The ATmega168 has six pins that are typically used for digital I/O, but they can be used for analog input as well. In his example, he uses a trimpot as an analog input device, connecting it to one ...

Fig 1: Analog to digital converter basic block diagram: low frequency and high frequency options Low frequency/minimal logic ADC implementation description In the low frequency/minimal logic ...

Input Sampling Architectures in Analog-to-Digital Converters By Kevin Tretter, Microchip Technology Inc. Today's analog system designers face many design challenges. Not only ...