W5500 Ethernet Network Modules for Arduino TCP UDP ICMP IPv4 ARP IGMP 51/STM32 SPI Interface 3.3V 5V I/O MCUDescription: 100% Brand new and high quality!Supports Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoESupports 8 independent sockets simultaneouslySupports Power down modeSupports Wake on LAN over UDPSupports High Speed Serial Peripheral Interfac(SPI MODE 0, 3)Internal 32Kbytes Memory for TX/RX Buffers10BaseT/100BaseTX Ethernet PHY embeddedSupports Auto Negotiation (Full and half duplex, 10 and 100-based )Not supports IP Fragmentation3.3V operation with 5V I/O signal toleranceLED outputs (Full/Half duplex, Link, Speed, Active)48 Pin LQFP Lead-Free Package (7x7mm, 0.5mm pitch)Specifications:Chip type: W5500Supports both 3.3V & 5V.Hardwired TCP/IP Protocols : TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE10BaseT/100BaseTX Ethernet PHY embeddedSupports automatic response (full duplex / half duplex mode)Supports 8 independent sockets simultaneouslyInternal 32Kbytes Memory for Tx/Rx BuffersPower off mode: supportNetwork wake: supportSPI interface (SPI MODE 0, 3),convenient connection with MCUSize: 55mm x 28mm