Reconfigurable sensor unit for electronic device

A sensor chip mounted on a printed circuit board (PCB) and electrically coupled to a system on chip (SoC) mounted on the PCB via at least one conductive trace, the sensor chip comprising:

• at least one sensing device;
• a control circuit configured to:
• receive configuration data as input;
• acquire data from the at least one sensing device in accordance with the configuration data;
• classify a context of the at least one sensing device relative to its surroundings based on analysis of the acquired data in accordance with the configuration data.

An electronic device, comprising:

• a printed circuit board (PCB) having at least one conductive trace thereon;
• a system on chip (SoC) mounted on the PCB and electrically coupled to the at least one conductive trace;
• a sensor chip mounted on the PCB in a spaced apart relation with the SoC and electrically coupled to the at least one conductive trace such that the sensor chip and SoC are electrically coupled;
• wherein the sensor chip comprises:
• at least one sensing device;
• a control circuit configured to:
• receive configuration data as input, the configuration data including sense channel configuration, clock configuration, feature configuration, and classification configuration;
• acquire data from the at least one sensing device in accordance with the sense channel configuration;
• generate triggers for feature computation in accordance with the clock configuration;
• compute features of the data in response to the triggers and in accordance with the feature configuration;
• classify a context of the electronic device relative to its surroundings based on the computed features and in accordance with the classification configuration, and
• output the context.