1. Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocol
2. Integration of the data link layer, physical layer
3. Support the wakeup
4. Support high speed serial peripheral interface (SPI model 0, 3)
5. Internal 32K bytes receive buffer
6. The embedded 10BaseT/100BaseTX Ethernet physical layer (PHY)
7. Support auto negotiation (10/100-Based full duplex or half duplex)
8. The working voltage of 3.3V, I/O and 5V voltage signal
9. Pin type package ultra small, convenient for embedded applications
