Gigabit Ethernet Transceivers Deliver Critical Process Synchronization

By Jay Soni

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Microchip has introduced new gigabit ethernet transceivers that offer high precision time stamping to optimize process control functionality.

Credit : Microchip Technology Inc.

Industrial machineries ask for a broad range of compatibility to deliver critical process synchronization. The new LAN8840 and LAN8841 Gigabit Ethernet transceiver devices meet IEEE 1588v2 standards for Precision Timing Protocol. These devices are enabled with Linux drivers and deliver flexible Ethernet speed options including 10BASE-T, 10BASE-Te, 100BASE-TX and 1000BASE-T.

These devices can facilitate critical packet prioritization by providing high-speed time stamping. These packets are then relayed between the various components to determine network latencies, accommodate for those latencies, and synchronize time amongst all connected devices. This process acts as a key for process automation applications that require precise control production systems such as robotics, distributed sensors and cooling and mixing systems.

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“The new LAN8840/41 single-port transceivers round out our Time Sensitive Networking offering by providing the connectivity for end nodes in process automation applications,” said Charles Forni, vice president of the USB and networking business unit at Microchip. “These devices complement our existing Ethernet portfolio, providing our customers with an end-to-end network solution of components, development tools and support from Microchip.”

Features
  • Wake-on-LAN (WoL)
  • Energy-detect power-down mode
  • Energy-Efficient Ethernet (EEE)

The devices comes with a Ethernet Development System (EDS) Daughter Card which is designed to provide a modular addition to compatible Microchip host boards. When this device is paired with PCIe Networking Adapter, it enables evaluation of the LAN8841 through any host supporting the PCIe interface.


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