---
title: "W5500 IO MODULE"
url: "https://maker.wiznet.io/WIZnet/resellers/w5500-io-module/"
markdown_url: "https://maker.wiznet.io/WIZnet/resellers/w5500-io-module/md"
type: "VAR: Value-Added Reseller Products"
author: "Sania's Store"
author_url: "https://www.aliexpress.com/item/Network-development-board-W5500-SPI-interface-51-single-chip-computer-schematic-diagram-and-routine/32839833190.html"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Sania's Store"
original_url: "https://www.aliexpress.com/item/Network-development-board-W5500-SPI-interface-51-single-chip-computer-schematic-diagram-and-routine/32839833190.html"
published: "2023-03-24"
language: "en"
hardware: ["WIZnet W5500"]
likes: 0
views: 207
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# W5500 IO MODULE

> The development board is based on the W5500 network built-in STC12LE5A32S2 high-performance single-chip microcomputer development board sing

Original author: Sania's Store (source: https://www.aliexpress.com/item/Network-development-board-W5500-SPI-interface-51-single-chip-computer-schematic-diagram-and-routine/32839833190.html)

## 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

**INTRODUCTION**

The development board is based on the W5500 network built-in STC12LE5A32S2 high-performance single-chip microcomputer development board single-backplane and network moduleThe two parts split. W5500 Features: W5500 W5500 Integrated TCP / IP stack, 10/100 Meter Ethernet Data Link Layer (MAC) Physical Layer (PHY), possibly enabling users to connect to an expansion network connection Using a single chip with their application.

**FEATURES**

- Supported hardware TCP / IP protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE

- Support 8 independent ports (sockets) simultaneously

- Support power drop mode

- Support network wake-up call

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

- Internal 32-Kbyte Transceiver Cache

- Embedded 10 BaseT / 100 Basetx Yes Ethernet Physical Layer (PHY)

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

- IP fragmentation not supported

- 3.3 volts operating voltage, 5-volt pressure I / O signal port;

- LED status display (full duplex / anti-duplex, network connection, network speed, active)

---

Source: https://maker.wiznet.io/WIZnet/resellers/w5500-io-module/