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How to Build an Industrial FPGA Network Stack with WIZnet W5500 on Verilog?

This Industrial IoT project uses Verilog FPGA logic to control a WIZnet W5500 through an 80 MHz SPI interface.

gavinchang

Published July 18, 2026

Original author: QQ68823886Original source (new tab)

How to Build an Industrial FPGA Network Stack with WIZnet W5500 on Verilog?

Project description

How to Build an Industrial FPGA Network Stack with WIZnet W5500 on Verilog? Summary This Industrial IoT project uses Verilog FPGA logic to control a WIZnet W5500 through an 80 MHz SPI interface. The FPGA implements initialization, socket scheduling, event handling, data movement, and fault-recovery state machines, while W5500 provides the 10/100 Ethernet MAC/PHY, hardwired IPv4 TCP/IP processing, eight hardware sockets, and 32 KB of packet memory. The architecture is suitable for deterministic data acquisition, industrial control gateways, machine monitoring, and multi-channel telemetry…

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