The GMII to RGMII IP core provides the Reduced Gigabit Media Independent Interface (RGMII) between Ethernet physical media devices and the Gigabit Ethernet controller in AMD Zynq™ 7000 SoCs, AMD Versal™ devices, and AMD Zynq™ UltraScale+™ MPSoCs. This core can switch dynamically between the three different speed modes of operation (10/100/1000 Mbps).