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does the TMS320C6678 controller ECC data pin "DDRCB00~DDRCB07" surpport swap pin?

jian.wang
Prodigy 50 points
Other Parts Discussed in Thread: TMS320C6678

when use TMS320C6678,we use 64bit data + 8bit ECC;Now the PCB Layout is really hard to get some place for ECC line;I check the datasheet but there's nothing talk aboat that. I want to know wether ECC data pin "DDRCB00~DDRCB07" surpport swap pin? thanks

  • 0
    TI__Mastermind 42545 points

    Are you asking whether the ECC bits DDRCB00-DDRCB07 can be swapped within that byte?

    For example are you asking if the connections can be similar to below?

    DDRCB00 on the C6678 can be connected to CB04 on the memory

    DDRCB01 on the C6678 can be connected to CB05on the memory

    DDRCB02 on the C6678 can be connected to CB07 on the memory

    DDRCB03 on the C6678 can be connected to CB06 on the memory

    DDRCB04 on the C6678 can be connected to CB00 on the memory

    DDRCB05 on the C6678 can be connected to CB01 on the memory

    DDRCB06 on the C6678 can be connected to CB03 on the memory

    DDRCB07 on the C6678 can be connected to CB02 on the memory