Background: I am designing a custom PCB using the F28388D C2000 SOC with the DP83640 PHY and Pulse JKM-0201NL connector with embedded magnetics.
Question: To optimize the layout (keeping Connector to Phy differential signals on top layer and not routing under connector), I would need to swap RX & TX differential pairs as well as reverse each pair's polarity (swapping diff + and - signals).
From what I read in the DP83640 data sheet, it seems that all of this is automatically handled and/or corrected by the PHY automatically and WITHOUT need to change PHY settings from their default.
I was hoping you could you confirm this for me. We expect to use this at 100M, but is there any operational differences in the PHY compensating for these "swaps" depending upon the link type itself?
Thanks for your support.