Datasheet

Signal
Name
PD7/AIN1
/PCINT23
PD6/AIN0/
OC0A/PCINT22
PD5/T1/OC0B/
PCINT21
PD4/XCK/
T0/PCINT20
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 18-11. 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
PUOV 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 – – – –
18.4 Register Description
ATmega48PA/88PA/168PA
I/O-Ports
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40002011A-page 124