ATMEGA325-16AI datasheet(78/353 Pages) ATMEL

78 / 353 page

ATmega325/3250/645/6450

2570J–AVR–11/06

Alternate Functions of Port J

Port J is only present in ATmega3250/6450. The alternate pin configuration is as

follows:

The alternate pin configuration is as follows:

• PCINT30 – Port J, Bit 6

PCINT30, Pin Change Interrupt Source 30: The PE30 pin can serve as an external inter-

rupt source.

• PCINT29 – Port J, Bit 5

PCINT29, Pin Change Interrupt Source 29: The PE29 pin can serve as an external inter-

rupt source.

• PCINT28 – Port J, Bit 4

PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external inter-

rupt source.

• PCINT27 – Port J, Bit 3

PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external inter-

rupt source.

• PCINT26 – Port J, Bit 2

PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external inter-

rupt source.

• PCINT25 – Port J, Bit 1

PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external inter-

rupt source.

• PCINT24 – Port J, Bit 0

PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external inter-

rupt source.

Table 44 and Table 45 relates the alternate functions of Port J to the overriding signals

shown in Figure 27 on page 64.

Table 43. Port J Pins Alternate Functions

Port Pin

Alternate Function

PJ6

PCINT30 (Pin Change Interrupt30)

PJ5

PCINT29 (Pin Change Interrupt29)

PJ4

PCINT28 (Pin Change Interrupt28)

PJ3

PCINT27 (Pin Change Interrupt27)

PJ2

PCINT26(Pin Change Interrupt26)

PJ1

PCINT25(Pin Change Interrupt25)

PJ0

PCINT24 (Pin Change Interrupt26)

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