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LAN9254-V/JRX

MCHPLAN9254-V/JRX

Microchip Technology
Ethernet Controller 10/100 Base-T/TX Bus Interface 80-TQFP-EP (12x12)
Active206 in stock

Overview

The LAN9254-V/JRX is a 3-port EtherCAT device controller with integrated dual 10/100 Ethernet PHYs designed for high-performance industrial automation. It features 8192 bytes of Process Data RAM and 32 digital GPIOs, supporting flexible interfaces including SPI, SQI, and MII. The device is rated for extended industrial temperatures from -40C to 105C, making it suitable for harsh environment deployments.

Why Choose This Part

This controller minimizes system BOM by integrating dual PHYs with HP Auto-MDIX and an internal 1.2V regulator. It offers significant design flexibility with 32 GPIO pins and support for SQI (Serial Quad Interface) to reduce pin count while maintaining high throughput. The inclusion of cable diagnostics and Wake on LAN (WoL) enhances system maintainability and power efficiency.

Applications

Industrial Fieldbus Terminals
Used as a slave controller in modular I/O systems requiring synchronized EtherCAT communication.
Motor Drive Synchronization
Provides high-precision timing and low-latency control for multi-axis motion control systems.
Robotic Actuators
Integrates into robotic joints to provide real-time feedback and control over industrial Ethernet.
Process Automation Sensors
Enables 10/100 Base-T/TX connectivity for complex sensors requiring high bandwidth and WoL support.

Key Specifications

Function Controller
Protocol Ethernet
Interface Bus
Standards 10/100 Base-T/TX
Package / Case 80-TQFP Exposed Pad
Voltage - Supply 1.14V ~ 1.26V
Operating Temperature -40degC ~ 105degC
Supplier Device Package 80-TQFP-EP (12x12)

Getting Started

Begin development with the Microchip EVB-LAN9254 EtherCAT Evaluation Board and the Microchip MPLAB Harmony v3 framework, which provides necessary drivers and EtherCAT stack support. Engineers should utilize the integrated cable diagnostic features and the Beckhoff Slave Stack Code (SSC) Tool for protocol configuration.

Also Consider

LAN9253 MCHPMicrochip Technology - Offers similar EtherCAT functionality with lower power consumption and support for faster SPI clock speeds.