CML12-DP256 AUTORUN OR START PROGRAM AUTOMATICALLY HELP

Started by jobi...@yahoo.com in 68HC1211 years ago

Hi, I am having some problems running my program in CML12-DP256 development board. I want the program to run automatically when the...

Hi, I am having some problems running my program in CML12-DP256 development board. I want the program to run automatically when the development board is booted up. I am running into 2 problems. I use Axide Monitor software that i downloaded from the Axman website.(www.axman.com). Problem A) Auto-run feature does not work. I load the program into EEPROM starting at $8000. If i use monito...


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 Programming

Started by kuinton in 68HC1215 years ago 2 replies

Does anyone have any sample code to transmit and receive messages through the CAN port for the DP256 model of HC12? Please let me ...

Does anyone have any sample code to transmit and receive messages through the CAN port for the DP256 model of HC12? Please let me know... i tried to program it, but it ended up that i was using the wrong version... and the registers were all in a different place, and confusion en


DP256: Transmission taking place: Thankzx

Started by rithes ameen in 68HC1213 years ago

hi again , I could establish transmission. Thanks to Mr.Rob and Uwe Arends , for looking into code which was not tied enough, i ll try to...

hi again , I could establish transmission. Thanks to Mr.Rob and Uwe Arends , for looking into code which was not tied enough, i ll try to write it better from now onn. Once again thank u, Have a great day Regards, Rithesh.M Yahoo! India Matrimony: Find your life partneronline.


half-fast flash?

Started by timjenison in 68HC1215 years ago 1 reply

Using the DP256. If I do LDD ,X from internal flash, is it correct that this will take either 3 or 4 cycles depending on word...

Using the DP256. If I do LDD ,X from internal flash, is it correct that this will take either 3 or 4 cycles depending on word alignment?


Difference between MC9S12H256 and MC9S12DP256

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

Hello, Can I user PWM ports output from DP256 directly to the servo motor. Does it have protection against ove sinking ? Or is...

Hello, Can I user PWM ports output from DP256 directly to the servo motor. Does it have protection against ove sinking ? Or is that above is possible only in H256 ? Thanks Naheed


(Newbie) Any other chips with built in monitor like 9S12C32?

Started by Billy Byler in 68HC1214 years ago 1 reply

Hello, I am new to this group, but I'm learning more and more as I read. Since I'm a hobbiest, I'm coming from the viewpoint that...

Hello, I am new to this group, but I'm learning more and more as I read. Since I'm a hobbiest, I'm coming from the viewpoint that price is more important than time. I'm getting ready to take the plunge into Motorola MCUs (actually, I have worked a little with a DP256


How to detect Stack Overflow

Started by apedroso11 in 68HC1212 years ago 6 replies

Hi all, Is there any way to detect a Stack Overflow while debuggin with codewarrior 3.1 on a HCS12 DP256? (other than expending a lot of...

Hi all, Is there any way to detect a Stack Overflow while debuggin with codewarrior 3.1 on a HCS12 DP256? (other than expending a lot of time searching where some of your RAM variables have been overwritten) thanks


DP256: Still Transmission is not taking place

Started by rithes ameen in 68HC1213 years ago 3 replies

Hello there, Thank you for replying back Mr Rob and Mr Venki . As u people suggested to clear out the Listen bit i did it. But there...

Hello there, Thank you for replying back Mr Rob and Mr Venki . As u people suggested to clear out the Listen bit i did it. But there is still no response. After initialisation mode the Synch bit is changed to 1 and never change , so there is no problem with Synchronisation. It is Also selecting the First buffer through the register CANTBSEL. Then i am loading all the


Introducing the S12E128 Microcontroller

Started by Dunnett Mark-R60287 in 68HC1215 years ago 3 replies

Dear All, There have been 2 threads in this forum regarding the differences between the DP256 and the E128, and the A128 and...

Dear All, There have been 2 threads in this forum regarding the differences between the DP256 and the E128, and the A128 and E128. It seems as though we at Motorola have not been thorough in launching the E128 to the [68HC12] community. Let me address this right now. 1) Firstly, yo


Need help with table interpolation in 68hc12 (CML 12S-DP256)

Started by bravestar123 in 68HC1213 years ago 3 replies

Hi, I am trying to write a code to implement a graph lets say for this expression: Y = square(X) in assembly where x takes these...

Hi, I am trying to write a code to implement a graph lets say for this expression: Y = square(X) in assembly where x takes these values X: 2,4,6,8 result Y: sqr(2)=4,16,36,64 I was having a look at the 'tbl' table interpolation instruction, but was having difficulty in understanding its implementation. Can somebody p


Problem with SCI

Started by Yogeesh in 68HC1215 years ago 2 replies

Hi All, I am using DP256 for my application. I am trying to comunicate serially via interrupts between two identical cards ...

Hi All, I am using DP256 for my application. I am trying to comunicate serially via interrupts between two identical cards with SCI 0 (rx only) of one connected to SCI 1 (tx only) of the other. I have configured SCICR1 as 0x00 and SCICR2 as 0x2C in both SCIs. I am enabling transmi


Derivate differences

Started by Daniel Lundin in 68HC1215 years ago 6 replies

I have a question about derivates (HCS12): What is the difference between, for example DP256 and DP256B? I haven't managed to...

I have a question about derivates (HCS12): What is the difference between, for example DP256 and DP256B? I haven't managed to find any information about this in the data sheets other than that B stands for "Flash rev". Is there a document that more specificly tells what


SDI Tools

Started by Lewis, Bob in 68HC1216 years ago 6 replies

You can try the product from www.elektronikladen.de compod12. There is a beta test for the DP256 part now; although I have not used...

You can try the product from www.elektronikladen.de compod12. There is a beta test for the DP256 part now; although I have not used the beta, given my past knowledge of the company, it will be perfected very soon. Elektronikladen does reference designs for Motorola and the quality of their


Help

Started by nourddine khentout in 68HC1211 years ago

Hi I have a CML 12S-DP256 Development Board for Motorola MCS12DP256 and I want to use it temporary as a data acquisition card to read 2...

Hi I have a CML 12S-DP256 Development Board for Motorola MCS12DP256 and I want to use it temporary as a data acquisition card to read 2 digital signals. My first question is: what is the maximum frequency of the input signal which I can reach in this application. My second question : what is the external crystal value which I can insert on the board to increase the dynamic o...


Sample DP256 Parts

Started by Jonathan Masters in 68HC1215 years ago 4 replies

Hello all. If I was trying to get two MC9S12DP256CCPV parts for a first prototype on a product how would I begin? I have asked...

Hello all. If I was trying to get two MC9S12DP256CCPV parts for a first prototype on a product how would I begin? I have asked the FAE at Arrow locally and was told they had some. When I went back the office people told me that I needed to buy 60 pieces and would have to wait


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.


S12E256 SuperChip: PlanB

Started by Bruce McMillan in 68HC1215 years ago 6 replies

In migrating to the E series I'm having to fit my DP256 code into 128K. Because we do field upgrades over an IR link, we load new...

In migrating to the E series I'm having to fit my DP256 code into 128K. Because we do field upgrades over an IR link, we load new code into low memory, do a CRC, and only if it checks OK, write it to hi memory from where it executes. Seems the only way I will be able to get m


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


Reset Chip Question

Started by Adrian Vos in 68HC1214 years ago 7 replies

Hi All, Sorry for the slight topic tangent. I am using a MAX809L reset chip with a DP256. It works great, and I have no ...

Hi All, Sorry for the slight topic tangent. I am using a MAX809L reset chip with a DP256. It works great, and I have no EEPROM memory loss issues that I had previously without it. The only problem I have is that I have an application for this hardware that requires very