ATMEGA329P_06 Datasheet, PDF (85/360 Pages) ATMEL Corporation – 8-bit Microcontroller with 32K Bytes In-System Programmable Flash

ATmega329P/3290P
12.3.8
Alternate Functions of Port H
Port H is only present in ATmega3290P. The alternate pin configuration is as follows:
Table 12-24. 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)
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.
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