ADC Reference Macros

ADC voltage reference selection bits (REFS1:0) in ADMUX. More...

Collaboration diagram for ADC Reference Macros:

Macros
#define	ADC_REFERENCE_VOLTAGE_AREF   ((0 << REFS1) | (0 << REFS0))
	ADC voltage reference - AREF voltage.
#define	ADC_REFERENCE_VOLTAGE_VCC   ((0 << REFS1) | (1 << REFS0))
	ADC voltage reference - VCC voltage.
#define	ADC_REFERENCE_VOLTAGE_INTERNAL   ((1 << REFS1) | (1 << REFS0))
	ADC voltage reference - internal voltage (2.56V).

Detailed Description

ADC voltage reference selection bits (REFS1:0) in ADMUX.

Macro Definition Documentation

ADC_REFERENCE_VOLTAGE_AREF

#define ADC_REFERENCE_VOLTAGE_AREF   ((0 << REFS1) | (0 << REFS0))

ADC voltage reference - AREF voltage.

Definition at line 934 of file main.h.

ADC_REFERENCE_VOLTAGE_INTERNAL

#define ADC_REFERENCE_VOLTAGE_INTERNAL   ((1 << REFS1) | (1 << REFS0))

ADC voltage reference - internal voltage (2.56V).

Definition at line 938 of file main.h.

ADC_REFERENCE_VOLTAGE_VCC

#define ADC_REFERENCE_VOLTAGE_VCC   ((0 << REFS1) | (1 << REFS0))

ADC voltage reference - VCC voltage.

Definition at line 936 of file main.h.