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EOE-W55

EOE-W55 is a module that combines the Espressif ESP32-S3 and the WIZnet W5500. It provides wired Ethernet with hardwired TCP/IP, together with Wi-Fi and Bluetooth LE. It supports ESP-IDF, Arduino, and Zephyr.

ESP32-S3

Dual-core Xtensa LX7 up to 240MHz

10/100Mbps Ethernet

W5500 hardwired TCP/IP, IPv4

Wi-Fi 4 + Bluetooth LE

802.11 b/g/n 2.4GHz, U.FL antenna connector

18.3 x 26.15 mm

1.1mm pitch, 3.3V single rail

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DatasheetDatasheet Docs

Key Features

Hardwired TCP/IP

TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE with 8 sockets and 32KB TX/RX buffer

Secure Boot

Secure boot and flash encryption supported

Development Frameworks

ESP-IDF, Arduino, and Zephyr

Peripheral Interfaces

GPIO, ADC, I2C, SPI, USB, and UART0

Features

  • ESP32-S3 (dual-core Xtensa LX7 up to 240MHz) with W5500 hardwired TCP/IP controller
  • 10/100Mbps Ethernet, IPv4, SPI connection between ESP32-S3 and W5500
  • Hardwired TCP/IP: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE with 8 sockets and 32KB TX/RX buffer
  • Wi-Fi 4 (802.11 b/g/n, 2.4GHz) and Bluetooth LE, U.FL antenna connector
  • Secure boot and flash encryption
  • Development frameworks: ESP-IDF, Arduino, and Zephyr
  • External interfaces: GPIO, ADC, I2C, SPI, USB, and UART0
  • Debug via native USB and UART0
  • 3.3V single rail
  • 18.3 x 26.15 mm, 1.1mm pin pitch

Specifications

ItemSpecification
TypeEthernet, Wi-Fi, and Bluetooth LE System-on-Module
MCUESP32-S3: dual-core Xtensa LX7 up to 240 MHz
Ethernet controllerW5500 Hardwired TCP/IP controller
Controller connectionSPI connection between ESP32-S3 and W5500
Hardwired TCP/IPTCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE; 8 sockets; 32 KB TX/RX buffer
Ethernet10/100 Mbps Ethernet, IPv4
Wireless connectivityWi-Fi 4 / 802.11 b/g/n, 2.4 GHz and Bluetooth LE
Development frameworksESP-IDF, Arduino, and Zephyr
External interfacesGPIO, ADC, I2C, SPI, USB, and UART0
DebugNative USB and UART0
Antenna connectorU.FL connector for Wi-Fi and Bluetooth LE
Supply3.3 V single rail
Size18.3 x 26.15 mm
Pin pitch1.1 mm

Documentation

This section provides key documentation, including the datasheet.

Name Description Notes
Datasheet Hardware specification and module interfaces - EN link 한국어 link
EOE-W55-EVB Evaluation board for EOE-W55 - EN link

Evaluation Boards & Related modules

Complementary WIZnet solutions with diverse interfaces and performance levels

Related Modules

W5500link

The W5500 chip is a Hardwired Internet controller with an integrated full TCP/IP stack, enabling Internet connectivity via SPI with up to 80MHz speed. It combines 10/100 Ethernet MAC and PHY for stable connectivity and supports protocols like TCP, UDP, IPv4, among others. With 8 sockets and 32KB internal memory, it simplifies Ethernet application development and includes features like WOL and Power Down Mode for energy efficiency.

EOE-W55

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