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JTAG error: could not stop arm device

Lukas Bauer

Hello,

I'm very new to keil products. I'm working with the MDK (latest version) and the ulink2 interface to upload some code to my target (AT91RM9200 controller) - but I get always the error "could not stop arm device, please check the jtag connection".

I develop this board by myself and I want to start testing the device, today...

I used 200kHz for the MAX JTAG Clock.

Where could be the problem for this error message - in my hardware design or is it a configuration error (software problem)?

best regards
Lukas

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