KSZ8081RNA - 10BASE-T/100BASE-TX PHY
KSZ8081RNA Features
* Single-Chip 10BASE-T/100BASE-TX IEEE 802.3 Compliant Ethernet Transceiver
* RMII v1.2 Interface Support with a 50 MHz Reference Clock Output to MAC, and an Option to Input a 50 MHz Reference Clock
* RMII Back-to-Back Mode Support for a 100 Mbps Copper Repeater
* MDC