LAN8720 Ethernet Transceiver Module with RMII Interface

The LAN8720 Network Ethernet Transceiver Module is a compact, high-performance networking solution designed for embedded systems and microcontroller-based development boards. Built around the LAN8720A chip, this module provides a reliable RMII (Reduced Media Independent Interface) connection, making it ideal for engineers, hobbyists, and developers looking to add Ethernet connectivity to their projects quickly and efficiently.

Key Features

RMII Interface: Supports the Reduced Media Independent Interface (RMII) standard for seamless integration with popular microcontrollers such as STM32 and ESP32.
10/100 Mbps Support: Capable of both 10BASE-T and 100BASE-TX Ethernet operations for versatile networking applications.
Compact Design: Small form factor makes it easy to integrate into tight development board layouts and custom PCB designs.
Auto-Negotiation: Automatically negotiates the best available connection speed and duplex mode with the connected network device.
Low Power Consumption: Energy-efficient design suitable for battery-powered and embedded IoT applications.
Standard RJ45 Compatible: Works with standard RJ45 Ethernet cables for straightforward network connectivity.
Wide Compatibility: Compatible with STM32, LPC, and other ARM-based microcontrollers supporting the RMII interface.

Technical Specifications

Chip: LAN8720A
Interface: RMII (Reduced Media Independent Interface)
Network Speed: 10/100 Mbps
Operating Voltage: 3.3V
Supports: Full/Half Duplex, Auto-MDI/MDIX
Connector: Standard RJ45

Who Is This For?

Whether you're building a smart home controller, an industrial IoT node, or a custom network-enabled embedded system, the LAN8720 module delivers dependable Ethernet connectivity with minimal setup. It's a go-to component for prototyping and production-ready development alike.

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Frequently Asked Questions

Q: What microcontrollers is the LAN8720 Ethernet Transceiver Module compatible with?

A: The LAN8720 module is compatible with a wide range of ARM-based microcontrollers that support the RMII interface, including STM32 series (e.g., STM32F4, STM32F7), ESP32, and LPC family chips. It is widely used in embedded development projects requiring network connectivity.

Q: What network speeds does the LAN8720 RMII module support?

A: The LAN8720 module supports both 10BASE-T (10 Mbps) and 100BASE-TX (100 Mbps) Ethernet standards. It features auto-negotiation to automatically select the optimal speed and duplex mode supported by your network infrastructure.

Q: What operating voltage does the LAN8720 Ethernet module require?

A: The LAN8720 Ethernet Transceiver Module operates at 3.3V, making it directly compatible with most modern 3.3V microcontroller development boards without the need for a level shifter.

Q: Can the LAN8720 module be used for IoT and embedded projects?

A: Absolutely. The LAN8720 module's compact size, low power consumption, and RMII interface make it an excellent choice for IoT devices, industrial controllers, smart home systems, and any embedded application requiring wired Ethernet connectivity.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.