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TMS320F280037C: Universal Motor Control based code will not reboot on CPU reset or power cycle

Part Number: TMS320F280037C


Hello,

My Universal Motor Control based code boots just fine on initial program, but will not reboot on CPU reset or power cycle.

The goal of course is to have this microcontroller reboot gracefully on power disconnect and reconnect.

The pointer seems to get stuck in the boot ROM area of code:

"Break at address "0x3fdba4" with no debug information available, or outside of program code."

Running the code a bit longer will get it stuck in an endless loop:

"Break at address "0x3fb8b9" with no debug information available, or outside of program code."

I wonder if it is security zone settings bungled or something. I did not intend to set up any secure zone settings, but on investigating this error I did click the program button for zone 1 and zone 2.

I could not find any documentation related to this area in code, other than a memory map which calls this area 'Boot ROM'

Any advice on how to circumvent this issue?