Datasheet

87
8011O–AVR–07/10
ATmega164P/324P/644P
11.3.4 Alternate Functions of Port D
The Port D pins with alternate functions are shown in Table 11-12.
Table 11-11. Overriding Signals for Alternate Functions in PC3:PC0
Signal
Name
PC3/TMS/
PCINT19
PC2/TCK/
PCINT18
PC1/SDA/
PCINT17
PC0/SCL/
PCINT16
PUOE JTAGEN JTAGEN TWEN TWEN
PUOV 1 1 PORTC1 • PUD PORTC0 • PUD
DDOEJTAGENJTAGENTWEN TWEN
DDOV 0 0 0 0
PVOE 0 0 TWEN TWEN
PVOV 0 0 SDA OUT SCL OUT
DIEOE
JTAGEN +
PCINT19 • PCIE2
JTAGEN +
PCINT18 • PCIE2
PCINT17 • PCIE2 PCINT16 • PCIE2
DIEOV JTAGEN
JTAGEN 11
DI PCINT19 INPUT PCINT18 INPUT PCINT17 INPUT PCINT16 INPUT
AIO TMS INPUT TCK INPUT SDA INPUT SCL INPUT
Table 11-12. Port D Pins Alternate Functions
Port Pin Alternate Function
PD7
OC2A (Timer/Counter2 Output Compare Match A Output)
PCINT31 (Pin Change Interrupt 31)
PD6
ICP1 (Timer/Counter1 Input Capture Trigger)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT30 (Pin Change Interrupt 30)
PD5
OC1A (Timer/Counter1 Output Compare Match A Output)
PCINT29 (Pin Change Interrupt 29)
PD4
OC1B (Timer/Counter1 Output Compare Match B Output)
XCK1 (USART1 External Clock Input/Output)
PCINT28 (Pin Change Interrupt 28)
PD3
INT1 (External Interrupt1 Input)
TXD1 (USART1 Transmit Pin)
PCINT27 (Pin Change Interrupt 27)
PD2
INT0 (External Interrupt0 Input)
RXD1 (USART1 Receive Pin)
PCINT26 (Pin Change Interrupt 26)
PD1
TXD0 (USART0 Transmit Pin)
PCINT25 (Pin Change Interrupt 25)
PD0
RXD0 (USART0 Receive Pin)
PCINT24 (Pin Change Interrupt 24)