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Why c6678 EVM needs IBL for SPI boot and our custom board does not require IBL?

ashok m
Intellectual 270 points
Other Parts Discussed in Thread: TMS320C6678

Hi,

I understood that c6678 EVM needs to IBL boot from 0x51 initially through I2c to configure PLL, as initially lot of c6678 is having a issue of PLL. And custom board doesn’t require IBL to boot from SPI NOR flash. But, how do I know my assembled c6678 DSP is not from first lot.

Could someone post more details how to find out IBL requirement to custom board?

Thank you

Ashok.M

  • 0
    TI__Mastermind 28085 points
    Hi,

    Refer section "3.3.3 JTAG ID Register (JTAGID) Description" on C6678 data manual. It will be help you to find out the C6678 silicon version. Also refer the "Figure 2-17 C66x DSP Device Nomenclature (including the TMS320C6678)".

    Thanks,