Industrially-Targeted Gbit Ethernet Switch Features Integrated PHYs Plus AVB/TSN Synchronisation

23 August 2023

The LAN9662 from Microchip heralds the emergence of a new breed of Gbit Ethernet switch ICs.

This highly-integrated 4-port device has a performance-optimised Arm Cortex-A7 processing element supporting 600MHz operation, plus a pair of 10/100/1000BASE-T PHYs. Inclusion of a real-time engine (RTE) enables Ethernet frames to be modified, thereby resulting in cyclical data rates and reduced latency. Audio-video bridging (AVB) and time sensitive networking (TSN) functions have also been incorporated, so as to address the latency/synchronisation issues associated with standard Ethernet implementations. Housed in a 256-ball HSBGA package, the LAN9662 device is compliant with key interfacing protocols like OPC/UA and PROFINET. It offers the reliable, deterministic communication capabilities necessary for use in modern industrial networking infrastructure. 
“Expanding on the LAN966x family, the LAN9662 opens a path to scale with TSN-enabled networking endpoints,” notes Charles Forni, VP of Microchip’s USB & Networking business unit. “Our solutions offer customers the advantage of starting their designs with industry standards met, supported by a comprehensive software portfolio.” 

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