We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
Sir,
I am working on Cortex m4 architecture over serial wire debug protocol my controller is stm32f407vg as host and stm32f407vg as target, I am able to read IDCODE(0x2ba01477 from target) which is correct as per the arm technical reference manual,and I am successfully writing 0x50000000 to CTRLSTAT register to enable CSYSPWRUPREQ and CDBGPWRUPREQ ,but the thing is while i am reading CTRLSTAT i got 0xfffffff I don't know what might be the Problem,Please suggest me what might be the Possible reason??
Thanks & Regards.