WIZnet W5500 Hardwired TCP/IP Ethernet Controller IC

The WIZnet W5500 is a high-performance Hardwired TCP/IP Ethernet controller designed to simplify network connectivity in embedded systems. It integrates a full-featured TCP/IP stack, 10/100 Ethernet MAC, and PHY, reducing the burden on the host MCU and enabling fast, reliable Ethernet communication. With its SPI interface and compact LQFP package options, the W5500 is ideal for applications requiring stable and efficient internet connectivity.

Features

• Integrated Hardwired TCP/IP stack supporting TCP, UDP, IPv4, ICMP, ARP, IGMP, and PPPoE
• High-speed SPI interface (up to 80 MHz)
• Built-in 32 KB transmit/receive buffer memory
• Supports 8 independent hardware sockets simultaneously
• Low power consumption with Wake-on-LAN support
• Integrated 10/100 Mbps Ethernet MAC and PHY
• Auto-negotiation, auto-MDIX, and built-in CRC generation/check
• Flexible interrupt capability for efficient MCU interaction
• Available in compact QFN48 and LQFP48 packages for easy PCB integration

Applications

• Industrial automation and control systems
• IoT devices requiring stable Ethernet connectivity
• Home automation networks
• Security and surveillance systems
• POS terminals, kiosks, and payment machines
• Embedded systems requiring offloaded TCP/IP processing

Specification