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WIZnet IO Module Series Selection Guide

WIZnet's 10 IO modules convert SPI/Parallel to Ethernet, support IPv4/IPv6 dual-stack, low power. Ideal for industrial to consumer applications.

ronpang

Published January 23, 2026

WIZnet IO Module Series Selection Guide

Project description

Preface This article focuses on WIZnet's 10 core IO modules. Each model has its own emphasis on interface type, protocol support, speed performance, and package design, covering various scenarios such as SPI/Parallel Bus to Ethernet conversion, IPv4/IPv6 dual-stack communication, and low-power networking. They meet diverse design requirements from consumer smart devices to industrial-grade high-performance terminals, helping users quickly identify suitable solutions and reduce selection and development costs. Core Features of Each Module WIZ850io Integrates W5500 chip with RJ45 port + SPI…

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