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Automotive megatrends such as connected, autonomous and electrified vehicles are driving penetration of automotive electronic technology in every vehicle subsystem. However, these electronic units need to be interfaced with input/output devices from outside world. The same need to be interfaced with a robust and reusable architecture conforming to automotive norms. When generic electronic control units (ECUs) need to be reused across diverse vehicle families and segments, it is desirable that every ECU pin interfaced with the outside world needs to be capable of performing multiple tasks. This is particularly true of digital outputs (such as solenoids, lamps, on/off motors etc.) and digital inputs (such as command switches, pushbuttons, pressure switches, thermal switches etc.) Current smart switch peripheral ICs can be used only as outputs and cannot be configured as inputs whenever demanded by application requirements.