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Using the SENT Communications Output Protocol with A1341 and A1343 Devices

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By Nevenka Kozomora,
Allegro MicroSystems, LLC

Allegro™ MicroSystems supports the Single-Edge Nibble Transmission (SENT) protocol in certain advanced digital output sensor ICs. The SENT protocol is a commonly accepted automotive protocol for highly efficient transfer of sensor data along intravehicular communications networks, and is standardized by the Society of Automotive Engineering in publication SAEJ2716.

This application note provides a description of the Allegro implementation of the SENT protocol, which includes extensions developed by Allegro to enhance the information carrying dimensions of the output from the Allegro sensor IC to the vehicle electronic control units (ECU).

To read more, download the PDF version.