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DP83TC812R-Q1: RMII RGMII Compatible Design during 100baseT1 and 1000baseT1

Jing Liang
Prodigy 100 points
Part Number: DP83TC812R-Q1

Tool/software:

Hello expert，

I plan to use DP83TC812R-Q1 and dp83tg720r with PIn2PIn replacement to support 100BaseT1 and 1000BaseT1 as below blog diagram show. Is that possible to use RMII for DP83TC812R while RGMII for dp83tg720r with in max variant of Schematic design, and if 100BaseT1, then use RMII for DP83TC812R, if 1000BaseT1 use then RGMII for dp83tg720r.