---
title: "Serial port to Ethernet module W5500 hardware TCP/IP stack SPI interface Ethernet to SPI"
url: "https://maker.wiznet.io/WIZnet/resellers/serial-port-to-ethernet-module-w5500-hardware-tcp-ip-stack-spi-interface-ethernet-to-spi-1/"
markdown_url: "https://maker.wiznet.io/WIZnet/resellers/serial-port-to-ethernet-module-w5500-hardware-tcp-ip-stack-spi-interface-ethernet-to-spi-1/md"
type: "VAR: Value-Added Reseller Products"
author: "有人物联网"
author_url: "https://detail.tmall.com/item.htm?id=577875779626&ali_trackid=2:mm_14364811_3440779_59046457:1554258892_120_1296288098&pvid=100_11.8.226.2_101437_4391554257939102334&scm=null"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "有人物联网"
original_url: "https://detail.tmall.com/item.htm?id=577875779626&ali_trackid=2:mm_14364811_3440779_59046457:1554258892_120_1296288098&pvid=100_11.8.226.2_101437_4391554257939102334&scm=null"
published: "2023-04-04"
language: "en"
hardware: ["WIZnet W5500"]
likes: 1
views: 140
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Serial port to Ethernet module W5500 hardware TCP/IP stack SPI interface Ethernet to SPI

> Serial port to Ethernet module W5500 hardware TCP/IP stack SPI interface Ethernet to SPI

Original author: 有人物联网 (source: https://detail.tmall.com/item.htm?id=577875779626&ali_trackid=2:mm_14364811_3440779_59046457:1554258892_120_1296288098&pvid=100_11.8.226.2_101437_4391554257939102334&scm=null)

## 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**

![](https://maker.wiznet.io/uploads/2019/04/O1CN011nPbGVgL8ndgCyZ_367875082-300x82.png)

Wiznet embedded W5500 chip,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).

**FEATURES**

Functional features 1.80mhz high-speed SPI interface; 2. Built-in hardware TCPIP protocol stack, users almost no need to master complex network protocol knowledge; 3. Support up to 8 Socket connections; 4. Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocols; 5. Integrated data link layer and physical layer; 6. Support power off and wake up; 7. Support high-speed serial peripheral interface (SPI mode 0~3); 8. Internal 32K byte transceiver cache; 9. Embedded 10BaseT/100BaseTX Ethernet physical layer (PHY); 10. Support for automatic negotiation (10/100-based full duplex/half duplex); 11. IP sharding is not supported; 12.3.3v working voltage, 5V withstand voltage of I/O signal port; 13.LED status display (full duplex/half duplex, network connection, network speed, activity status); 14. Ultra-small needle insertion package for embedded application; 15. Provide C application routines; 16. Direct sales by manufacturers, guaranteed technical support services, OEM and ODM Product features 1. Power supply mode: 3.3v external power supply, the current should be greater than 200mA; 2. Control interface form: TTL level of 3.3v, SPI interface; 2* single row needle; 3. PCB size (MM):23 * 25mm; 4. Mechanical dimension (length * width * height):28.5 * 23 * 24mm;

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Source: https://maker.wiznet.io/WIZnet/resellers/serial-port-to-ethernet-module-w5500-hardware-tcp-ip-stack-spi-interface-ethernet-to-spi-1/