Take the Rough with the Smooth
Given that digital microcontrollers are in the business of monitoring and controlling the real environment — which is commonly analog in nature — we need to consider the interconversion between the analog and the digital world. Analog input signals need conversion to a digital equivalent, that is analog to digital conversion (ADC). Thereafter the digital patterns can be processed in the normal way. Conversely, if the outcome is to be in the form of an analog signal, then a digital to analog conversion (DAC) stage will be necessary.
KeywordsAnalog Signal Channel Number Sleep Mode Analog Module Analog Input
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