ATmega48PA/88PA/168PA/328P
Table 13-8. Overriding Signals for Alternate Functions in PC3..PC0
Signal
Name
PC3/ADC3/
PCINT11
PC2/ADC2/
PCINT10
PC1/ADC1/
PCINT9
PC0/ADC0/
PCINT8
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PCINT11 • PCIE1 +
ADC3D
PCINT10 • PCIE1 +
ADC2D
PCINT9 • PCIE1 +
ADC1D
PCINT8 • PCIE1 +
ADC0D
DIEOE
DIEOV
DI
PCINT11 • PCIE1
PCINT11 INPUT
ADC3 INPUT
PCINT10 • PCIE1
PCINT10 INPUT
ADC2 INPUT
PCINT9 • PCIE1
PCINT9 INPUT
ADC1 INPUT
PCINT8 • PCIE1
PCINT8 INPUT
ADC0 INPUT
AIO
13.3.3
Alternate Functions of Port D
The Port D pins with alternate functions are shown in Table 13-9.
Table 13-9. Port D Pins Alternate Functions
Port Pin
Alternate Function
AIN1 (Analog Comparator Negative Input)
PCINT23 (Pin Change Interrupt 23)
PD7
AIN0 (Analog Comparator Positive Input)
OC0A (Timer/Counter0 Output Compare Match A Output)
PCINT22 (Pin Change Interrupt 22)
PD6
PD5
PD4
PD3
T1 (Timer/Counter 1 External Counter Input)
OC0B (Timer/Counter0 Output Compare Match B Output)
PCINT21 (Pin Change Interrupt 21)
XCK (USART External Clock Input/Output)
T0 (Timer/Counter 0 External Counter Input)
PCINT20 (Pin Change Interrupt 20)
INT1 (External Interrupt 1 Input)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT19 (Pin Change Interrupt 19)
INT0 (External Interrupt 0 Input)
PCINT18 (Pin Change Interrupt 18)
PD2
PD1
PD0
TXD (USART Output Pin)
PCINT17 (Pin Change Interrupt 17)
RXD (USART Input Pin)
PCINT16 (Pin Change Interrupt 16)
88
8161D–AVR–10/09