Request for Support: _start Exception (RESET) and SEGFLAG VCIE Error on RH850 F1KM-S1

Question

Dear Renesas Support Team, 
 I hope this message finds you well. 
 I am currently working with the RH850 F1KM-S1 microcontroller and encountering an issue where the system enters the _start exception (RESET). Upon checking the SEGFLAG register, I noticed that the VCIE flag is set. 
 . 
 Could you please guide me on how to resolve this issue,? 
 Your assistance would be greatly appreciated.

JimB · Answer

First you should inspect the reset factor register. Based on that info, if not a cold-reset then the other system registers need to be inspected depending on the reset source. 
 An error such as SYSERR needs to be handled by the exception routine before a reset is generated (assuming a non-returnable exception occurred, or if a reset is desired otherwise).