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DP83867CR: DP83867CR Technical questions

Roy Chou1
Genius 16790 points
Part Number: DP83867CR


Hi Team,

 

I would like to confirm if system side only provide the TRD 0/1 two lanes whether 83867 can identify and decode? 

 

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Regards,

Roy

  • 0
    TI__Mastermind 32565 points

    Hi Roy,

    DP83867 can detect the correct two lanes through auto MDIX, however the speed would be limited to 10M/100M.

    Is there a reason the customer uses a 1G PHY in a 10M/100M application? The schematic shows a 4-lane RJ-45 but I'm not sure how J119 and J110 are connecting to the PHY.

    Best,

    Shane