MK22FX512 hard reset issue

[Lily_cheng]

I have a  problem with developing  K22FX512

after several  hard reset K22FX512 continue to reset.
sometimes JLINK can't connect to  K22FX512.

I read data  after the problem happens   when K22FX512 is connected  successfully with JLINK, i see the data goes to FF.

Could you explain why the data goes to FF after reset? and why sometimes it keep reset status.

[Celeste_Liu]

Hello @Lily_cheng ,

Thanks for your post. 

I noticed that a similar post from your company contains more detailed information. I will provide a response in the other post with the same question. Please refer to:

MK22FX512AVMC12 hard reset issue - NXP Community

Any updated information, please reply in that post.

Thanks for your understanding.

BRs,

Celeste