ATmega3290P datasheet(83/385 Pages) ATMEL

83 / 385 page

8021E–AVR–07/09

ATmega329P/3290P

13.3.8

Alternate Functions of Port H

Port H is only present in ATmega3290P. The alternate pin configuration is as follows:

The alternate pin configuration is as follows:

• PCINT23/SEG – Port H, Bit 7

PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt

source.

SEG, LCD front plane 36.

• PCINT22/SEG – Port H, Bit 6

PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external interrupt

source.

SEG, LCD front plane 37.

• PCINT21/SEG – Port H, Bit 5

PCINT21, Pin Change Interrupt Source 21: The PH5 pin can serve as an external interrupt

source.

SEG, LCD front plane 38.

• PCINT20/SEG – Port H, Bit 4

PCINT20, Pin Change Interrupt Source 20: The PH4 pin can serve as an external interrupt

source.

SEG, LCD front plane 39.

• PCINT19/SEG – Port H, Bit 3

PCINT19, Pin Change Interrupt Source 19: The PH3 pin can serve as an external interrupt

source.

SEG, LCD front plane 7.

• PCINT18/SEG – Port H, Bit 2

PCINT18, Pin Change Interrupt Source 18: The PH2 pin can serve as an external interrupt

source.

Table 13-24. Port H Pins Alternate Functions

Port Pin

Alternate Function

PH7

PCINT23/SEG (Pin Change Interrupt23 or LCD Front Plane 36)

PH6

PCINT22/SEG (Pin Change Interrupt22 or LCD Front Plane 37)

PH5

PCINT21/SEG (Pin Change Interrupt21 or LCD Front Plane 38)

PH4

PCINT20/SEG (Pin Change Interrupt20 or LCD Front Plane 39)

PH3

PCINT19/SEG (Pin Change Interrupt19 or LCD Front Plane 7)

PH2

PCINT18/SEG (Pin Change Interrupt18 or LCD Front Plane 8)

PH1

PCINT17/SEG (Pin Change Interrupt17 or LCD Front Plane 9)

PH0

PCINT16/SEG (Pin Change Interrupt16 or LCD Front Plane 10)

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