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By analyzing WIZ550io schematics, this project reconstructs a hardware TCP/IP offload architecture over SPI, enabling deterministic, low-overhead ethernet.

TheoIm

Published March 20, 2026

Original author: usini · United KingdomOriginal source (new tab)

diagrams

Components

Hardware components

Project description

What the Project Does This repository is fundamentally a hardware visualization library, not an embedded system. It generates a Markdown gallery from SVG assets, meaning: No MCU firmware exists No runtime communication stack exists No actual networking logic is executed However, the important signal is hidden in the hardware abstraction: The file: Communication/ethernet_WIZ550io_ver1_0.svg represents a fully integrated Ethernet module (WIZ550io), which includes: W5500 Ethernet controller Internal PHY Magnetics RJ45 connector This is not just a drawing — it encodes a canonical embedded…

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