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rm48hdk pc is forced to 0 before data abort

eric
Intellectual 885 points

hi,

I am porting the lwip on the freertos on the rm48hdk in IAR.

a data abort is trigged (which I am looking for the reason), before that happened, PC is forced to 0, why? (I catch this by set a breakpoint in the reset vector isr).

any suggestion about this?