Datasheet

Bits 4:0 – MUXn: ADC Channel Selection Bits
These four bits determine which analog inputs are connected to the ADC input. If these bits are changed
during a conversion, the change will not go in effect until this conversion is complete. (ADIF in ADCSRA
is set).
Table 22-5. ADC input channel selection
MUX[4:0] Single Ended Input
00000 ADC0
00001 ADC1
00010 ADC2
00011 ADC3
00100 ADC4
00101 ADC5
00110 ADC6
00111 ADC7
01000 ADC8
01001 ADC9
01010 ADC10
01011 Temperature sensor
01100 VCC/4
01101 ISRC
01110 AMP0
01111 AMP1 (- is ADC8, + is ADC9)
10000 AMP2 (- is ADC6)
10001 Bandgap
10010 GND
10011 Reserved
101xx Reserved
1xxxx Reserved
Atmel ATmega16M1/32M1/64M1 [DATASHEET]
Atmel-8209F-ATmega16M1/32M1/64M1_Datasheet_Complete-10/2016
322