The MCU of XS128 problem:Target reset pin timeout(rise)

xiasxian — Tue, 29 Mar 2016 12:35:38 GMT

Today,I download one code on the mcu of mc9s12xs128,After that,when i want download the code again ,the screen bring out the tips:Target reset pin timeout(rise).I don't known how to solve the problem .So who can teach me,thanks

Re: The MCU of XS128 problem:Target reset pin timeout(rise)

xiasxian — Tue, 29 Mar 2016 15:17:32 GMT

MCU:mc9s12xs128

Re: The MCU of XS128 problem:Target reset pin timeout(rise)

ZhangJennie — Thu, 31 Mar 2016 08:06:21 GMT

Hi,

to solve the problem, we need to know:

1. your Codewarrior version

2. your board is NXP demo board or self designed board?

3. all the error message screenshots

meanwhile, please try this:

If you can not load any SW into the MCU it is more probable that the MCU is secured.
Sometimes when you change the MCU on the BDM it can happen that MCU get secure (depends on internal MCU memory configuration and the last debugger configuration). here is how to unsecure the MCU:
use external unsecure SW – can be downloaded from www.pemicro.com. (You have to create your own account to get access to Unsecure_12 (5699 KB)): Utility which unsecures HCS12 devices via P&E's BDM Interfaces such as Cyclone-PRO, USB-ML-12, and BDM-Multilink. http://www.pemicro.com/support/download_processor.cfm

Unsecure_12 Help Files: This .hlp file describes the use and operationg of the Unsecure_12 program which is used with P&E's interface devices to unsecure proeviously secured HCS12 microcontrollers.

Have a great day,
Jennie Zhang

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The MCU of XS128 problem:Target reset pin timeout(rise)

Re: The MCU of XS128 problem:Target reset pin timeout(rise)

Re: The MCU of XS128 problem:Target reset pin timeout(rise)