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DP83867IS: Unused RX_CLK

Part Number: DP83867IS

Tool/software:

Hi All,

I have a question about the DP83867IS.

In SGMII mode, RX_CLK is not used.
Currently, the RX_CLK terminal is open, but a 125 MHz clock is output.
I would like to stop the 125 MHz clock as it may cause EMI.
Is there a way to turn the output off via a register setting?
Or is it okay to pull down the RX_CLK terminal with 10 kΩ?

Best Regards,
Ishiwata