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TMS320F28335: Issue of errata "Memory: Prefetching Beyond Valid Memory"

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Part Number: TMS320F28335

Hi,

Customer is using F28335 for their applications. Now we have a doubt about the errata "Memory: Prefetching Beyond Valid Memory". 

It's said that: 

The C28x CPU prefetches instructions beyond those currently active in its pipeline. If the prefetch occurs past the end of valid memory, then the CPU may receive an invalid opcode.

So, what's the "valid memory"? 

Is the case below workable or not? It should OK, my point of view, as the memory after RAML4 is still valid. 

RAML4 has only 1 word unused. Application code is saved in RAML4. Global variables are saved in RAML7.

Thanks a lot.

Br, Jordan


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