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Original question:

DP83822I: RX_D3-pin setting with LED for 100Mbps

DP83822HF: RX_D3-pin setting with LED for 100base-FX

Yasushi Fujiwara
Genius 12725 points
Part Number: DP83822HF
Other Parts Discussed in Thread: DP83822I

Hi Experts,

Customer would like to configure RX_D3 to operate as LED_3 for 100base-FX. How to configure it? As I aske a below thread about DP83822I, is it same way to configure RX_D3 to operate as LED_3 for 100Mbps?

https://e2e.ti.com/support/interface/f/138/p/976912/3609430#3609430

Best Regards,
Fujiwara

  • 0
    TI__Expert 5425 points

    Hi Fujiwara,

    Yes, it is the same. You can use bits[10:8] of register 0x462 to configure RX_D3 pin to operate as LED_3. Then use bits[7:4] of register 0x460 configure the function of LED_3. Reading/Writing to these registers is the same as well, using extended register space addressing.

    Regards,

    Adrian Kam