The LAN9221 is a full-featured single-chip 10/100 Ethernet controller designed for embedded applications where performance flexibility ease of integration and system cost control are required. The LAN9221 has been specifically designed to provide high performance and throughput for 16-bit applications. The LAN9221 is fully IEEE 802.3 10BASE-T and 802.3u 100BASE-TX compliant and supports HP Auto-MDIX. The variable voltage I/O signals of the LAN9221 accommodate lower voltage I/O signalling wit