
76
8008H–AVR–04/11
ATtiny48/88
INT1/PCINT19 – Port D, Bit 3
INT1, External Interrupt source 1: The PD3 pin can serve as an external interrupt source.
PCINT19: Pin Change Interrupt source 19. The PD3 pin can serve as an external interrupt
source.
INT0/PCINT18 – Port D, Bit 2
INT0, External Interrupt source 0: The PD2 pin can serve as an external interrupt source.
PCINT18: Pin Change Interrupt source 18. The PD2 pin can serve as an external interrupt
source.
PCINT17 – Port D, Bit 1
PCINT17: Pin Change Interrupt source 17. The PD1 pin can serve as an external interrupt
source.
PCINT16 – Port D, Bit 0
PCINT16: Pin Change Interrupt source 16. The PD0 pin can serve as an external interrupt
source.
Table 10-12. Overriding Signals for Alternate Functions PD[7:4]
Signal
Name
PD7/AIN1/PCINT23
PD6/AIN0/PCINT22
PD5/T1/PCINT21
PD4/T0/PCINT20
PUOE
000
0
PUO
000
0
DDOE
0
DDOV
0
PVOE
000
0
PVOV
000
0
DIEOE
PCINT23 PCIE2
PCINT22 PCIE2
PCINT21 PCIE2
PCINT20 PCIE2
DIEOV
111
1
DI
PCINT23 INPUT
PCINT22 INPUT
PCINT21 INPUT
T1 INPUT
PCINT20 INPUT
T0 INPUT
AIO
AIN1 INPUT
AIN0 INPUT
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