单片机的以太网控制器CP2201-GM

　　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