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C6670 EVM NAND Flash via GPIO

g.f.
Guru 15510 points

Hi,

I have a question about C6670EVM.

On EVM, NAND flash are connected to C6670 via GPIO.
What is the purpose of this NAND flash? Is it only for IBL boot?

best regards,
g.f.

  • 0
    TI__Guru**** 161600 points
    Hi,

    This has been forwarded to the HW designers. Their feedback will be posted here.

    Best Regards,
    Yordan
  • 0 in reply to Yordan Kovachev
    TI__Mastermind 46460 points

    g.f.,

    The C6670 does not have an Asynchronous EMIF like the C6678.  Therefore, since some customers wanted to be able to boot an Operating System (OS) like SYS BIOS, the NAND was connected to GPIO pins.  Software examples are provided with a driver to show how this works.  You would not use this as an Intermediate Boot Loader (IBL) as this is a large non-volatile memory.  This would be the location for an OS.  However, there would need to be an IBL in a different boot device such as the SEEPROM or SPI NOR.

    Tom