---
title: "W5500 Ethernet for Toit platform"
url: "https://maker.wiznet.io/rena/projects/w5500-ethernet-for-toit-platform/"
markdown_url: "https://maker.wiznet.io/rena/projects/w5500-ethernet-for-toit-platform/md"
type: "UCC: User Created Content"
author: "Toit"
author_url: "https://docs.toit.io/firmware/connectivity/ethernet/#external-mac-chip"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Toit"
original_url: "https://docs.toit.io/firmware/connectivity/ethernet/#external-mac-chip"
published: "2023-03-28"
language: "en"
tags: ["W5500"]
hardware: ["WIZnet W5500"]
likes: 0
views: 268
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# W5500 Ethernet for Toit platform

> W5500 Ethernet for Toit platform

Original author: Toit (source: https://docs.toit.io/firmware/connectivity/ethernet/#external-mac-chip)

## Components

- **WIZnet W5500** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5500))

WIZnet parts: W5500 ([Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=project&utm_campaign=w5500), [product hub](https://maker.wiznet.io/products/w5500/))

## Article

The website provides a detailed explanation on how to set up Ethernet connectivity in Toit OS and how to use an external MAC chip to perform Ethernet connectivity. Additionally, Toit OS provides libraries and source code needed for Ethernet connectivity, making it easy for developers to implement the feature.

Toit OS supports multiple external MAC chips for Ethernet connectivity, and this website provides information that is helpful to developers who use Toit OS. The libraries and source code provided on this website can greatly simplify the work of developers in implementing Ethernet connectivity.

...

**External MAC chip**

When an external MAC chip is used, it's communicated with using a dedicated SPI bus.

A few different chips are supported, as indicated below.

| **MAC Chip** | **Available since** | **Argument** |
| --- | --- | --- |
| WizNet W5500 | v1.4.0 | `-p model.ethernet.mac.chip.w5500=1` |

---

Source: https://maker.wiznet.io/rena/projects/w5500-ethernet-for-toit-platform/