9.2.6.20 PHY Interface

Different PHY interfaces are supported by the Gigabit Ethernet MAC:

• MII – operates at 10/100 Mbps and uses GTX[3:0] and GRX[3:0].
• RMII – operates at 10/100 Mbps and uses GTX[1:0] and GRX[1:0].
• RGMIIv1.3 – operates at 10/100/1000 Mbps.