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DP83825I: Unable to receive RX data

Boris Chou
Prodigy 85 points
Part Number: DP83825I


Tool/software:

Hi TI,

Some of our devices are experiencing Ethernet issues. We have confirmed that the handshake is successful and the Ethernet link is established at 100M, but the RX data is not being received.

Do you have any suggestions? We have verified that the voltage levels and crystal oscillator are correct. Please refer to the attached file for the status of the registers.

/cfs-file/__key/communityserver-discussions-components-files/138/Ethernet_5F00_bad_5F00_EE_5F00_014.txt

Thanks,

Boris.

  • +1
    TI__Mastermind 25955 points

    Hi Boris,

    Based on your register read, it seems like PHY is able to link up properly through register 0x0001. Most of the function inside the PHY is working properly if the PHY is able to link up.

    If possible, could you probe the data on both RX and TX on the MAC interface and see if you are able to see any communication?

    --

    Regards,

    Hillman Lin