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FRDM-KL25Z: Device could not be powered up.

Question asked by johntt on Apr 13, 2013
Latest reply on Apr 13, 2013 by johntt


I'm trying to debug/program FRDM-KL25Z with Keil uVision without success. I have message:

AGDI - Cortex-M Error: Device could not be powered up.

More detailed information about this error:

Debug block on the device could not be powered. Debug block on the target is not working properly. Mainly caused by target problems: debug block not powered and clocked properly

Device works with last application programmed but I can not program it any more.

This error has appeared after I debugged application with RTC/LPTMR with direct register modification. Could it be the main reason or something else?

Is that means chip is broken?