This is very similar to the use model for an analog output, with one important difference: SENT is not limited to one data parameter per transmission and can easily report multiple pieces of additional information, such as temperature, production codes, diagnostics, or other secondary data.įig. In normal operation, the part is powered up and the transceiver starts transmitting the SENT data. For sensor calibration, a secondary interface is required to communicate with the device. For typical safety-critical applications, the sensor data must be output at a constant rate with no bidirectional communications that could cause an interruption. The SENT protocol is defined to be output only. First adopters are using this interface with sensors used for applications such as throttle position, pressure, mass airflow, and high temperature. ![]() SENT (Single Edge Nibble Transmission) is a unique serial interface originally targeted for automotive applications.
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