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TMS320C6747: Shared memory cannot be accessed by external processor.

Part Number: TMS320C6747
Other Parts Discussed in Thread: SYSBIOS

Hello. I am migrating a BIOS 5 in CCS 3.x program to BIOS 6 CCS 9.3.

I have problems the external processor to write in Shared memory. It can read but not writing. I have reviewed every register that affect HPI, but they have the same values than the old program. The memory map is equal than old program. Cache is disabled.

Does BIOS 6 require anything for the shared memory can be written by an external device via HPI?

thanks