Ethernet Controller ??Integrated IEEE 802.3 MAC and 10 BASE-T PHY ??Fully compatible with 100/1000 BASE-T networks ??Full/Half duplex with auto-negotiation ??Automatic polarity detection and correction ??Automatic retransmission on collision ??Automatic padding and CRC generation ??Supports broadcast and multi-cast MAC addressing Parallel Host Interface （30 Mbps Transfer Rate） ??8-bit multiplexed or non-multiplexed mode ??Only 11 I/O pins required in multiplexed mode ??Intel? or Motorola? Bus Format ??Interrupt on received packets and Wake-on-LAN 8 kB Flash Memory ??8192 bytes ISP non-volatile memory ??Factory pre-programmed unique 48-bit MAC Address ??No external EEPROM required Other Features ??LED output drivers （Link/Activity） ??Dedicated 2 kB RAM transmit buffer and 4 kB RAM receive FIFO buffer ??Power-on Reset ??5 V Tolerant I/O