80MHz high-speed SPI interfaceBuilt-in hardware TCPIP protocol stack, users hardly need to master complex network protocol knowledgeSupport up to 8 Socket connectionsSupport TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocolsIntegrated data link layer, physical layerSupport power-down wake-upSupport high-speed serial peripheral interface (SPI mode 0~3)Internal 32K bytes transceiver bufferEmbedded 10BaseT/100BaseTX Ethernet Physical Layer (PHY)Support auto-negotiation (10/100-Based full duplex/half duplex)IP fragmentation is not supported3.3V working voltage, I/O signal port 5V withstand voltageLED status display (full/half duplex, network connection, network speed, activity status)Ultra-small pin package for embedded applicationsProvides application routines for CProduct Features:Power supply mode: 3.3V external power supply, the current should be greater than 200mAControl interface form: 3.3V TTL level, SPI interface; 2 x single row of pinsColour: greenMaterial: ABSSize: 23 x 25 mmPackage Contents:4 x W5500 Ethernet network moduleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.