Microchip LAN9514I-JZX, Ethernet Controller, 1.5Mbps, 3.3 V, 64-Pin QFN
5 Mbps, 12 Mbps, 480Mbps, Loopback Mode: Internal, Standard Supported: IEEE 802.5Mbps, 3.95mm, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -40 °C.3 V, 64-Pin QFN, Physical Network Type: 100BaseTX, 10BaseT, IC Type: Controller IC, Communication Mode: Full Duplex, Half Duplex, Data Rate: 1.