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Not able to debug after doing version updation in keil

alagappan muthiah

Hi,

I have upgraded my keil IDE:: LPC1800_DFP version from 2.6.0 to 2.7.0. my program is built with no error. Now i am trying to debug my program using ULINK2. But i am not able to debug. it is always showing error message.
"could not stop cortex M device, please check the JTAG".

But the same setup is working fine and able to debug, when i am using version 2.6.0.

Even i tried with changing the JTAG clock as 1MHz and 10MHz

Could anyone tell how can i resolve this issue

Thanks

Alagappan M

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    Also note i am able to do Flash and erase.

    Here i am getting 2 different error messages at different scenario

    scenario 1: once i loaded the program which is upgraded to 2.7.0, then it is giving error message as "could not stop cortex M device, please check the JTAG"

    scenario 2: I tried first erasing the chip and trying to debug. On that time i am getting error message as "CPU locked up stopping target"

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  • 0

    Also note i am able to do Flash and erase.

    Here i am getting 2 different error messages at different scenario

    scenario 1: once i loaded the program which is upgraded to 2.7.0, then it is giving error message as "could not stop cortex M device, please check the JTAG"

    scenario 2: I tried first erasing the chip and trying to debug. On that time i am getting error message as "CPU locked up stopping target"

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