W5500 TCP/IP Ethernet module

Features:
80MHz high-speed SPI interface
Built-in hardware TCPIP protocol stack, the user
almost no need to master the complex network
protocol knowledge Supports up to 8 Socket connections
Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocol
Integrated data link layer, physical layer
Support power-down wake-up
Supports high-speed serial peripheral interface (SPI mode 0 ~ 3)
Internal 32K bytes send and receive cache
Built-in 10BaseT / 100BaseTX Ethernet physical layer (PHY)
Supports auto-negotiation (10/100-Based full duplex / half duplex)
IP fragmentation is not supported
3.3V operating voltage, I / O signal port 5V voltage
LED status display (full duplex / half duplex, network connection, network speed, active status)
Ultra-small pin-type package for embedded applications
Provide C application routines
Product Features:
Power supply: 3.3V external power supply, the current should be greater than 200mA
Control interface form: 3.3V TTL level, SPI interface; 2 * single pin
PCB size (MM): 23 * 25 mm
Mechanical Dimensions (L * W * H): 28.5 * 23 * 24 mm