W5100 Hardwired TCP/IP

Features

Support Hardwired TCP/IP Protocols TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE, Ethernet
10BaseT/100BaseTX Ethernet PHY embedded
Support Auto Negotiation (Full-duplex and half duplex)
Support Auto MDI/MDIX
Support ADSL connection (with support PPPoE Protocol with PAP/CHAP Authentication mode)
Supports 4 independent sockets simultaneously
Not support IP Fragmentation
Internal 16Kbytes Memory for Tx/Rx Buffers
0.18 µm CMOS technology
3.3V operation with 5V I/O signal tolerance
Small 80 Pin LQFP Package
Lead-Free Package
Support Serial Peripheral Interface(SPI MODE 0, 3)Multi-function LED outputs (TX, RX, Full/Half duplex, Collision, Link, Speed)

Datasheet