Description: The W5500 module is based on the Ethernet WSi500 new chip W5500 module, the module integrates the entire hardware TCP / IP protocol stack, without the need to implement the TCP / IP protocol stack. transfer rate of 10 / 100MBPS. Sleep mode and Wake on LAN are supported in the integrated 32K TX / Rxlev cache. Support 8 ports to run at the same time, Module 3.3V or 5V power supply, which is convenient for users to use in SCM system. Module and MCU system communication mode is SPI protocol. Support SPI clock frequency up to 80M, provide STM32 and 51 SCM client, server, three UDP routine modes. Specification: Hardware support TCP / IP protocols: TCP, UDP, ICMP, IGMP, IPv4, ARP, IGMP, PPPoE and Ethernet. eight ports (sockets). It provides sleep mode. WOL provided. Support high- SPI bus (SPI mode 0,3). 32K bytes of internal memory as TX / Rxlev buffer. Embedded 10 / 100Mbps Ethernet Physical Layer. It auto-negotiation (10