controllers such as the DS80C390 On boards which do not support extended addressing this record type is ignored A warning is emitted but the HEX file continues to load Subsequent data records can overwrite previous data It s up to you to be sure your HEX file is correct the loader won t prevent you from doing something unusual Hex file record type 03 is a start address record Some compilers BSO Tasking for example generate this record It s intended to be used to relocate code perhaps in an EPROM programmer It s not clear to us what purpose this could have in an 8051 system loader so the loader ignores it E Serial Loader Command Reference loader on line help This command causes the loader to emit several lines of command help L Load Intel HEX file This command tells the loader to await reception of an Intel HEX file and upon its reception to load it into what will be the user code memory On some targets code memory is mapped as data in LOAD mode in order to make it writeable In RUN mode the successfully loaded Hex file should execute as code While loading the code byte is written and then immediately read Errors are reported as they occur The incoming file is not echoed to the serial port unless the T command has been given prior to the L command If the load is error free the loader will issue an OK response The loader recognizes x on x off flow
47. erview of microntroller interfacing ideas intended for hobbyists or those who are new to embedded systems Lots of schematics and sample code available on disk for BASIC 52 controllers Exception Handling All embedded applications should have run time exception handling Good exception handling is one hallmark of a good programmer Exception handling is a difficult topic and highly application dependent so it is hard to make specific recommendations The serial loader uses exception handling to deal with bad command lines bad hex files and similar situations 37 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix If you are using BCI51 Pro please please take advantage of the BCIS1 ONERR instruction to provide run time error handling Print the error code to the serial port so that you at least know what error occurred Quick Diagnosis Table RUN and LOAD LEDs are both off Board appears dead although RUN and LOAD LEDs work No sign on message from loader on PC added parts to prototype area now operation ofthe loader is erratic put in a faster crystal now the board doesn t work reliably changed the crystal now my application justemits scrambled characters changed the crystal now the board seems to work but serial I O is erratic Loader starts up displays help but get HEX file load errors My BCI51 compiled BASIC program starts but all the serial I O is a single
48. good written documentation starting with what you re reading right now If you can t find the answer in our documentation then try the FAQ on the web at www systronix com send e mail to support systronix com call us at 801 534 1017 or Fax us at 801 534 1019 When you contact us please tell us about any errors or weaknesses in the documentation so that we can improve it in the next revision If you can please contact us by e mail first You can attach a file of source code and captured output use MIME encoding if possible to your message If you send us an example of a problem please make the example as simple as possible and include any necessary I O driver include files if you have modified them We try to answer all e mail within one or two business days Our web site is the main repository for new example code application notes and I O drivers Please feel free to contact us with any unusual questions about programming HSM 320 We can probably help you approach your needs in the most efficient way That s why we re here 11 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Customers consistently give us high marks for our technical support Tellus how well we re doing for you i nstalling and Using the BCI51 Pro Basic Compiler BCI51 Pro and the HSM Family If you purchased BCI51 PRO install it now according to the instructions provided with it Please note that the A51 assembler is always pr
49. he board which has faster memory and PLD Change your program s UART setup to operate with the crystal which is currently installed Also see next item below The crystal must be parallel resonant fundamental mode and designed for 17 20 pF capacitors Run loader M and A commands to test memory and address lines If M command fails run A command and beep outthe address or data lines of circuitry you ve added Code Start and Data Start do not match the configuration of the board s memory Are you using an old HEX file which was compiled fora different memory map BCI51 Code start and Data start should both be 0000H HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Serial I O is garbled My large BCI51 program ran OK then l added more code to it now it doesn t run My program HEX file loads okay but my movx memory xdata space is corrupted didn t use the board for several weeks and my program is no longer in memory BCI51 program runs then appears to hang E Warranty QUICK DIAGNOSIS TABLE for all systems with HSM Uni auto bauding loaders SYMPTOM EXPLANATION SOLUTION Baud rate mismatch or PC serial comm program got out of sync You may have run out of code space NVRAM page 0 code is OK but page 1 isn t MaxCap ran down and you lost your program in NVRAM Run time error may have occurred divide by zero math overflow etc HyperTermin
50. l port you need a straight through cable from your PC to a DB9 female to mate with the DB9 male on HSM 320 Systronix 9210 serial adapter kit contains a 6 foot 2 meter DB9 extension cable a DB9 to DB25 adapter and DB25 and DB9 gender changers Pa To download a program to HSM 320 and communicate with the HSM 320 serial loader you need any serial communications program such as Windows Terminal or Windows 95 Hyperterminal You can use any computer not just a PC compatible as long as it supports RS232 communication Jf To assemble a program for use on HSM 320 you need an 8051 assembler such as the Systronix Windows RADS1 assembler or the older DOS A51 assembler both included with HSM 320 Or you can use any 8051 family development tool running on any computer platform of your choice as long as it generates a standard Intel HEX file Binary file loading is not supported by HSM 320 Jf To understand the High Speed Microcontroller family you need the Dallas High Speed Microcontroller data sheets and application notes available from www dalsemi com or by calling Dallas Semiconductor at 972 371 4000 We ve include the 80C320 data sheet in PDF format on your HSM 320 disk HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix ll Quick Start Step by Step 1 2 3 4 5 The HSM 520 version of the board of course COMI Properties RE requires a DS87C520 controller The setting of the Porsetin
51. like an early power failure interrupt Ideally we should monitor the voltage prior to the on board regulator The power failure warning interrupt built into the 80C320 may never be triggered since its threshold 4 25 4 38 4 50 min typ max is below a 5 Vcc reset threshold and identical to a 10 threshold The 27 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix controller s built in PFW interrupt has another limitation it can only monitor Vcc since it is internally connected to the controller s power pin The supervisor used in HSM 320 monitors the unregulated DC input and emits a PFW interrupt when the unregulated power input falls below 6 volts With a 6V 800 mA power cube the unregulated input is typically 8 volts or higher so a drop to less than 6 volts indicates a probable power failure This provides plenty of time for shutdown since at this early state regulated Vcc is still at its nominal 5 volt value If you are supplying regulated 5 volts to HSM 320 you will need to connect the early PFW interrupt in some other fashion since it is essential to prevent SRAM writes while Vcc is out of tolerance PFW Interrupt Routine Tips The exact amount of time available between the PFW interrupt and a controller reset depends on several factors component tolerances temperature power supply capacitance both pre and post regulator and the total current consumption of your system To be absolutely safe your PFW
52. loading 30 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix DALLAS HIGH SPEED MICROCONTROLLERS The Dallas High Speed Microcontrollers HSMs are supersets of the venerable 8051 microcontroller Well over 100 million 8051s have been shipped and they are in use in everything from DNA replicators to blood glucose meters The HSM family is code compatible with the 8051 instruction set The HSM core architecture has been redesigned to offer faster execution while consuming less power Woh Speed Microcontroller Data Sheets A data book and CDROM are available from Dallas Semiconductor Call them at 972 371 4000 or get the data sheets today at www dalsemi com There are data sheet and application note links from our web site at www systronix com E What s Different About the HSM Family Port O No Port O pullups are required or advised with the High Speed Microcontroller Family Port0 has special drivers which can tolerate up to 100 pF and meet the required high speed timing when Port 0 is used and the multiplexed address data bus In the case of address to ALE setup this means charging or discharging this much capacitance in 11 nsec at 22 1184 Mhz Adding Port 0 pullups significantly degrades signal integrity on Port 0 causing more overshoot and undershoot and more noise during ALE transitions Memory Timing There is more to memory timing than this manual has space to discuss Overall memory system
53. ltiple pages E erase xdata to OFFH Erase all of xdata to the value FF except for I O space On systems with multiple memory pages all pages will be erased F value start end fill xdata with value Fill all of xdata with the value provided except for I O space If no addresses are provided fills just the default page The default page value is displayed in the loader prompt P value set default page Available only on systems with extended addressing W I R address value write value to address in idata or SFR space Write the value to idata or SFR space You must use the SFR address not its assembly code label For example TMOD is at address 89H The WR command lets you write any Special 22 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix LE Le Function Register Timed Access Registers are supported and the loader performs that special access for you There are no restrictions so you can if you wish clobber the serial I O used to access the loader If this happens just reset the board WP val port put value to microcontroller port Puts the value you provide to the port except for port pins which are used for TXDI RXDI RD WR of Port amp Port3 WX address value write the byte to the address in xdata space This command lets you set individual bytes of xdata space and write to any location in memory mapped I O space Xdata space typically includes I O space at F000 a
54. nd S4 for interrupts you can connect them to devices in the prototype area The PFW interrupt is tied to controller INTO but this can be cut on the back of the board between the pins of jumper JP10 Use the jumper block on top of the board to easily reconnect the cut trace at any time VCC and GND in Prototype Area We ve provided marked headers adjacent to the prototype area for easy VCC 5 volts and ground access In addition the top board layer in the prototype area is VCC All the exposed shiny diamonds on the top of the board in the prototype area are solder plated VCC attachment points The bottom board layer in the prototype area is ground All the exposed shiny diamonds on the bottom of the board in the prototype area are solder plated ground attachment points T1 FXXX L Decode Test point T1 provides a low active decode of address FX XX It is not qualified with any other strobes Do not tie this decode directly to an output enable or clock input of a register or 29 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix latch This decode is suitable for a chip select or as an input to an additional I O space decoder You must further qualify it with RD or WR strobes depending on your application T4 RUN L Decode Test point T4 provides a low active signal which indicates that HSM 320 is in RUN rather than LOAD mode This is useful in preventing peripherals from being active during program
55. nd above On many development systems xdata space in LOAD mode becomes code space in RUN mode This command gives you the ability to manually write to any peripherals you ve installed in the prototype area as memory mapped I O This is very useful in debugging your hardware R I R address read at address in idata or SFR space Read the value in idata or SFR space at the given address You must use the SFR address not its assembly code label For example RR 89H reads the TMOD SFR Timed Access Registers are supported and the loader performs that special access for you RP port get microcontroller port value and display it If you use the board s pushbuttons to drive some of the Interrupt pins you should see the change in values with the RP command For example HSM 320 INTO P3 2 driven low causes RP 3 to return FB undriven port 3 is FF RX address read the byte from the address in xdata space This command lets you read individual bytes of xdata space including any location in I O space This command gives you the ability to manually read any peripherals you ve installed in the prototype area as memory mapped I O In combination with the W command you can manually configure and test all your I O devices M exhaustive memory test This command does not access I O space This command writes a series of patterns to memory and reads them back Errors are reported as they occur This tests all bits of memory with ones and zeros a
56. nd will detect shorted address or data lines It doesn t help you find which lines are shorted however On many development systems xdata space in LOAD mode becomes code space in RUN mode on such systems this command tests what will be code space On systems with multiple memory pages all pages will be tested This can take a few minutes during which time the loader emits a series of periods two per page to indicate that the test is running 23 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix A address line test This command does not access I O space This command writes a series of patterns to memory and reads them back at locations calculated by walking a 1 across the value of the memory address Errors are reported as they occur This test is good for detecting shorted address lines For example if you get errors at locations 1000 and 4000 then A12 and A14 are shorted together X value change movx stretch cycle value This command changes the value of the controller s movx stretch cycle register The movx stretch cycle is similar to wait states in a microprocessor memory cycle After a reset the value defaults to 1 It can be anything from O no stretch cycles to 7 for the slowest write cycle Any change to the value persists until the next board reset It applies to all movx cycles including memory test and I O access All our development boards are designed to support a stretch
57. ndows IDE and Assembler However if you will be using the A51 DOS assembler install it now Just copy the file A51 EXE from the diskette into the desired directory on your hard disk Invoke A51 With a Batch File Instead of typing a long command line to invoke A51 use our batch file ASM BAT Just invoke the batch file followed by the ASM file which you wish to assemble C HSM A51 HELLO Here s the contents of ASM BAT 1 is the filename you pass to the batch file on the command line Echo off Echo assembling 1 asm with A51 abl 1 asm o 1 hex 1 1l prn Detailed documentation for the DOS assembler A51 is available in a PDF file on your installation disk HHSM 320 Memory HSM 320 Memory Map in Load and Run Mode HSM 320 uses a single 128Kx8 SRAM with nonvolatile control logic and a capacitor backup to make this a 128Kx8 NVRAM nonvolatile RAM device The PLD in location U7 splits the NVRAM into two pages Page0 is the lower 64 Kbytes and Pagel is the upper 64 Kbytes The 4 Kbyte memory mapped UO space disables the upper 4 Kbytes of each page While executing out of the serial loader the code page of the NVRAM is mapped into the data space of the controller This enables the loader to write to what will be the code page in RUN mode of the NVRAM It also prevents the controller from accessing any external data memory while in LOAD mode Therefore the loader firmware is written to use only internal data memory The table HS
58. on the market so why did we develop HSM 320 First of all it is designed from the ground up to be optimal for the Dallas High Speed Microcontroller HSM family There are some differences between generic 8051s and the HSMs Just plopping an HSM into an 8051 socket will probably not give you the best performance and will probably not even work at 22 Mhz or above These differences are detailed in a separate section of this manual a b o Easy to use demo development board for the Dallas High Speed Micros LOW COST even though complete with 60 KBytes each of code and data memory we sell no boards with empty sockets as some vendors do to advertise a low price Simple development and experimentation board No dedicated I O devices so all I O pins are available for your use HSM 320 does decode the upper 4 Kbytes of xdata for your use as I O space Designed for prototyping and development generous through hole and surface mount prototype areas clearly labeled access to all controller pins Easy to use all you need to load a program is a PC with a serial port Built in serial loader for easy program loading and testing Loader is non intrusive in RUN mode meaning it uses no memory or processor resources High Speed designed for use at up to 33 MHz with no data stretch cycles In order to run at full speed HSM have special needs compared to generic 16 MHz 8051s HSM 320 has been designed specifically for the HSM family
59. ovided with BCI51 Pro The BCI51 compiler invokes the assembler automatically and you can also use A51 independently of the compiler At this time there is no explicit support for the High Speed Micros in BCI51 Pro Use an 8032 or 80C32 as the target We will be adding support for the HSM special capabilities as soon as we can Please email us if you would like to be on the HSM BCIS1 tester list You must have email with MIME encoded file attachment support to be on this list Eudora and most other popular email programs support MIME encoding At the moment the following special features of the HSM family are not supported by BCISI Baud rate is 19 2 kbaud max The extra serial UART is not supported by BCIS1 the HSM 320 serial loader does use it The on chip IKByte of xdata RAM of the DS80C520 is not supported Data stretch uses the default value The console auto baud option does not work properly in the HSM family because the instruction timing is different HSM 320 Example Program Files HSM 320 example files are in the self extracting archive HSMK XMP EXE Some of the example files will overwrite BCI51 Pro files This is OK File Extensions SRL and INC The file extension SRL stands for Source Library SRL files contain serial I O drivers math operations and other library support code to implement the BASIC language syntax in BCISI programs Include files with an extension INC are used to implement functions which a
60. pace 23 RP port get microcontroller port value and display it 23 RX address read the byte from the address in xdata space 23 M exhaustive memory Sea ue vex dd ex ex vb v DE RE eRe A eee eee 23 A xdddress line festi i abra e rid Sch PE cere Haase ee dang pa dead 24 X value change movx stretch cycle value uri sirio LA Aa EE EE 24 WD write value to DAC HSM 550 ont 24 EE EE 24 EIER vasta er da AD P scd Er tor reed DE eddie 24 HSNI320 HARDWARE EE 25 Controller Installation eas desee pocta o dau e ERIS a AE acetate arta etra 25 Power Supblys de ciue ed ie Rod dE ae qt ed aed Sg Putus aridi 25 DO eebe Mt eee e imd M alli Mea 25 External Memory or Peripheral Devices 26 Recommended Peripheral Addtessimg I 435 56 ERE CE PPAR REP ELE Se 26 Protecting Processor Pins from Static or Under voltage 26 Testing HSM 320 After Adding Peripherals 2T HSM 320 Voltage Monitor Reset and NVRAM Control 27 Voltado e EE a true Botha a i 27 PFW Interrupt and System Shutdown Time 27 PFW Interrupt Routine MPS lesa is vago EST pa ba Een Ze a 28 Interrupts and Timer Counter Inputs 00 0 cee eee tenes 28 aen 28 IOa rasa tas O dt EE 28 ENO Ss AE Ee dach gt rte de da Di ea an e REM eg 28 NA TA Ari iii E ia O Dr 28 Using and Modifying HSM 320 I O and the Prototype Area eee ee 29 EED Test Ee EE IE OUS Ed dS S PT EST RES 29 Seral VO NEP E dE E UL RUE Eege 29 Intett pis
61. re not part of BCI51 BASIC such as LCD access analog to digital conversion keypad input and so forth Sample I O drivers are included You can modify them to support similar I O devices which you add to HSM 320 First Program Try the example program hello bas provided in the file HSMK XMP EXE as your first use of HSM 320 and BCI51 Open the BAS program file with any text editor and make sure your 12 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix target is an 80C32 and code start and data start are both 0 XTAL should be 22118400 for 25 MHz boards the crystal package is printed with 22 1 or 33000000 for 33 MHz boards Save the file as plain ASCII text Your HELLO BAS should look something like this Simple Hello program for HSM 320 target 80C32 xtal 22118400 22 1184 MHz code start 0 data start 0 console mode 19200 19 2 kbaud check math off unsigned integer X main phl HSM 320 COMO at 19 2 kbaud X X x x 1 goto main END Compile your program by invoking BCI51 on it For example at the DOS command line or in DOS window type commands are not case sensitive bci51 hello o The switch o the letter o not the numeral 0 invokes the BCI51 optimization option After the compilation is complete this will create a file HELLO HEX Connect a standard all pins wired straight through serial cable from your PC to HSM 320 COMI Do not use a null modem
62. ro compiled BASIC compile the file HELLO BAS making sure that the XTAL declaration matches the crystal of your board There are comments about this in the file HELLO BAS To run your loaded file move the HSM serial cable to COMO the default HSM 320 user serial port You may need to use different communication settings if your test program and loader baud rate are different Now press and release the HSM 320 RESET button The green RUN LED should light and your sample program will emit a repeating message to your terminal software screen Since the serial loader always uses HSM 320 COMI and generic 8051 code will always use HSM 320 COMO for serial I O you can leave both serial ports connected COMI to your PC to load the program to be tested and COMO to another PC modem or other serial device which you are controlling If your PC is capable you can keep two communication software windows open one to the loader COMI and another to your application s COMO They can be different baud rates if you wish That s it You should be up and running If you had problems check your PC serial port connection and refer to the troubleshooting portion of this technical reference HHSM 520 Differences and Considerations The DS87C520 is very similar to the DS80C320 The C520 has 16 KBytes of internal code EPROM and 1 KByte of so called movx or xdata SRAM There are additional memory control registers in the C520 Memory timing is
63. roller Other unique features include five external interrupts an on board watchdog timer power fail interrupt dual UARTS dual data pointers and flexible power conservation options For data contact Dallas Semiconductor at 972 371 4000 or www dalsemi com or follow the links from www systronix com True 33 MHz Zero Wait State Performance The High Speed Micros have improved I O Port capacitive load drive capability especially on Port 0 This is different enough from generic 12 and 16 MHz 8051s to merit careful system design Add the timing requirements of 25 and 33 MHz memory access and it s clear that just stuffing an HSM controller into an old slow 8051 board will only deliver part of the performance you could have HSM 320 is rigorously designed to meet all manufacturer s timing requirements over worst case temperature and power variations with no wait states Accept no substitutes Full 128 KBytes of Code and Data NVRAM The High Speed Micros have the same 16 bit address space as 8051s for up to 64 KBytes each of code and data HSM 320 delivers with a full complement of memory Systronix proprietary memory interface circuitry combines a 128Kx8 SRAM a CMOS PLD a MaxCap and a power control supervisor chip The result is 60 KBytes each of code and data both are nonvolatile and a 4 KByte memory mapped I O space Smart Loader Demonstrator EPROM The powerful Systronix auto bauding loader does much more than program HEX file
64. rystal behavior and other topics related to successful HSM designs These application notes can save you a lot of headaches Links are on our web site Start Simple Start with a simple program get it working and then add complexity in modules Try to add new functions as subroutines which you can call or not call to easily isolate suspected problems Learning Assembly Code and Embedded Programming Ifyou find a simple way to learn assembly code or embedded programming let us know We get asked how do I learn quite frequently Maybe in a few years there will really be such a science as Computer Science but at the moment starting a discussion about good design is a good way to start an argument This manual is not intended to teach you assembly code or good programming principles Here a few good books Some of these may be hard to find good luck we don t stock them for that reason If your local big chain bookstore won t order them try a college bookstore or a smaller independently owned bookstore or search for the title on the Internet The Art of Embedded System Programming by Jack Ganssle published by Academic Press This one should be easy to order at your local bookstore This book focuses on philosophy and general good programming hygiene It s not specific to any processor Lots of true and humorous anecdotes very readable The Microcontroller Idea Book by Jan Axelson YES we do stock this one It s a good ov
65. s into the development board s NVRAM You can read and write all controller registers internal data and external data memory set stretch cycles test interrupts and more You can peek and poke all memory mapped I O space very handy for testing peripherals you ve added All of this can be done manually or via script files sent from an RS232 serial port of ANY computer Wintel Mac Linux SUN whatever All you need is a basic communications program Includes new Systronix RAD51 IDE and 8051 Assembler HSM 320 amp 520 include the new Systronix RADS1 Integrated Development Environment IDE and 8051 family assembler Requires Windows 95 98 NT 16 bit Windows and DOS tools are also included Related Products Systronix now also supports the Dallas DS87C530 with an adapter which plugs onto the basic HSM 320 board HSM 550 supports the new Dallas DS87C550 EPROM ADC PWM High Speed Processor HSM 320 see website or call 33 MHz HSM 320 with 33 0000 and 22 1184 MHz crystals Complete system with manual power cube and software HSM 520 see website or call 33 MHz HSM 520 board with DS87C520 controller either plastic OTP or ceramic window erasable Includes same crystals and accessories as HSM 320 Lite see website or call 22 MHz system without controller or power cube and with manual on disk Systronixe Inc 939 Edison Street Salt Lake City Utah USA 84111 Tel 801 534 1017 www systronix com DETAILED DESCRIPT
66. silkscreen on HSM 320 boards still identifies them as HSM KISS This will be changed the next time we run bare boards You can be sure you have the newer board if the label on the loader is HSM UNI These boards have 10 nsec PLDs 55 nsec SRAM and 45 nsec EPROM to support the 87C520 timing HSM 320 is available in two versions 33 MHz fully populated and a 22 Mhz Lite version HSM 520 is available only in a 33 MHz fully populated version You can convert a later version of HSM 320 to HSM 520 by plugging in a DS87C520 controller The HSM UNI rev D or later loader demonstrator is 87C520 aware earlier versions are not For simplicity we refer to the current version of the board with the rev D or later loader demonstrator as the HSM 320 recognizing that simply adding a DS87C520 controller makes it an HSM 520 H Erata The silkscreen on HSM 320 boards still identifies them as HSM KISS This will be changed the next time we run bare boards On revision B and some revision C boards the silkscreen legend for test points T1 and T4 is incorrect T1 is FXXX L and T4 is RUN L The function of the pins is correct just the silkscreen got swapped This was corrected in a later run of Rev C boards We are in the slow process of adding special support for the Dallas High Speed Micros to the BCI51 Pro real time BASIC compiler At the moment you must treat the HSM family like 80C32s running faster Please see the section Using BCI51
67. stronix circuitry to provide reliable reset control NVRAM protection during power up and power down and Power Failure Warning PFW interrupt generation Power supply accuracy and regulation with temperature and load variation is also critical Low cost regulators with 296 or better tolerance are widely available and are used in all Systronix products We also use high quality low ESR electrolytic capacitors for bulk power supply bypassing Bypass capacitors at the processor memory and high speed support chips must be high quality tantalum and multi layer ceramic devices 32 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Additional Features The High Speed Microcontroller Family has additional peripherals or memory depending on the family member Most members include a second UART watchdog timer and additional external interrupts Some include 1 KByte of on board movx memory 33 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix 34 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix TROUBLESHOOTING amp DEVELOPMENT TIPS No Serial Communication between PC and HSM 320 This is the most common problem The serial port on HSM 320 is very simple and robust it s hard to damage it If your PC isn t talking to HSM 320 it s most likely that the problem is in your PC or the cable between your PC and HSM 320 The serial port on HSM 320 does
68. timing is a combination of memory device both SRAM and EPROM processor speed bus loading address latch and decode circuit timing These calculations can be quite complex and can trade off component speed versus cost and availability Memory timing application notes are available at the Dallas Semiconductor web site at www dalsemi com and there are also links to these from www systronix com Suffice it to say that at frequencies above 16 Mhz a faster Port O demultiplexing latch is required HSM 320 uses an AC573 This device can produce large switching currents into capacitive 31 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix loads Low value series termination resistors are advisable on its outputs to avoid excessive overshoot For noise immunity this latch should use CMOS input thresholds never TTL To provide code access which complies with data sheet specifications fast memory devices and fast control circuitry are also required There is no provision to add wait states or stretch cycles to code access in the 80C320 family HSM 320 uses a fast 15 or 10 nsec PLD to control memory access All HSM 320 circuitry has been designed to provide reliable worst case performance at full operating speeds The DS87C520 has more stringent external memory timing than the 80C320 The data sheets for each part hold the details HSM 520 differs from HSM KISS in that it uses faster components which meet the timing req
69. trobe generation Easy Program Loading Serial program loading can be initiated by on card pushbutton No special software is needed use any terminal communication program on any brand of computer LEDs indicate RUN and LOAD modes The serial loader is only active in LOAD mode In RUN mode it is inactive giving your program complete control of all controller memory and resources Size Standard 100x160 mm single Eurocard size hundreds of enclosures available some stocked by Systronix including RF shielded NEMA rated etc Environmental Commercial temperature 0 to 70 deg C Support amp Warranty Unlimited friendly technical support One year warranty against defects All systems include Printed user manual on disk in Lite version Schematics on disk in Lite version Sample programs in RADS51 assembly code and Systronix BCI51 Real time Compiled BASIC rev 2009 Jun 11 bab HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix HSM 320 amp HSM 520 READ THIS FIRST Thank you for purchasing the High Speed Microcontroller DS80C320 HSM 320 or the HSM 520 Development System If you really hate reading manuals then go ahead and hook up the board COMI is used for program loading The loader will auto baud to a carriage return sent from your PC Follow the rest of the instructions on the back of the board If you get stuck come back here It s tempting to jump into a complex
70. tton for a second and you will see a sign on message on your PC similar to this Unified HSM HEX LOADER Rev D 04 08 31 99 C 1996 1999 SYSTRONIX INC Type for command help If you enter a question mark for help you should something like this the exact appearance will depend on your loader version Loader commands are described in detail later in this section Loader Commands L load intel HEX file D I R display content of idata or SFRs DX start end display content of xdata V verify HEX file w memory T toggle HEX file echo I toggle all external interrupt enables C start end calc CRC 16 E erase xdata to OFFH F value start end fill xdata with value W I R adr val write val to adr in idata or SFR space WP port val write val to port WX adr val write val to adr in xdata or I O space R I R adr read at adr in idata or SFR space RP port read port RX adr read at adr in xdata or I O space M Memory test with exhaustive patterns A Address line test X value show change movx stretch value 0 7 Memory code 0000 EFFFH xdata 0000 EFFFH I O F000 FFFFH All values ar ntered and displayed in hexadecimal format memory errors display as address gt should be actual Communicating with the Serial Loader Command Syntax All loader values adresses data and all parameters must be provided in hexadecimal format without any special char
71. uirements of the DS87C520 If you have an older HSM KISS board it does not meet the worst case timing of the DS87C520 at speeds above 22 1184 MHz Data access both memory and UO devices can be slowed down with stretch cycles All HSM 320 circuitry has been designed to provide reliable worst case data access at full operating speeds with no stretch cycles added Strobes Due to the fast transitions on strobes termination may be required depending on your design particulars HSM 320 provides special termination of ALE for low emitted noise and reliable operation during Port O transitions We also use series damping resistors on other critical high speed lines Instruction Timing The High Speed Microcontroller Family owes its performance improvements to a redesigned 8051 core This core maintains code compatibility with the 8051 family while cutting the number of clock cycles per instruction cycle from 12 to 4 This gives a 3X increase in instruction cycles executed per second assuming all instructions take the same number of instruction cycles But they don t so the performance difference is really between 2X and 3X for a typical instruction mix Detailed instruction timing is available in the 80C320 family data book Power Supply and Reset Circuitry Never ever use a capacitor and resistor for reset of an 80C320 family processor It s not even a good idea on a generic 8051 HSM 320 uses a precision reset control chip with proprietary Sy
72. velopment board s memory After you enter the V command send a HEX file just as if you were using the load command T toggle Intel HEX file echo Causes the loader to echo all incoming HEX files back out the serial port so that you can see it as it s being received The echo persists until you enter the T command again or reset the loader toggle interrupt test This is not just a loader command it is also interrupt vector code contained within the loader If you trigger an external interrupt while the loader is active and interrupt test is enabled the loader will emit a message to HSM s COMI This is useful for verifying that your interrupt hardware is working correctly or for testing the pushbuttons on your board All interrupts are assigned the same priority level This feature is only available in LOAD mode and does not in any way affect your program s interrupts in RUN mode An interesting test is to jumper enable multiple interrupts When you press the button all jumpered interrupts will be asserted at the exact same time This is a good test case for interrupt handling code Serial loader interrupt code handles each interrupt in order of its priority No interrupts are lost Try it Then change the interrupt priority with an appropriate WR command and try it again C start end calculate CRC 16 Calculate a 16 bit Cyclic Redundancy Code If no addresses are provided calculates over the default page The addresses can span mu
73. x n Standard Euroboard 160x100 mm size conforms to ANSI IEEE Std 1101 1987 IEC 297 3 1984 and other international standards HSM 320 fits Systronix enclosures and many others B Loader and PLD Options and Updates The HSM 320 serial loader and control PLD have no known bugs If you do discover a bug and we can duplicate it we ll ship you a new loader PROM or PLD at no charge We are planning to add additional features in future releases and we welcome your input Revised versions of the serial loader and PLD will be available at a nominal charge please refer to the High Speed Micro Price List available soon at www systronix com for current pricing Please contact us if you would like a special version of either device The serial loader and memory control PLD and their associated circuitry are copyrighted by Systronix Inc with all rights reserved Purchasing HSM 320 does not give you the right to duplicate either device If you wish to use the loader or PLD in your own products we can provide programmed parts or a license to create your own at a very reasonable price Mi Systronix Web Site amp Forum Our web site www systronix com is the main repository for new HSM 320 example code and documentation You can also join a forum of Systronix users Our web site has information about the forum ll Getting Technical Support Our technical support is included with your purchase of HSM 320 We believe good support begins with
74. your terminal software is correct If there are no transitions on RXI this is after the RS232 level translator check the TXD signal before it passes through the Max232 Carefully probe pin 8 CAUTION if you short Max232 pins together with a scope probe you could permanently damage the Max232 device and or the HSM 320 controller This is because RS232 voltage levels exceed safe CMOS or TTL levels If incoming characters are present on RXD but not RXI then the Max232 appears to be damaged Contact us about return of your board for repair In any case PLEASE CONTACT US before you return your board We have about a 90 success rate in solving problems like this over the phone We do charge a minimum service fee on boards which are returned without authorization and check out to be operating fine So please save us both some time and aggravation and call us first We ll do our best to get you up and running right away If you need to return your board you need an RMA return merchandise authorization If you have a major credit card we can ship a replacement board at once without first receiving your old board back for evaluation 36 HSM 320 amp HSM 520 Technical Reference 2 0 October 6 1999 O Systronix Internet FAQ There is a FAQ Frequently Asked Questions area on our web site It is updated on a regular basis Application Notes Dallas application engineers have written many excellent application notes on memory timing c

HSM/320 & /520 Technical Reference

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HSM/320 &amp; /520 Technical Reference

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HSM/320 & /520 Technical Reference