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DP83867IS: DP83867IS - 10BASE-Te operation: effect when 10M_SGMII_RATE_ADAPT set to '0'?

AnBer
Mastermind 30120 points
Part Number: DP83867IS

Team,

Could you please help with the below question:

we use the DP83867IS in SGMII mode, combined with 10mbit line rate.

In accordance to the datasheet, the 10M_SGMII_RATE_ADAPT bit in the 10M_SGMII_CFG register is set to '0' for this mode.

What is the effect if we leave 10M_SGMII_RATE_ADAPT set '0' on phy operation at 100mbit and 1000mbit line rate?

I have seen the below existing posts that are related to this but seems to discuss about when the 10M_SGMII_RATE_ADAPT is set to '1':
https://e2e.ti.com/support/interface/ethernet/f/903/p/633587/2342018?tisearch=e2e-quicksearch&keymatch=DP83867IS%2010M_SGMII_RATE_ADAPT#2342018

https://e2e.ti.com/support/interface/ethernet/f/903/t/633969

Thanks in advance,

A,.