The Analog-to-Digital Convert (ADC) peripheral features a 10-bit successive approximation ADC with capability of a sampling rate of up to 150ksps. The ADC is connected to a 12-channel Analog Multiplexer, which allows twelve single-ended voltage inputs. The single-ended voltage inputs refer to 0V (GND).
For more detail, refer to the latest data sheet of ATtiny817 available at http://www.microchip.com/wwwproducts/en/attiny817.
Figure 1. ATtiny817
ADC Block Diagram
