The W5100 is a full-featured, single-chip Internet-enabled 10/100 Ethernet controller designed for embedded applications where ease of integration, stability, performance, area and system cost control are required. The W5 100 has been designed to facilitate easy implementation of Internet connectivity with out OS. The W5100 is IEEE 802.3 10BASE-T and 802.3u 100BASE-TX compliant.
The W5100 includes fully hardwire d, market-proven TCP/IP stack and integrated Ethernet MAC & PHY. Hardwired TCP/IP stack supports TCP, UDP, IPv4, ICMP, ARP, IGMP and PPPoE which has been proven in various applications for several years. 16Kbytes internal buffer is included for data transmission. Simple socket programming is required.