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 Zynq®-7000 SoCs, Versal® devices, and Zynq® UltraScale+™ MPSoCs. This core can switch dynamically between the three different speed modes of operation (10/100/1000 Mb/s).