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TMS320F280049C: When writing the program, I’ll run into interruption if I run the “Fapi_setActiveFlashBank” algorithm

Part Number: TMS320F280049C

Hi Team,

 

When writing the second-stage bootloader, I followed the procedures, ran the “Fapi_setActiveFlashBank” algorithm, and then would enter the “ILLEGAL_ISR” algorithm, ending up in an endless loop. What has caused this problem? Under what circumstances will I enter such an “ILLEGAL_ISR” algorithm?

 

Kind regards,

Katherine