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DP83867IS: About IDLE ERROR COUNTER

Part Number: DP83867IS

Tool/software:

Hi Team,

This question is a continuation of the following thread:

https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1448230/dp83867is-about-idle-error-counter-in-register-0x000a-bit-7-0

The following response was given in this thread:

When there are maximum IDLE errors, it might be the FIFO or the clock frequency different between the processor and the PHY. One thing I would check is the average clock frequency between the processor clock signal and PHY's clock signal.

I have a question about this.

The customer is using SGMII 4-wire embedded clock.

The clock that causes the idle error is SIP/SIN, SOP/SON or XI/XO?

Best Regards,