Hello,everyone i am using MCB2140 board from keil.when i start debugging using Ulink it will show the message that "could not stop arm decive.please check Jtag cable". but it works fine for philips flash tools. when i simulate code using simulator and then after using philips flash utility it will works fine.SO can nayone help me on this topic.documents avialable for this problem on keil web, i have read it and followed it but it is not working.
Thanks dude. Slowing the JTAG frequency was the solution for me.
Try to use slower JTAG clock say 100k and/or try with different combination.
There are several reasons why JTAG does not work.
Please see: http://www.keil.com/support/docs/2993.htm http://www.keil.com/support/docs/3158.htm
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