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F28M35H22C: RAM_init problem of RAM_BOOT

Green Deng
Expert 4490 points
Part Number: F28M35H22C

Dear team:

One of my customers has a question after referring to the TRM (spruH22i) page 617 routine of the chip:

Can IPC MTOC transfer data into RAM M0 and M1 before C2000 booting?

Best Regards

  • 0
    TI__Guru 71835 points

    Green,

    I believe this should be OK so long as the RAMs are initialized to 0 first(to avoid ECC errors).  There is a note that the M0 will get initialized to 0 by the C2000 Boot ROM, to the customer could write to M0 before the IPC RAM init referenced in the code above.

    It would probably simpler to just init the M1 and then write both though.

    Best,
    Matthew