Datasheet

12 | Page
#
Name
Functions
A5 PC5
ADC5 (ADC Input Channel 5)
SCL (2-wire Serial Bus Clock Line)
PCINT13 (Pin Change Interrupt 13)
A4 PC4
ADC4 (ADC Input Channel 4)
SDA (2-wire Serial Bus Data Input/Output Line)
PCINT12 (Pin Change Interrupt 12)
A3 PC3
ADC3 (ADC Input Channel 3)
PCINT11 (Pin Change Interrupt 11)
A2
PC2
ADC2 (ADC Input Channel 2)
PCINT10 (Pin Change Interrupt 10)
A1
PC1
ADC1 (ADC Input Channel 1)
PCINT9 (Pin Change Interrupt 9)
A0
PC0
ADC0 (ADC Input Channel 0)
PCINT8 (Pin Change Interrupt 8)
#
Name
Functions
7 PD7
AIN1 (Analog Comparator Negative Input)
PCINT23 (Pin Change Interrupt 23)
6
PD6
AIN0 (Analog Comparator Positive Input)
OC0A (Timer/Counter0 Output Compare Match A Output)
PCINT22 (Pin Change Interrupt 22)
5
PD5
T1 (Timer/Counter 1 External Counter Input)
OC0B (Timer/Counter0 Output Compare Match B Output)
PCINT21 (Pin Change Interrupt 21)
4
PD4
XCK (USART External Clock Input/Output)
T0 (Timer/Counter 0 External Counter Input)
PCINT20 (Pin Change Interrupt 20)
3
PD3
INT1 (External Interrupt 1 Input)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT19 (Pin Change Interrupt 19)
2
PD2
INT0 (External Interrupt 0 Input)
PCINT18 (Pin Change Interrupt 18)
1
PD1
TXD (USART Output Pin)
PCINT17 (Pin Change Interrupt 17)
0
PD0
RXD (USART Input Pin)
PCINT16 (Pin Change Interrupt 16)