Abstract

The ADMUX(ADC Multiplexer Selection Register) is a register that controls the reference voltage, the presentation of the ADC conversion(left adjust or right adjust) and analog channel selection.

Source Code

The ADMUX is defined in hardware/tools/avr/avr/include/avr/iom328p.h as below.

1

#define ADMUX _SFR_MEM8(0x7C)

The 0x7C is the address where the ADMUX register exists. It calls the _SFR_MEM8().

Version

7.3.0-atmel3.6.1-arduino7

Last Update

May 15, 2021