Datasheet

ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
78
Table 14-10 and Table 14-11 relate the alternate functions of port D to the overriding signals shown in
Figure 14-5 on page 69.
Table 14-10. Overriding Signals for Alternate Functions PD7...PD4
Signal
Name
PD7/AIN1
/PCINT23
PD6/AIN0/
OC0A/PCINT22
PD5/T1/OC0B/
PCINT21
PD4/XCK/
T0/PCINT20
PUOE 0 0 0 0
PUO 0 0 0 0
DDOE 0 0 0 0
DDOV 0 0 0 0
PVOE 0 OC0A ENABLE OC0B ENABLE UMSEL
PVOV 0 OC0A OC0B XCK OUTPUT
DIEOE PCINT23  PCIE2 PCINT22  PCIE2 PCINT21  PCIE2 PCINT20  PCIE2
DIEOV 1 1 1 1
DI PCINT23 INPUT PCINT22 INPUT
PCINT21 INPUT
T1 INPUT
PCINT20 INPUT
XCK INPUT
T0 INPUT
AIO AIN1 INPUT AIN0 INPUT – –
Table 14-11. Overriding Signals for Alternate Functions in PD3...PD0
Signal
Name
PD3/OC2B/INT1/
PCINT19
PD2/INT0/
PCINT18
PD1/TXD/
PCINT17
PD0/RXD/
PCINT16
PUOE 0 0 TXEN RXEN
PUO 0 0 0 PORTD0  PUD
DDOE 0 0 TXEN RXEN
DDOV 0 0 1 0
PVOE OC2B ENABLE 0 TXEN 0
PVOV OC2B 0 TXD 0
DIEOE
INT1 ENABLE + PCINT19
 PCIE2
INT0 ENABLE + PCINT18
 PCIE1
PCINT17  PCIE2 PCINT16  PCIE2
DIEOV 1 1 1 1
DI
PCINT19 INPUT
INT1 INPUT
PCINT18 INPUT
INT0 INPUT
PCINT17 INPUT
PCINT16 INPUT
RXD
AIO – – – –