MCPM-3 USER`S MANUAL - The Engineers Collaborative, Inc.
Contents
1. This command verifies that all the code written to the microcontroller memory matches with the code in the Programmer s RAM Blank Check Device Checks the microcontroller s EPROM or EEPROM memory to certify that every location is in the erased state Erase EEPROM Contents and Verify For the 805C4 and 805B6 chips the EEPROM is electrically erasable This means that using the MCPM 3 Programmer the operator may return the chip to its erased state After this erase cycle the contents of EEPROM are checked against default value for these chips FF Secure EPROM Contents and Verify This selection exists only for the 705C8 Unlike other chips in the HC05 family the security bit must be set separately from the programming of the chip This command will not turn any of the status lights of the MCPM 3 Programmer on and when finished the READY status light will come on To verify that the device secured correctly you must try to upload its contents to the host PC If you are unable to upload the contents then the chip is secured Upload EPROM amp EEPROM Contents into Buffer This command reads the contents of the microcontroller s EPROM or EEPROM into the RAM buffer in the host computer PAR TECE The Engineers Collaborative Inc Page 16 MCPM 3 USER S MANUAL Production Programming Cycle The Production Programming Cycle will vary for different chips Below is a list of steps and deci sions that are made for each chip in2. Assembler Version 2 3 APPENDIX A HCOSDEMO PRN LISTING DEMO Program for familiarization with TECI tools oko se ok se ok se ok os ok se oke ois oke nis ole nis ole sje obe sje obe ois ole sje ole sje ok ais ole ofc ole ofc ode ofc ole nfs ole sje ole sje ode nfs ole ofc ode nis ode oie ode aks ole ofc ode ofc obe ofc ode oie oe ofc oe k o k k k k k k k oe oe oe kkk per An MC68HC705C8 Demonstration Program zt This program outputs the characters of the message How now brown cow one character every 1 000 milliseconds to port A and strobes bit 0 of t port B When the end of the message is reached the message repeats in ae an endless loop The on chip timer is used to provide the required time iis intervals PE fname HCOSDEMO ASM X 5 05 89 RBJ pi DER The Engineers Collaborative Inc Route 3 Box 8C Barton Vermont 05822 Phone 802 525 3458 s eoe e k k k ook se ok kkk k k k k k k k k k k k k ok kkk kkk obe ok obe ok obe ok obe o oko obe ok oie ok oe oe sje oe oko obe oe oe oie obe oe oe oie oe obe oe oie oe oie oe k k k k k kk kkk k gt 0050 ram 0100 rom 2000 vectors 0000 porta 0001 port b 0002 port c 0003 port d 0004 port a ddr 0005 port b ddr 0006 port c ddr 000A spi control O00B spi status 000C spi data 000D sci baud 000E sci control 1 000F sci control 2 0010 sci status 0011 sci data 0012 timer control 0013 timer status 0014 input cap high 0015 inp
3. deut ee 11 7 0 THE MCPM 3 PROGRAMMER sseeseeseeseeseeseeseeseesesseeseeseeseeseeseeseesesseeoesseeseeseeseeseeseeseeeesoeeoesoessessessessessessee 20 7 1 POWER REQUIREMENTS cccscccesscscescesesseceseccessecesseecsceceseecesaeeesseeesseeceseessseecssaeeesaeeesseessseeseseeoees 20 7 2 RS 232 PORT CONNECTIONS spinnende tet teet i iia a a d ette de odere nte ddp 20 7 3 RESET PUSHBUTTON SWITCH eee nere nne nneeheneen nne ennnren tenens enne enne nennen 20 7 4 GO STOP PUSHBUTTON SWITCH 27 eese ener nnee nennen neret neret tenen nneenene en ner enne 20 7 5 PROGRAMMING INDICATOR LAMP esseeesseeeseeeeeeeee enne nennen nne en neret neret en ene en nere nnnenn 20 7 6 VERIFIED INDICATOR LAMP eie ectetuer ie er tede eee tope ge enn 21 7 7 READY INDICATOR LAMP i eiesieesstee tees tiep e nis dones intet e do Pee stie AEE eene a SETER enint dein 21 7 8 PC CONNECTED OPERATION diceret tote bed e Pee e ie Findet e leet fere eterni 21 7 9 STAND ALONE OPERATION cscccssscssescesesseceseccessceesscecseecescecesaecesseeesseecsseeceseecesaeeesseeesseeseaeeseeeoees 22 7 10 CONCLUDING REMARKS iieiea aiaiai teen nene n nete nter nente senten 23 8 0 TUTORIAL EXAMPLE SESSION eeeeeeee eese eese n sensn n sonata setas sens sense tn setas etna tn setas sens etn seen seen sen 24 APPENDIX A HCOSDEMO PRN LISTING eere esee eene eene stent t
4. on a 5 1 4 inch double sided double den sity floppy diskette The files supplied on this diskette are as follows TMCPM3 EXE This is the driver program for the MCPM 3 Programmer It communicates with and tests the MCPM 3 Programmer TMCPM3 HLP This is a standard DOS text file that contains the help screen information for TMCPM3 EXE This file can be edited to include additional notes the user may want to have available on line when using the TMCPM3 EXE program If you purchased the MCPM 3 Programmer Plus the following files will also be present on your distribution diskette This manual does not discuss these files For more information on these files refer to the sections in your User s Manual labeled TASMO5 and SIMHCOS TASMOS EXE This is the 6805 cross assembler program SIMHCOS EXE This is the 6805 simulator debugger program It is assumed that the developer will be working on a computer with a hard disk Though all the tools included in this package may be run on a 8088 PC XT class computer with one 5 25 floppy disk drive inexpensive modern computers are available that will provide a more flexible working environment The structure of the TECI programming environment is such that each project must reside in a separate directory For users of DOS versions 2 x the help file TMCPM3 HLP must reside in each of the project directories for it to be accessible to TMCPM3 EXE For users of DOS versions 3 x and above the help file must re
5. operations with the host computer to give the opera tor some indication things are happening as they should Since this light is ON most of the time it is also used to indicate that power is applied to the programmer xok NOTE On power up if the READY status light comes on and stays on the non volatile memory is still good On power up if all the status lights flash on and off the programmer RAM has been corrupted To program or test any further device the programmer must again be attached to the host computer for downloading of the object file and command 7 8 PC CONNECTED OPERATION Whenever the programmer must interact with the host computer it must be connected with the RS 232 cable The operator controls all programmer functions by selecting options from the TMCPM3 EXE program menu Generally in this situation the operator is performing development activities upload ing downloading files to the programmer setting up or testing the programmer or other related activi ties as described under the section on the TMCPM3 EXE program If the commands for the programmer were initiated by the host computer from the Program 68HC05 Device submenu the programmer sends the result information to the host computer screen If how ever the command came from the programmer itself repeating the last command from the host com puter when the operator pressed the GO STOP pushbutton switch the results are shown by
6. the computer manufacturer work fine The cable is not supplied with the MCPM 3 programmer Before connecting the devices together turn the computer off and disconnect the programmer from its external power supply Connect the devices together with the serial cable and adapters if required turn the computer on and connect the power supply to the MCPM 3 Programmer TEASE TECIE The Engineers Collaborative Inc Page 8 MCPM 3 USER S MANUAL 5 4 INITIAL TEST OF THE MCPM 3 PROGRAMMER Certify that all the connections are secure and make sure the MCPM 3 Programmer is turned on The Ready status light should be lit If it isn t press the Reset button on the right rear of the pro grammer Make the directory that contains TMCPM3 EXE the current directory Start the TMCPM3 EXE program and check the Status Line to make sure the Communications port is the one the pro grammer is hooked up to the default is Comm 1 If it isn t then select the Change Communications Port option using the down arrow and press Enter This will toggle the communications port between Comm 1 and Comm 2 The TMCPM3 EXE program does not support Comm 3 or Comm 4 Then select the Programmer Test option and press Enter TMCPM3 EXE will communi cate to the MCPM 3 Programmer and send a response to certify that communications have been established Press Enter again according to the directions on the screen to test the MCPM 3 Programmer s RAM This test is d
7. turn on the Vpp voltage f the jumper J3 is NOT in the B5 position the Vpp voltage will be turned on automatically Place a voltmeter between Pin 20 GND and Pin 3 Vpp of the pro gramming socket Use a small screwdriver to adjust the Vpp voltage to the value shown on the status line via the opening in the rear end panel of the programmer Press any key when done Two reminders The pins may all be accessed through the ZIF socket on top of the programmer The top of the programmer does not need to be removed to perform a voltage adjustment The screw adjustment for the voltage is on the rear panel between the reset switch and the RS 232 serial port Change Buffer Fill Character When you change the 68HCO5 device type the buffer fill character automatically changes to the erased state of the selected device You may however wish to change the buffer fill character to some other value Pressing Enter at this Main Menu selection will enable you to specify a HEX value be tween 00 amp FF Changing the buffer fill character will completely overwrite the buffer AER TECE The Engineers Collaborative Inc Page 13 MCPM 3 USER S MANUAL Load Object Code File to Buffer This command is used to get an object code file and load it into the host PC s RAM buffer When this option is selected the operator is prompted to enter the file name of the object code file The complete file n
8. variables sstart of program memory Define the message text program start on reset port a set to outputs port b set to outputs sinitialize pointer variable sinitialize output compare reg enable output compare int enable interrupts wait here for timer int s EAR TECIE The Engineers Collaborative Inc Page 26 MCPM 3 USER S MANUAL gt DER timer interrupt service routine EE The timer counter register increments once every 1 0 4 0Mhz 2 4 t 2 microseconds with a 4 0 Mhz external clock frequency ial se To generate timer interrupts at 1 millisecond intervals the output OK compare feature of the timer can be used by adding 500 to the output k ex compare register every time a timer interrupt occurs see When this routine is called 500 is added to the output compare register ees ike then bit 0 in the timer control register is toggled so that a two E millisecond square wave appears on the TCMP pin 1ms high 1ms low a Ske Then the X register is loaded with the X Sek character pointer variable X is then incremented and saved back to SEM the pointer location for use on the next timer interrupt X is then X Es used to access the character in the message that is to be output The x oe character is output to port A and bit 0 of port B is strobed If the X PUR last character of the message is reached indicated by the period E Has the pointer is initialized so that it will access the first character X
9. 0 pin ZIF Zero Insertion Force socket extending through the top Extending through the rear panel is one RS 232 port a reset switch and a 12 volt AC connector Also there is a hole through which the voltage may be adjusted The front panel contains Programming Verified and Ready LEDs and a Go Stop Switch Inside is a double sided printed circuit board with silk screened component legends It has a microcontroller that performs the serial input and output to and from the host computer the power supply sequencing during programming operations and all other control functions 7 1 POWER REQUIREMENTS The MCPM 3 comes with a standard UL approved 12 volt AC power supply All the necessary power requirements for programming the 68HC05 chips come from this power supply For foreign users any commercially available adapter that provides 110 volts 50hz or 60hz with a US socket for the 12 volt power supply will satisfy the requirements of the programmer 7 2 RS 232 PORT CONNECTIONS See section 5 1 2 7 3RESET PUSH BUTTON SWITCH The RESET push button switch is located on the left side of the programmer s back panel It is the re set control for the internal microcomputer The user will not have to use this control often It is included so that the internal micro can be brought to a known state after unexpected things happen such as power glitches Applying power to the programmer also resets the microcomputer This does not change the RAM
10. Eon of the message the next time that this routine is called mE gt 0129 0DI32A timer isr brclr 6 timer_status tisr_end branch if no out compare flag 012C B617 Ida output_cmp_low add 500 to output compare reg 012E ABF4 add 500 amp ff one millisecond counter 0130 97 tax save for awhile 0131 B616 Ida output_cmp_high s 0133 A901 adc 500 256 0135 B716 sta output cmp high write high byte first so 0137 BF17 stx output_cmp_low compares won t be inhibited 0139 B612 Ida timer_control 013B A801 eor 7000000001 toggle the olvl bit so temp 013D B712 sta timer_control spin will toggle 013F BESO Idx pointer get the char pointer 0141 5C incx point to the next char 0142 BF50 stx pointer save for next time 0144 D60100 Ida message x get the character 0147 B700 sta port a output it to port a 0149 1001 bset O port b strobe 014B 9D nop port b 014C 1101 belr 0 port_b sbit 0 014E AI2E cmp 46 was the char a period 0150 2604 bne tisr end sbranch if not 0152 AEFF ldx ff sreinit character 0154 BF50 stx pointer pointer if so 015680 tisr end rti 015780 external isr rti external irq 015880 software isr rti swi 015980 spi isr rti serial peripheral interface 015A 80 sci isr rti serial communication interface 1FF4 org vectors 12 sinterrupt service routine vectors 1FF4 0159 dw spi_isr serial peripheral interface 1FF6 015A dw Sci isr serial communication interface 1FF8 0129 dw timer_isr timer 1FFA 0157 dw
11. F socket must be in vertical position 1 Insert chip to be programmed with pin 1 to the left rear 2 Pull clamp lever on ZIF socket forward to the horizontal position This step should also be used with all adapters that fit the 40 pin socket Status READY status light is on and the VERIFIED status light is on only if the programmer has successfully programmed a chip in the stand alone mode once already without further com mands from the host computer If this is the first time the programmer has been used in the stand alone mode the VERIFIED status light will not be on or if the programmer was not successful programming the previous chip the VERIF TED status light will not be on 3 Push GO STOP button on right front of MCPM 3 panel Status PROGRAMMING status light is on until the chip is programmed Status MCPM 3 Programmer attempts to verify the chip Status If the chip verifies the VERIFIED status light goes on If it does not verify the chip the VERIFIED status light does not go on Status Then the READY status light goes on The VERIFIED status light stays on if the pro gramming attempt was successful when the programmer is in stand alone mode When the last command from the host computer was Verify Device Contents Only the VERIFIED status light comes
12. MCPM 3 USER S MANUAL A PROGRAMMER FOR MOTOROLA MC68HCx05 MICROCONTROLLERS MC68HC805C4 MC68HC705C4A MC68HC705C8 MC68HC705C8A MC68HC705C9 MC68HC705C9A MC68HC705D9 MC68HC705B5 MC68HC805B6 MC68HC705B 16 MC68HC705P6 MC68HC705P6A MC68HC705P9 MC68HC705J1 MC68HC705J2 TEC The Engineers Collaborative Inc Web www tec i com E Mail Sales tec i com MCPM 3 USER S MANUAL IMPORTANT WARRANTY AND LIABILITY INFORMATION The Engineers Collaborative Inc warrants the diskette on which the software is furnished to be free from defects in materials and workmanship for a period of 90 days from the date of shipment to you The MCPM 3 Programmer hardware is warranted for a period of 6 months This includes parts and labor and free technical support Except as indicated above there are no other warranties expressed or implied No warranty of fitness for a particular purpose is offered The user is advised to test the software thoroughly before relying on it The user as sumes the entire risk of using the product The total liability of The Engineers Collaborative Inc is limited to the purchase price of the product and does not cover any lost profits special incidental or consequential damages or any claim against the purchaser by any party SOFTWARE LICENSE STATEMENT This software is protected by US copyright law and international treaty provisions Therefore you must treat this software just like a book with th
13. Simulator Debugger are high quality tools designed to work seam lessly with the MCPM 3 TMCPM3 EXE programmer and driver Those who purchase the MCPM 3 Programmer package without the Assembler or Simulator Debugger may use industry standard tools that work with the Motorola S Record or Intel file formats The TASMO5 Assembler and the SIMHC05 Simulator Debugger are available separately from TECI Aq TECIE The Engineers Collaborative Inc Page 4 MCPM 3 USER S MANUAL 2 0 PACKING LIST You should find these items in the shipping carton MCPM 3 Programmer Module Wall Mounted Power Transformer Manual Software Diskette found in the pocket of the manual Files on the Diskette TMCPM3 EXE TMCPM3 HLP HCO5DEMO ASM HCO5DEMO MIK HCO5DEMO PRN 5 Warranty Registration found in the pocket of the manual AWN gt If any of these items are missing please call TECI to obtain them ama TECIE The Engineers Collaborative Inc Page 5 MCPM 3 USER S MANUAL 3 0 SYSTEM REQUIREMENTS The TECI 68HCO05 development tools MCPM 3 and TMCPM3 EXE require an IBM PC either ISA Industry Standard Architecture as in the IBM PC XT AT or compatibles EISA Extended Industry Standard Architecture as commonly found in IBM PC compatibles or MCA Micro Channel Architecture as found in the IBM PS2 At least 256k RAM memory one 5 1 4 inch disk drive one serial port and PC DOS Version 2 1 or higher or the equivalent MS DOS version operating sys
14. The RAM chip on the MCPM 3 Programmer is inserted into a Dallas Semiconductor Smart Socket The battery in this device has an estimated life span of 10 years under normal conditions This means that the Programmer can be moved from site to site without AC power or supplemen tal battery backup and retain all the information to successfully program the designated chips Additionally in the event of AC power failure the Smart Socket isolates the RAM chip and pre vents random noise and incomplete instructions from being written to it In the event the contents of the RAM chip are lost built in error checking informs the user that the RAM must be reinitialized The TMCPM3 EXE software is menu driven with explicit operator prompts and error messages This driver program takes as its input 68HCO05 object code files in either Motorola S record format or Intel Hex format processes these files and downloads them to the MCPM 3 program mer TMCPM3 EXE also allows the operator to perform many other useful functions such as performing self tests of the MCPM 3 programmer displaying and exporting the object code files filling unused EPROM locations with a user specified byte changing communication ports and more TMCPM3 EXE was written in the C programming language The MCPM 3 Programmer Plus from TECI includes a complete set of integrated development tools necessary to Assemble Simulate Debug and Program 68HCO05 chips The TASMO5 Assembler and the SIMHCOS
15. ame must be entered including the file extension File formats are automatically detected by TMCPM3 EXE and may be either Motorola S Record Intel Hex or a Binary memory image If the file name is entered correctly and can be opened and read by the computer a memory image in the for mat of the target chip is created in the buffer If the file can not be opened an error message is displayed and the operator is given another chance to enter the file name This continues until the operator enters a correct file name or presses the Escape key The operator is then given the option of exiting the screen You may then Download Buffer to Programmer Memory or Examine Edit Buffer Contents For a complete description of these options see below The order in which you use the commands from the main menu is very important If you wish to change the device type you must make sure that you have saved a copy of the buffer if you want to keep it before you change the device type When you change the device type or even select the same device type from the Change 68HC05 Device Type menu the buffer is cleared and the default fill character is written to the buffer Next if you wish to put a different fill character in the buffer you must do so before you Load Object Code File to Buffer If you load the object code file first then change the fill character the fill character will completely overwrite the contents of the buffer erasing any ob ject code
16. ating that the buffer memory image is being downloaded to the programmer is displayed The Ready indicator light on the front of the MCPM 3 Programmer should be flashing to indicate communication activity with the host computer The next step to programming a device would be to select the Program 68H C05 Device This tutorial will not go through this step Please go to the step 7 in the tutorial or if you want to program a chip with the current contents of the programmer RAM read Section 6 3 Program 68HC05 Device and follow the instructions However we suggest you use an erasable C8 device 7 This step in this tutorial allows you to view the contents of the programmer RAM Press any key to continue and choose the Upload Programmer Memory to Buffer Main Menu option Press Enter The Ready indicator light will flash very quickly appearing to dim while the Programmer uploads the file You will be returned to the Main Menu automatically upon completion That s it You have just performed all of the necessary steps in the development process using the TECI tools except programming and verifying a chip We sincerely hope that after using these tools you will consider them to be a sound investment We look forward to your comments and suggestions and to providing any assistance with their use that you may require TAE TECE The Engineers Collaborative Inc Page 25 MCPM 3 USER S MANUAL The Engineers Collaborative Inc 6805 6305 Cross
17. ave Buffer in a File Change Communications Port Programmer Test Help Exit to DOS Comm Port 1 Fill Char 200H Vpp Should 15 0 V Device MC68HC705C8 This is the default setting for the TMCPM3 EXE Transfer program Before describing each of the menu options some words on the general operation of the program are in order TAE TECE The Engineers Collaborative Inc Page 10 MCPM 3 USER S MANUAL TMCPM3 EXE creates a memory image of the object code file in the memory of the host computer called the buffer In other words the object code file is decoded in the host computer to create an exact memory image of the target microcontroller s memory It is this buffer memory that is downloaded to the programmer This buffer can be initialized with a fill character and it can be displayed and edited before sending it to the programmer To verify proper communications between the host computer and the programmer all bytes of data sent to the programmer are placed in the programmer s RAM read back out of programmer RAM by the microcontroller in the programmer then echoed back to the host computer which compares the data received with the data sent If differences are found error messages are generated so that another attempt at downloading the buffer can be made The actual programming step at the programmer is not permitted until an error free download is achieved With this general understanding each of TMCPM3 EXE s options will now be desc
18. ave a 4 0 Mhz crystal attached to the processor so that the timer register increments once every 2 microseconds To generate a timer interrupt once every millisecond the program makes use of the output compare feature of the timer The number 500 is added to the contents of the output compare register every time a timer interrupt occurs 500 x 2 microseconds 1 millisecond so that another timer interrupt will occur 1 millisecond later in time Review the listing to convince yourself that this is actually the case On your distribution diskette you will find the file named HC05DEMO PRN found in Appendix A and an object code file named HCO 5DEMO MIK found in Appendix B Tutorial 1 Make the directory where you installed TMCPM3 EXE the current directory Then type TMCPM3 EXE Enter at the DOS prompt to invoke the program The program should look for the help file TMCPM3 HLP then display the Main Menu 2 Now to program a 68HC705C8 device use the arrow key to select the Change 68HC05 Device Type menu item and then press Enter 3 Use the arrow key to select the 68HC705C8 device and press Enter You will be warned to make sure the jumpers in the MCPM 3 Programmer are in the correct position To find out look at the label on the bottom of the MCPM 3 Programmer and the current settings will be found Use this label in the future to mark the current settings if you change t
19. content in the programmer or delete the last command sent by the host computer 7 4 GO STOP PUSH BUTTON SWITCH The GO STOP push button switch does one thing It repeats the last command sent to the MCPM 3 Programmer by the TMCPM3 EXE transfer program on the host computer It will not however repeat any command from the Main Menu Only the commands from the sub menu of the Program 68HC05 Device Main Menu selection will be remembered 7 5 PROGRAMMING STATUS LIGHT The PROGRAMMING status light is an LED that is illuminated to indicate that the chip programming sequence is in progress It is also illuminated during the programmer self test as described below and when special programs are being sent to the B5 and B6 microcontrollers AER TECE The Engineers Collaborative Inc Page 20 MCPM 3 USER S MANUAL 7 6 VERIFIED STATUS LIGHT The VERIFIED status light is an LED that is illuminated to indicate the successful completion of op erations When the programmer is being operated by the host PC the VERIFIED status light only remains lit for a brief period before the READY status light is turned on 7 7 READY STATUS LIGHT The READY status light is an LED that is illuminated to indicate that the programmer is ready to re ceive another command or that a device can be inserted or removed from the programming socket This light also toggles on and off during serial I O
20. e following exception The Engineers Collaborative Inc authorizes you to make archival copies of the software for the sole purpose of backing up our software and protecting your investment from loss By saying just like a book The Engineers Collaborative Inc means that the software can not be used by two dif ferent people in two different places at the same time OTHER The information contained in this manual has been carefully checked and is believed to be ac curate and complete at the time of printing However no responsibility is assumed for errors that might appear The Engineers Collaborative Inc reserves the right to make changes to the product and or the manual at any time without notice Furthermore The Engineers Collabora tive Inc assumes no liability arising out of the use or application of any of its products No part of this document may be copied or reproduced in any form or by any means without prior writ ten consent of The Engineers Collaborative Inc Trademarks IBM IBM PC XT AT PS 2 PC DOS are registered trademarks of the IBM Corp Microsoft and MS DOS are registered trademarks of Microsoft Corporation Motorola is a registered trademark of Motorola Inc C ASYNCH MANAGER is a registered trademark of Blaise Computing Inc Vermont Views is a registered trademark of Vermont Creative Software C Copyright 1989 2004 The Engineers Collaborative Inc Web www tec i com All rights reserved Printed
21. estructive to the contents of RAM and should not be done while an object code file you wish to remain in the programmer is in the programmer s RAM If the tests fail please check the cables and make sure the MCPM 3 Programmer is on Make sure that the Communications port in the TMCPM3 EXE program is the port the serial cable is at tached to 5 5 USING THE TUTORIAL EXAMPLE Now that you have tested the MCPM 3 Programmer and it is functioning correctly please invest the time to read and follow through the tutorial example session that starts in Section 8 0 of this manual A demonstration 68HCO5 program HCO5DEMO ASM is included on the distribution diskette for this purpose Going through the tutorial session will take just a short time and will provide you with an overview of the MCPM 3 by actually using it and it will make the rest of this manual much more meaningful ama TECIE The Engineers Collaborative Inc Page 9 MCPM 3 USER S MANUAL 6 0 TMCPM3 EXE PC BASED CONTROL PROGRAM All interactions with the MCPM 3 programmer by the host computer are accomplished by selecting the various options provided by the TMCPM3 EXE program This program operates on 6805 object code files in the standard Motorola S record or Intel HEX for mats 6 1 INVOKING TMCPM3 EXE TMCPM3 EXE is invoked by typing at the DOS prompt TMCPM3 EXE return Assuming the use of a hard disk and the use of the PATH command i
22. evice Contents Only Blank Check Device Exit to Main Menu Blank Check Device Upload EPROM Contents into Buffer Erase EEPROM Contents and Verify Production Programming Cycle Upload EEPROM Contents into Buffer Exit to Main Menu Production Programming Cycle Exit to Main Menu MC68HC705P9 MC68HC705J1 MC68HC705J2 Program and Verify Device Program and Verify Device Program and Verify Device Verify Device Contents Only Verify Device Contents Only Verify Device Contents Only Blank Check Device Blank Check Device Blank Check Device Production Programming Cycle Production Programming Cycle Production Programming Cycle Exit to Main Menu Exit to Main Menu Exit to Main Menu For each command option there is a text screen displayed on the host computer The user must follow these instructions to complete the command Before programming Windowed Ultraviolet erasable EPROM microcontrollers Cover The Window Sunlight and florescent light may prevent correct programming of the device Program and Verify Device Each menu has a Program and Verify Device option This option assumes that there is an object code file stored in the programmer s RAM It then takes that object code file and writes it to the programmable memory in the chip that is placed in the ZIF socket or adapter Then it verifies that all the code written to the memory is accurate AER TECE The Engineers Collaborative Inc Page 15 MCPM 3 USER S MANUAL Verify Device Contents Only
23. external isr external irq 1FFC 0158 dw software isr swi 1FFE 0112 dw power_on_reset sreset Assembly complete Errors 0 Warnings 0 TAE TECE The Engineers Collaborative Inc Page 27 MCPM 3 USER S MANUAL APPENDIX B HCOSDEMO MIK LISTING Object code file created by TASMOS during assembly of the Appendix A example source file 1130100486F77206E6F772062726F776E20636F0F 1130110772EA6FFB704B705B750A601B716B613D6 1130120A6F4B7171C129A20FE0D132AB617ABF4C7 113013097B616A901B716BF17B612A801B712BE13 1130140505CBF50D60100B70010019D1101A12ED3 S10E01502604AEFFBF5080808080803A S10F1FF40159015A01290157015801123A S9030000FC PAR TECE The Engineers Collaborative Inc Page 28
24. file currently in it After selecting the device type and changing the fill character the object code file may be loaded Download Buffer to Programmer Memory When this option is selected the memory image in the buffer is downloaded into the MCPM 3 s RAM where it is stored until erased Aq TECIE The Engineers Collaborative Inc Page 14 MCPM 3 USER S MANUAL Program 68HC05 Device This menu option is context sensitive Only the options available for the currently selected device are offered If the currently selected chip is an EEPROM memory then there will be an option for Electrically Erasing the EEPROM memory The following tables exhaustively list the programming options for the available devices MC68HC805C4 MC68HC705C8 MC68HC705C9 Program and Verify Device Program and Verify Device Program and Verify Device Verify Device Contents Only Verify Device Contents Only Verify Device Contents Only Blank Check Device Blank Check Device Blank Check Device Erase EEPROM Contents and Verify Secure EPROM Contents and Verify Upload EPROM Contents into Buffer Upload EEPROM Contents into Buffer Upload EPROM Contents into Buffer Production Programming Cycle Production Programming Cycle Production Programming Cycle Exit to Main Menu Exit to Main Menu Exit to Main Menu MC68HC705D9 MC68HC705B5 MC68HC805B6 Program and Verify Device Program and Verify Device Program and Verify Device Verify Device Contents Only Blank Check Device Verify D
25. hat for users of DOS version 3 x and higher the directory con taining the TECI software be added to the PATH in the AUTOEXEC BAT file in the ROOT direc tory on the hard disk This will enable the user to start up TMCPM3 EXE from any directory that is the current directory To enable the PATH to the TMCPM3 EXE the computer must be re booted Read your DOS manual for more information about the PATH command It must be stressed that new users read the manuals Even the most experienced programmer may not be able to intuitively grasp every aspect of the TECI environment though it is simple enough to use after a short acquaintance For example the Status Line at the bottom of the TMCPM3 EXE program contains information about the target processor and configuration of the PC but does not read the status of the MCPM 3 Programmer This is especially important when adjusting the voltage of the MCPM 3 Programmer The Status Line does not read the current voltage selection in the programmer but displays the current processor s required voltage Changing the voltage on the programmer will be described below in section 6 3 5 3 HARDWARE The MCPM 3 Programmer connects to the PC by a standard 25 conductor RS 232 cable with a DB 25 male connector on the MCPM 3 end the mating connector on the MCPM 3 program mer is a DB 25 female type The cable should have straight through wiring no crossovers or loopbacks are required Standard modem cables as supplied by
26. he smallest buffer is 1k for the J1 device and the largest is 16k for the C9 and D9 devices Save Buffer in a File This option allows you to save the current contents of the buffer in one of three file formats Motorola S Record Intel HEX or Binary image format When you select this option you are asked to name the new file It is not necessary to type the full path if you want to store the file in the current directory If you wish to save the file in another directory or disk you must type the full path and file name The ordinary extension for the Motorola S Record is MIK for Intel HEX it is HEX binary code files are often saved as BIN These are just con ventions meant to help organize your work not strict rules The TMCPM3 EXE program will read any of the files you save with it in any format selected with any extension you choose Change Communications Port This option toggles the active communications port between COM 1 and COM 2 COM 3 and COM 4 are not supported The active port is reflected on the left side of the status line AER TECE The Engineers Collaborative Inc Page 18 MCPM 3 USER S MANUAL Programmer Test Simply this menu option certifies that the MCPM 3 Programmer and PC are communicating If they are not communicating the TMCPM3 EXE software will display an error message Communications Error Serial Port Timeout A character was expected from the programme
27. hem The default settings JI MOST J2 MOST and J3 MOST are the settings that the 68HC705C 8 requires If you wish you may check the voltage at this time Consult Section 6 3 Adjust Vpp Voltage For the Tutorial this will be unnecessary because the default chip for the MCPM 3 Programmer is the C8 chip The voltage will be correct Aq TECIE The Engineers Collaborative Inc Page 24 MCPM 3 USER S MANUAL 4 The next step is to change the fill character After exiting the previous screen select the Change Buffer Fill Character in the Main Menu Press Enter Type in a valid Hex number between 00 and FF and exit the screen Choose the Examine Edit Buffer Contents Main Menu press Enter and view the new buffer fill character Press Esc to exit that screen 5 Choose the Load Object Code File to Buffer Main Menu option Press Enter Type HCO5DEMO MIK and press Enter Exit that screen and the object code file is placed in the buffer Choose the Examine Edit Buffer Contents Main Menu press Enter then press the page down key and view the object code file that contains the string How now brown cow To edit the file see Section 6 3 Examine Edit Buffer Contents Exit the screen by pressing Esc 6 Now you are ready to send the object code file to the MCPM 3 Programmer Select the Download Buffer to Programmer Memory Press Enter The screen will clear and a message st
28. in the U S A ama TECIE The Engineers Collaborative Inc Page 2 MCPM 3 USER S MANUAL TABLE OF CONTENTS I BNVUO 4 PP 5 3 0 SYSTEM REQUIREMENTS eeeeeeeee eene en setenta sensn senses sense toss esses senses senses sess sss ss sess senes enu 6 4 0 MC68HC05 DEVICES SUPPORTED eee eene eene tn ntn atenta atenta sten stessa sten s senses seen sten s seen seen aeu 6 5 0 GETTING STARTED 7 5 1 CREATING A WORKING ENVIRONMENT hne en eese ee neret enses en nne en nene 7 5 2 THE DISTRIBUTION DISKETTE esses eene nnne nennen i nent nenen nene ennr enne senten enne 7d 53 HARDWARE uu eee LR HG eH rd ete e Dette Heer e nea p egeo Ere EH etta 8 5 4 INITIAL TEST OF THE MCPM 3 PROGRAMMER essessseeseeeeeee nennen ener neret nnne nennen nenne 9 5 5 USING THE TUTORIAL EXAMPLE eessseeseeeeeee eene nnne nme nneen nne et nne trre ener ehene enne nnne ener 9 6 0 TMCPM3 EXE PC BASED CONTROL PROGRAM cessent neon neenon sonata asta asina sense snae tn seen seinen 10 6 1 INVOKING TMCPM SG ee ettet d eet ee ade regente tent edocet a 10 6 2 TMCPM3 SCREEN DISPLAY 00 ccccsseccesccesnceesescesssnecescecesaeecsscesseecssnaecesaecesseessaeecsseecneesesaeeesaeeseaeees 10 6 3 TMCPMS MENU OPTIONS etn ete pret deret eir tt Cete ierit
29. ltage settings are for common mask versions of these chips Different mask versions may re quire different voltage settings If there is any question about the voltage settings for the specific micro controller you are programming please refer to your product literature for the correct settings The jumper settings listed above are correct Third Replace the two screws of the front panel of the MCPM 3 Programmer and plug in the serial cable and power transformer PARA TECIE The Engineers Collaborative Inc Page 12 MCPM 3 USER S MANUAL Adjust Vpp Voltage The factory setting for the Programmer is Vpp 15 0 This is the setting for the popular MC68HC705C8 Microcontroller For any other chip the voltage will have to be adjusted Before you press Enter at the Adjust Vpp Voltage menu option remove any microchip that might be in the 40 pin ZIF socket or optional adapter Vpp voltage is turned on to pin 3 of the pro gramming socket soon after this option is pressed Though the voltage may not harm the chip it is advisable to remove it The following text screen is invoked by pressing Enter at the Adjust Vpp Voltage option in the main menu Remove device from programming socket Make sure that the desired device is selected and shown on the status line jumper J3 inside the programmer is in the B5 position place a jumper wire between pins 40 and 21 of the programming socket to
30. n sensn stis seta senses senses sess enn sess enu 26 APPENDIX B HCOSDEMO MIK LISTING eeeeeeeeeee eee eene entente stats sts senses senses senses senses sene 28 APPENDIX C MCPM 3 SCHEMATIC DIAGRAM eerte eene enne en sensn stent tnn senses seen sees sess esses sene 28 TEASE TECIE The Engineers Collaborative Inc Page 3 MCPM 3 USER S MANUAL 1 0 INTRODUCTION The TECI microcomputer programmer Model MCPM 3 programs the on chip memory of the Motorola 68HC05 series microcontrollers MCPM 3 is designed to work both in a development environment where it is attached to a per sonal computer and in a stand alone production environment where it is used to program 68HC05 microcomputers without being attached to a personal computer A wall mounted UL listed plug in power transformer supplies all necessary power to the pro grammer During programming power supply sequencing is automatically controlled by a micro computer so that programming MC68HCOS5 s in a production environment is a simple process controlled by a single push button switch that is provided on the front panel of the programmer The programmer has a high quality 40 pin ZIF zero insertion force programming socket on top of the case Optional 44 pin PLCC 52 pin PLCC and 28 pin and 20 pin DIP adapters are avail able from TECI Three LEDs on the front of the programmer allow the operator to determine the status of the programmer at a glance
31. n the AUTOEXEC BAT you may invoke TMCPM3 EXE from any directory If there are multiple projects or multiple versions of the same project that require different settings then you must create a different directory for each project or version If your project or version requires the use of a different microcontroller you must start TMCPM3 EXE from within the directory of that project or version When TMCPM3 EXE is exited a file called TMCPM3 INT is created to save the current settings Whenever you invoke the program from that directory again that local TMCPM3 IN file determines the settings the program starts with Any time TMCPM3 EXE is invoked from a direc tory that does not contain a TMCPM3 INI file the default settings for TMCPM3 EXE shown below in Section 6 2 will be in place Assuming the use of TMCPM3 EXE from a bootable working floppy disk with one project per disk you may invoke TMCPM3 EXE from the A NV or B N prompt 6 2 TMCPM3 EXE SCREEN DISPLAY When TMCPM3 EXE is invoked the program menu screen is displayed It looks something like this MCPM 3 MAIN MENU V4 0 Change 68HC05 Device Type Adjust Vpp Voltage Change Buffer Fill Character Load Object Code File to Buffer Download Buffer to Programmer Memory Program 68HC05 Device Upload Programmer Memory into Buffer Examine Edit Buffer Contents S
32. nnected and stand alone operation should give you a good idea of how it works However there is no substitute for practice The tutorial example below is provided to give you a feel for the actual process For both first time users and experienced engineers this tutorial is a necessary step in mastering the basics of MCPM 3 and TMCPM3 EXE TE TEC The Engineers Collaborative Inc Page 23 MCPM 3 USER S MANUAL 8 0 TUTORIAL EXAMPLE SESSION The distribution diskette contains a file named HCOS5DEMO ASM This is an MC68HC705C8 source code file that we will use to become familiar with the MCPM 3 programmer and tools We will down load the memory image of the object code file HCO05DEMO MIK to the programmer to see how it is used in actual practice HCO5DEMO ASM specifies a very simple program for the C8 to execute it continuously outputs the characters of the message How now brown cow to port A and strobes port B bit 0 each time that a character is output The characters are to be output one every millisecond until the end of the message is reached at which time the message repeats in an endless loop Study the program source code HCO5DEMO ASM by looking at it with your text editor or by printing it For more information on the DOS PRINT command see your DOS manual The program uses the on chip timer to interrupt the processor every 1 000 milliseconds HCO5DEMO ASM assumes that we h
33. o JI2C9 J2 C9 J3 B5 Press any key to continue When you exit from that screen the Main Menu selection is on Adjust Vpp Voltage Do not press it until you have read this section and the section following on Adjusting the Vpp Voltage On the bottom of the MCPM 3 Programmer you will find a label that details the current jumper and voltage settings The default settings for all the jumpers is the MOST position For most of the sup ported microcontrollers this is correct setting however the C9 D9 and B5 chips require different set tings as shown in the chart below If you are programming any of these chips the jumpers must be changed To do this follow the instructions below Use the label on the bottom of the programmer to keep track of the current settings WARNING Always disconnect the MCPM 3 Programmer from its power transformer and disconnect the serial cable from the rear of the device before opening the case First Remove the two screws from the front panel of the MCPM 3 Programmer Second Place the jumpers in the correct positions as described by the Important Message box dis played after choosing a microcontroller Write the current setting to the label on the bottom of the MCPM 3 Follow instructions for adjusting the Vpp voltage in the next section The following table exhaustively lists these settings for the current edition of the MCPM 3 Programmer Microcontroller JI J2 J3 Require d Vpp These vo
34. on to verify successful completion When the last command from the host computer was Blank Check Device the VERIFIED status light comes on to indicate that the device is blank TE TECIE The Engineers Collaborative Inc Page 22 MCPM 3 USER S MANUAL When the last command from the host computer was Erase EEPROM Contents and Verify the VERIFIED status light comes on to indicate that the device erased successfully When the last command from the host computer was Upload EPROM Contents into Buffer or Upload EEPROM Contents into Buffer the READY status light blinks to indicate the transfer of data to the host computer When the last command from the host computer was Production Programming Cycle the list of actions described above in the Production Programming Cycle for the specific device to be pro grammed will be performed in the sequence described For each command in the cycle the status lights will turn on and off according to the description in this section By now the reader probably has a pretty good idea of what stand alone operation is To repeat stand alone operation occurs when the programmer is not connected to the computer It was conceived to be used in a production environment where many MC68HCO05 microcomputer chips are to be pro grammed without having to tie up computer resources 7 10 CONCLUDING REMARKS This description of the MCPM 3 Programmer both in computer co
35. r and was not received Verify that the programmer is connected to coml Note The communications port may be changed via the main menu Check power to the programmer z Press the programmer Reset pushbutton and Verify that the Ready lamp is on Press Q to return to the main menu or any other key to try again The setting on the status line of the main screen com or com2 If they are communicating the message will read Communications with the programmer RS 232 checks OK Verify that the Programmer Lamps are on Press Return to test programmer ram or any other key to return to the menu The Programmer RAM test writes a string of bytes to the RAM chip on in the Programmer and tests it Therefore if there has been a program downloaded into the RAM from the host PC it will be overwritten and destroyed WARNING The RAM test is destructive to the contents of the MCPM 3 Programmer RAM Do not test RAM before programming microcontrollers Help This option opens the help screen The help screen may be scrolled through using the page up and page down keys or using the arrow keys To exit the Help screen press Escape Exit to DOS XE session I This menu selection will end the TMCPM3 PAR TECE The Engineers Collaborative Inc Page 19 MCPM 3 USER S MANUAL 7 0 THE MCPM 3 PROGRAMMER The MCPM 3 programmer is a 5 5 inch wide X 6 5 inch deep X 1 5 inch high cabinet with a 4
36. ribed 6 3 TMCPM3 EXE MENU OPTIONS Change Device Type Selecting the Change Device Type option brings up the device type selection menu that looks like this Device Type 68HC805C4 68HC705C8 68HC705C9 68HC705D9 68HC705B5 68HC805B6 68HC705P9 68HC705J1 68HC705J2 With the up and down arrow keys select the processor desired and hit Enter WARNING Changing the device type or even selecting the same device type as the current selection purges the contents of the buffer The buffer is filled with the erased state of the selected device 0 or FF You will be confronted with a dialogue box that reminds you to change the jumpers in the front of the MCPM 3 Programmer This dialogue box looks like this for the 68HC705C8 microcontroller This is the default microcontroller IMPORTANT MESSAGE Set Programmer Internal Jumper Positions to Ji Most J2 Most J3 Most Press any key to continue The jumpers must be switched if the chip requires a different setting from the one above They are located directly behind the front panel of the MCPM 3 Programmer They are all labeled clearly and may be changed without removing the top of the case Below are the alternate settings for each of the jumpers and you will see these various settings for various chips PARA TECIE The Engineers Collaborative Inc Page 11 MCPM 3 USER S MANUAL IMPORTANT MESSAGE Set Programmer Internal Jumper Positions t
37. side in the same directory as TMCPM3 EXE For the XT user with one or two 5 25 floppy drives make at least one backup copy of the TECI diskette and at least one working copy of the same diskette To make a backup use the DISKCOPY command See your DOS manual for more information To create a working copy of the diskette format a diskette with the s switch to make a bootable floppy Copy all the files from your backup of the TECI diskette onto the bootable floppy disk and the working copy of the diskette should be ready to use For every project there must be a separate working copy diskette The initialization file TMCPM3 INI created by TMCPM3 EXE which contains the parameters for the current project will be saved on the disk with the current project TE TECEE The Engineers Collaborative Inc Page 7 MCPM 3 USER S MANUAL For anyone with a hard disk including the XT user it is suggested that you work from the hard disk to speed up operations Create a directory on the hard disk and copy all the files on the TECI diskette to that directory For each programming project a separate directory must be cre ated and when you want to work on a certain project the directory for that project must be the current directory The initialization file TMCPM3 INI created by TMCPM3 EXE which contains the parameters for the current project will be saved in the current directory For ease of use it is suggested t
38. tem TMCPM3 EXE may be run from Microsoft Windows 3 x in full screen text mode Read your Windows manual for more information about running DOS programs from Windows The MCPM 3 is designed to be controlled from a serial RS 232 port of the IBM family of per sonal computers It is suggested that those who will be using the STMHCO5 Simulator Debugger extensively should do so on the fastest PC available Even then real time simulation is not possible Those who need real time simulation should think about purchasing the TECICE HCOS5 In Circuit Emulator For this reason a fact sheet has been included with your manual 4 0 MC68HC05 DEVICES SUPPORTED Devices currently supported by the MCPM 3 TMCPM3 EXE are Package NIA WA WA YES NA NA WA YES NA WA WA YES NA WA WA YES NA NA NA YES NA NA A NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA The MC68HCO5JI is not a programmable device It is included in this list because the J2 may be programmed as if it were a J1 as an emulation of the J1 Every place in this manual where the J1 is referred to indicates a remark about the J2 chip emulating a J1 Adapters for all supported devices are available from TECI TEASE TECIE The Engineers Collaborative Inc Page 6 MCPM 3 USER S MANUAL 5 0 GETTING STARTED 5 1 CREATING A WORKING ENVIRONMENT 52 SOFTWARE THE DISTRIBUTION DISKETTE TECI 68HCO5 software development tools are supplied
39. the LEDs on the front panel TAE TECE The Engineers Collaborative Inc Page 21 MCPM 3 USER S MANUAL 7 9 STAND ALONE OPERATION Stand alone operation is completely dependent on the last command sent to the MCPM 3 Programmer by the host PC As soon as the user disconnects the serial cable from the programmer or decides to use the programmer without TMCPM3 EXE the programmer keeps the last command as the current command To perform the last command of the host PC push the GO STOP button When the last command from the host computer was Program and Verify Device the result will be as follows When the READY status light is on the operator inserts the device to be programmed into the pro gramming socket on the top of the cabinet pulls the lever forward and presses the GO STOP button This initiates the programming sequence and is indicated by the PROGRAMMING status light coming on When the chip is finished being programmed the PROGRAMMING light goes off If the verification process is successful the VERIFIED status light comes on and the READY status light comes on to indicate completion of the task The status lights continue to show the result status until the pro grammed chip is removed from the socket and a new chip is placed in the socket and the GO STOP button is pressed to repeat the Program and Verify Device command To program any device Status Clamp lever on ZI
40. the Production Programming Cycle Microcontroller Production Programming Cycle MC68HC805C4 1 Blank Check Device A If the EEPROM is not erased then 2 Erase EEPROM Contents and Verify then 3 Program and Verify Device or B If the EEPROM is erased then 2 Program and Verify Device MC68HC705C8 1 Blank Check Device A If Blank Check fails then end production programming cycle B If chip is blank then 2 Program and Verify 3 Secure EPROM Contents 4 Verify Secure MC68HC705C9 1 Blank Check Device A If Blank Check fails then end production programming cycle B If chip is blank then 2 Program and Verif MC68HC705D9 1 Blank Check Device A If Blank Check fails then end production programming cycle B If chip is blank then 2 Program and Verif N A MC68HC805B6 1 Checks to see that security bit in object code file is on cleared to 0 A If the security bit is not on the programmer clears the bit and recalculates a new checksum 2 Blank Check Device a If the EEPROM is not erased then 3 Erase EEPROM Contents and Verify then 4 Program and Verify Device or b If the EEPROM is erased then 3 Program and Verify Device or B If the security bit is on 0 2 Blank Check Device a If the EEPROM is not erased then 3 Erase EEPROM Contents and Verify then 4 Program and Verify Device or b If the EEPROM is erased then 3 Program and Verify Device MC68HC705P9 1 Blank Check Device a If Blank Check fails then end produc
41. tion programming cycle b If chip is blank then 2 Program and Verif MC68HC705J1 1 Blank Check Device a If Blank Check fails then end production programming cycle b If chip is blank then 2 Program and Verif MC68HC705J2 1 Blank Check Device a If Blank Check fails then end production programming cycle b If chip is blank then 2 Program and Verif AER TECE The Engineers Collaborative Inc Page 17 MCPM 3 USER S MANUAL Exit to Main Menu This option returns the user to the TMCPM3 EXE Main Menu This is the end of the description of the Program 68HC05 Device sub menus Upload Programmer Memory to Buffer Selecting this option causes the programmer to send the contents of its RAM to the buffer memory in the host PC Examine Edit Buffer Contents Selecting this option allows the user to examine and or edit the buffer contents If the user wishes the buffer may be edited by typing over the current contents of memory locations The cursor may be moved around the screen using the arrow keys Typing TAB toggles the cursor between the HEX portion of the screen and the ASCII portion of the screen Non HEX keys are dis abled in the Hex portion of the screen non printable characters are disabled in the ASCII portion of the screen To move through the memory map in the buffer use the Page Up and Page Down keys Each page displays 256 bytes of information The buffer varies in size according to the currently selected device T
42. ut cap low 0016 output cmp high 0017 output cmp low 0018 tcounter high 0019 tcounter low 001A acounter high 001B acounter low 0050 0050 pointer 0100 0100 486F7720 message 6E6F7720 62726F77 6E20636F TDE 0112 A6FF power on reset 0114 B704 0116 B705 0118 B750 011A A601 011C B716 011E B613 0120 A6F4 0122 B717 0124 1C12 0126 9A 0127 20FE wait loop equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ equ org rmb org db Ida sta sta sta Ida sta Ida Ida sta bset cli bra 50 100 2000 rom How now brown cow 389011111111 port a ddr port b ddr pointer 500 256 output_cmp_high timer_status 500 amp Sff output cmp low 6 timer control wait loop sstart of ram area start of rom area sinterrupt vectors port a data register port b data register port c data register port d data register port a data direction reg port b data direction reg port c data direction reg spi control reg spi status reg spi data reg ssci baud rate reg ssci control reg 1 ssci control reg 2 i status reg ssci data reg timer control reg timer status reg sinput capture high reg sinput capture low reg output compare high reg output compare low reg timer counter high reg timer counter low reg alternate counter high reg alternate counter low reg ram
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