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DP83822I: RX_D3-pin setting with LED for 100Mbps

Yasushi Fujiwara
Genius 12725 points
Part Number: DP83822I

Hello Experts,

I designed the RX_D3 pin with LED for 100Mbps Speed, but it seemed that I could only select the Link ON setting in the register setting.
Would you please tell me if there is a register or method to set it to 100Mbps Speed?
If not, is it okay to interpret it as LinkON = 100Mbps (Speed) and use it?

Best Regards,
Fujiwara

  • 0
    TI__Mastermind 18425 points

    Hello Yasushi,

    You can use register 0x462[10:8] you can configure RX_D3 to operate as LED_3. Then you can use register 0x460[7:4] you can configure LED_3 to assert only for 100Base-TX link up. Please note that registers 0x460 and 0x462 are in extended register space and you will need to use extended register space addressing to read/write to these registers.

    -Regards

    Aniruddha