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xPico Ethernet connection to mag jack with RDCT and TDCT tied together

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  • xPico Ethernet connection to mag jack with RDCT and TDCT tied together

    The xPico his separate connections for ERCT and ETCT to an Ethernet jack with magnetics. I am considering use of a HanRun HR871156C jack (wanted to attach datasheet but not allowed!) which ties its RX & TX center taps together, presumably to save a pin. Will the xPico function properly if its ERCT and ETCT pins are tied together for use with this jack? If so, do you have recommendations/considerations for that configuration?

    Thanks for your help.

  • #2
    We do NOT recommend tying the two center taps together. Get the correct mag jack, or pull the TX side high and let RX side float. The xPico PHY does NOT support MDIX

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    • #3
      Thanks for your recommendation

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