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TMS320F28377S: Blank area content in binary firmware

Sheldon He
Expert 8585 points

Part Number: TMS320F28377S

Hi expert,

My customer generates binary format firmware and use it in factory programming. They have tried two types of binary, the first one treat blank content as 0x00 while the second one treat blanks as 0xFF. The first one gets problem, the second one doesn't.

Do you have advice on how to treat these blanks (especially those in the "middle" of some firmware)?

Will the 0x00 content be decoded as instructions when PC point to them? Why?

Thanks

Sheldon 

  • 0
    TI__Genius 15385 points

    Hi Sheldon,

    Both 0x00 and 0xFF is considered as an illegal instruction, so they both can be treated as blank content. When customer programmed 0x00 did they also program the corresponding Flash ECC?

    Also, can you elaborate on what problem they faced when they used 0x00 as blank?

    Regards,

    Nirav