Schematic EVB with HCs12

Started by mich...@gmail.com in 68HC129 years ago 3 replies

i'm anewbie.I like HCS12 but at VietNam no sale Kit. I want draw a board to test.help me for a schematic. If have schematic interface USB to...

i'm anewbie.I like HCS12 but at VietNam no sale Kit. I want draw a board to test.help me for a schematic. If have schematic interface USB to download program is good. ------------------------------------


Missing bits in CAN frames, on HCS12

Started by ls_vettiner in 68HC1213 years ago 1 reply

Hello all, I'm trying to use CAN/CANopen between an HCS12 (m9s12dp256b, with philips PCA82C250) and an operator panel (from ESA),...

Hello all, I'm trying to use CAN/CANopen between an HCS12 (m9s12dp256b, with philips PCA82C250) and an operator panel (from ESA), which integrates a canopen adapter (based on philips PCA82C250...). All CAN frames being send by the hcs12 are missing : the "CRC delimiter", the "ACK slot" , and the "ACK delimi


How to make an HCS12 doorstop

Started by hashlock in 68HC1213 years ago 8 replies

Hi folks, Is it my understanding that if I erase an HCS12's FLASH, but not its EEPROM, and then reset the device before programming the...

Hi folks, Is it my understanding that if I erase an HCS12's FLASH, but not its EEPROM, and then reset the device before programming the security byte (0xFF0F) to 0xFE, that BDM will no longer work? Have I just created a doorstop to add to my collection? :) Hans


HCS12 elvaluation board

Started by andres in 68HC1215 years ago 5 replies

HI I need one evaluation board for a HCS12 or MC9S12A128B please where I can buy it? thanks to all ...

HI I need one evaluation board for a HCS12 or MC9S12A128B please where I can buy it? thanks to all


PWM ports on HCS12

Started by Naheed M K in 68HC1215 years ago 2 replies

Hi, Could I drive any motors directly using HCS12 output port pin with out any Drivers(H-bridge). If yes then could you please...

Hi, Could I drive any motors directly using HCS12 output port pin with out any Drivers(H-bridge). If yes then could you please give the partno of that motor preferably with rotary encoders. Thanks Naheed


HCS12 Books?

Started by mcu_guy in 68HC1216 years ago 1 reply

Greetings, Does anyone here know of any good books that teach the operation of the HCS12 (with example code in C)? Thanks...

Greetings, Does anyone here know of any good books that teach the operation of the HCS12 (with example code in C)? Thanks for your suggestions.


HCS12 programmer.

Started by Pablo in 68HC1212 years ago 7 replies

Hello people, somebody knows about a free programmer for the HCs12 family? In old messages i didn't find information about free hardware...

Hello people, somebody knows about a free programmer for the HCs12 family? In old messages i didn't find information about free hardware programmers. Thank you very much, Pablo (Argentina, Buenos Aires)


Re: Need info on powering and saving data to the hcs12 without the ac outlet plu

Started by Eric Engler in 68HC1211 years ago 1 reply

--- In 6...@yahoogroups.com, "dloonx" wrote: > Hello, does anyone know how I can program the hcs12 MCU to run without > the ac outlet...

--- In 6...@yahoogroups.com, "dloonx" wrote: > Hello, does anyone know how I can program the hcs12 MCU to run without > the ac outlet jack attached to it? maybe you should try a battery?


free C compiler for HCS12 ?

Started by Anh Quan Nguyen in 68HC1213 years ago 15 replies

Hi everyone, is there anyone know a free C compiler for HCS12 ? I am using S12Compact Kit. It take so long to program in Assembly...

Hi everyone, is there anyone know a free C compiler for HCS12 ? I am using S12Compact Kit. It take so long to program in Assembly language. Thankx in advance,


Use FLASH_PAGE4000 in HCS12

Started by montserret_maxime in 68HC1212 years ago 1 reply

Hi there, I'm working on HCS12 microcontroler and I would like to force storage of initialized variables into FLASH_PAGE4000 (0x04000 TO...

Hi there, I'm working on HCS12 microcontroler and I would like to force storage of initialized variables into FLASH_PAGE4000 (0x04000 TO 0x07FFF) and to keep ITs into FLASH_PAGEC000(0x0C000 TO 0x0FEFF). Because I have not enough place to store a bootloader into FLASH_PAGEC000. Many thanks in advance for your help.


Difference between S12 and S12X

Started by drew...@gmail.com in 68HC128 years ago 2 replies

I have code written for a HCS12 Micro and was thinking about porting it over to a HCS12(X). It has interrupts, and it seems that the interrupts...

I have code written for a HCS12 Micro and was thinking about porting it over to a HCS12(X). It has interrupts, and it seems that the interrupts are handled differently. Is this true, or if the modules are the same between the 2 chips, will the code just port over and work the same. ------------------------------------


HCS12: Pierce Oscillator

Started by danne_lundin in 68HC1215 years ago 8 replies

I want to use a Pierce Oscillator (with a 20MHz crystal), but it doesn't work for some reason. Does anyone know where I can get...

I want to use a Pierce Oscillator (with a 20MHz crystal), but it doesn't work for some reason. Does anyone know where I can get more information or schematics on how to do this together with the HCS12? I'm using HCS12DG256 and the Codewarrior compiler.


loss communication between COSMIC ZAP debugger and HCS12 DJ64

Started by jo_wan_soo in 68HC1213 years ago

Our application were built with COSMIC compiler and download to HCS12 DP256 evm board using BDM Multilink (parallel port/usb port)cable, ...

Our application were built with COSMIC compiler and download to HCS12 DP256 evm board using BDM Multilink (parallel port/usb port)cable, everything works fine, we can download and debug the program to DP256 board with BDM multilink cable without any problems. However, we recently switched to different board running with HCS12 DJ64 controller, then the problem


CAN Bootloader HCS12

Started by cumbotl in 68HC1213 years ago 1 reply

Hi; I have been assigned the task of writing a CAN bootloader for the HCS12C64 chip. I am new to the world of the HCS12 family and would ...

Hi; I have been assigned the task of writing a CAN bootloader for the HCS12C64 chip. I am new to the world of the HCS12 family and would like any info on where to start to look for information on the process of building a bootloader for this chip, using the CAN bus.


ISP for 9S12DP256 HCS12

Started by tech_e_micro in 68HC1214 years ago 5 replies

I have been using an old Atmel 8535 chip - ABC miniBoard for a while now and I thought it might be time to move up. I am looking...

I have been using an old Atmel 8535 chip - ABC miniBoard for a while now and I thought it might be time to move up. I am looking into developing systems with HCS12 and would like to be able to program a 9S12DP256 via RS232 comms or parallel port from the PC without the need for p


Fw: HCS12 with non-multiplexed expand paged memory.

Started by Andrew Lohmann's New Email Server in 68HC1215 years ago 5 replies

Hi All, Does anyone know if there will be a variant of HCS12 with non-multiplexed memory in the future? It seems to me that the...

Hi All, Does anyone know if there will be a variant of HCS12 with non-multiplexed memory in the future? It seems to me that the only option is to use HC16, but this a little different, does not have so much flash and may be an unpopular choice. I have used this controller and find


HCS12 with 3 SCI Ports?

Started by jmey...@emittechnologies.com in 68HC129 years ago 4 replies

I have been looking, but I can't seem to find any HCS12 products with more than two undependant SCI ports. Does anyone know of a HSC12 product...

I have been looking, but I can't seem to find any HCS12 products with more than two undependant SCI ports. Does anyone know of a HSC12 product that does? ------------------------------------


Tech Arts HCS12: DP256 vs. E128

Started by Jim Fiocca in 68HC1215 years ago 4 replies

Hi, I'm getting ready to invest in an HCS12 board to be used as a robotic controller. I think I have it narrowed down to the ...

Hi, I'm getting ready to invest in an HCS12 board to be used as a robotic controller. I think I have it narrowed down to the Technological Arts Adapt9S12DP256 and the Adapt9S12E128. I know the E part is newer, but I'm having a hard time figuring out why it would be better for me.


using codewarrior without a BDM

Started by oulaxer11 in 68HC1215 years ago 4 replies

More Noob question - I have an Axiom Board with the HCS12 - DP256 I wrote a VERY simple C program in codewarrior and tested...

More Noob question - I have an Axiom Board with the HCS12 - DP256 I wrote a VERY simple C program in codewarrior and tested it... I want to download it to the flash of the HCS12 using the AxIDE but when i try to upload the S - record i get a ROM error, which ma


Limited Monitor Program for HCS12

Started by Steve Auch-Schwelk in 68HC1214 years ago 6 replies

I have been using the HCS12 with DBUG12. I realise that to use the full features of the MC, I will at some stage have to scrap...

I have been using the HCS12 with DBUG12. I realise that to use the full features of the MC, I will at some stage have to scrap DBUG12, and use some other code. My requirements will be quite simple. I want to be able to upload via the serial cable (into RAM and EEPROM (internal and