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Original question:

DP83TC811S-Q1: DP83TC811S-Q1 application issue

DP83TC811S-Q1: DP83TC811S-Q1 only supports 100Mbps, why does it have RGMII and SGMII interface?

Eggsy Pang
Expert 4985 points
Part Number: DP83TC811S-Q1

Hi Team,

       DP83TC811S-Q1 only supports 100Mbps Ethernet, why does it have RGMII and SGMII interface?  In my opinion,  RGMII and SGMII interface supports 1000Mbps Ethernet.

Do you have any suggestions?

Thanks!

  • 0
    TI__Mastermind 26320 points
    Hi,

    RGMII and SGMII supports 1000M, 100M and 10M. This interface is useful in cases where MAC attached is gigabit MAC and only supports these interfaces and not MII/RMII.

    Regards,
    Geet