Datasheet

96
2549O–AVR–05/12
ATmega640/1280/1281/2560/2561
13.3.10 Alternate Functions of Port K
The Port K alternate pin configuration is as follows:
Table 13-28. Overriding Signals for Alternate Functions in PJ7:PJ4
Signal Name PJ7 PJ6/ PCINT15 PJ5/ PCINT14 PJ4/ PCINT13
PUOE0000
PUOV0000
DDOE 0 0 0 0
DDOV 0 0 0 0
PVOE0000
PVOV0000
PTOE----
DIEOE 0 PCINT15·PCIE1 PCINT14·PCIE1 PCINT13·PCIE1
DIEOV 0 1 1 1
DI 0 PCINT15 INPUT PCINT14 IN PUT PCINT13 INPUT
AIO - - - -
Table 13-29. Overriding Signals for Alternate Functions in PJ3:PJ0
Signal Name PJ3/PCINT12
PJ2/XCK3/PCINT
11
PJ1/TXD3/PCINT
10
PJ0/RXD3/PCINT
9
PUOE 0 0 TXEN3RXEN3
PUOV000PORTJ0·PUD
DDOE 0 XCK3 OUTPUT
ENABLE
TXEN3RXEN3
DDOV0110
PVOE 0 XCK3 OUTPUT
ENABLE
TXEN30
PVOV 0 XCK3 TXD3 0
PTOE----
DIEOE PCINT12·PCIE1 PCINT11·PCIE1 PCINT10·PCIE1 PCINT9·PCIE1
DIEOV1111
DI PCINT12 INPUT PCINT11 INPUT
XCK3 INPUT
PCINT10 INPUT PCINT9 INPUT
RXD3
AIO----
Table 13-30. Port K Pins Alternate Functions
Port Pin Alternate Function
PK7 ADC15/PCINT23 (ADC Input Channel 15 or Pin Change Interrupt 23)
PK6 ADC14/PCINT22 (ADC Input Channel 14 or Pin Change Interrupt 22)
PK5 ADC13/PCINT21 (ADC Input Channel 13 or Pin Change Interrupt 21)