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?