IEEE 802.1AS is an adapted version of the IEEE 1588 profile for AVB and TSN systems (audio/video broadcasting and time-sensitive networking). It enables high-precision time synchronization of devices and systems.

The 802.1AS protocol software offered by HMS comes as ANSI C code with a modular structure with a clear separation of the media dependent and media independent layers. This enables easy porting and fast implementation into various target systems. As a time-aware, slave-only end station, the software is the receiver of time-synchronization information provided by a grandmaster and enables synchronization of local Real Time Clocks (RTCs). The software supports the Best Master Clock algorithm, which can be optionally disabled.

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