---
title: "W5500 Ethernet module TCP/IP stack SPI interface Ethernet module compatible with WIZ820io"
url: "https://maker.wiznet.io/WIZnet/resellers/w5500-ethernet-module-tcp-ip-stack-spi-interface-ethernet-module-compatible-with-wiz820io/"
markdown_url: "https://maker.wiznet.io/WIZnet/resellers/w5500-ethernet-module-tcp-ip-stack-spi-interface-ethernet-module-compatible-with-wiz820io/md"
type: "VAR: Value-Added Reseller Products"
author: "Sailing electronic"
author_url: "https://item.taobao.com/item.htm?id=585531692293&ali_trackid=2:mm_41830471_43646546_358846648:1556262250_247_1183331747&clk1=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b&upsid=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Sailing electronic"
original_url: "https://item.taobao.com/item.htm?id=585531692293&ali_trackid=2:mm_41830471_43646546_358846648:1556262250_247_1183331747&clk1=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b&upsid=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b"
published: "2023-03-27"
language: "en"
hardware: ["WIZnet W5500"]
likes: 0
views: 277
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# W5500 Ethernet module TCP/IP stack SPI interface Ethernet module compatible with WIZ820io

> W5500 Ethernet module TCP/IP stack SPI interface Ethernet module compatible with WIZ820io

Original author: Sailing electronic (source: https://item.taobao.com/item.htm?id=585531692293&ali_trackid=2:mm_41830471_43646546_358846648:1556262250_247_1183331747&clk1=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b&upsid=cdd4b4faa8c01b2a6a0bcfd8fc5eec1b)

## 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

**FEATURES**

80MHz high-speed SPI interface

Built-in hardware TCPIP protocol stack, users almost no need to master the complex network protocol knowledge

Support up to 8 Socket connections

Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocol

Integrated data link layer, physical layer

Support power off and wake up

Support high-speed serial peripheral interface (SPI mode 0-3)

Internal 32K byte transceiver cache

Embedded 10BaseT/100BaseTX Ethernet physical layer (PHY)

Support for automatic negotiation (10/100-based full duplex/half duplex)

IP sharding is not supported

3.3v working voltage, 5V withstand voltage of I/O signal port

LED status display (full duplex/half duplex, network connection, network speed, activity status)

Ultra - small pin - in package for embedded applications

Provide C application routines

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Source: https://maker.wiznet.io/WIZnet/resellers/w5500-ethernet-module-tcp-ip-stack-spi-interface-ethernet-module-compatible-with-wiz820io/