User Manual

91
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
8271E–AVR–07/2012
PCINT16: Pin Change Interrupt source 16. The PD0 pin can serve as an external interrupt source.
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 81.
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
PUOE0000
PUO0000
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
DIEOV1111
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
PUO000PORTD0 • 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
DIEOV1111
DI
PCINT19 INPUT
INT1 INPUT
PCINT18 INPUT
INT0 INPUT
PCINT17 INPUT
PCINT16 INPUT
RXD
AIO––––