ATMEGA325-16AJ ATMEL [ATMEL Corporation], ATMEGA325-16AJ Datasheet - Page 69

• Manufacturer Part Number: ATMEGA325-16AJ
• Description: 8-bit Microcontroller with In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Alternate Functions of Port H
2570A–AVR–09/04
Port H is only present in ATmega3250/6450. The alternate pin configuration is as
follows:
Table 39. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23 – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external inter-
rupt source.
• PCINT22 – Port H, Bit 6
PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external inter-
rupt source.
• PCINT21 – Port H, Bit 5
PCINT21, Pin Change Interrupt Source 21: The PH5 pin can serve as an external inter-
rupt source.
• PCINT20 – Port H, Bit 4
PCINT20, Pin Change Interrupt Source 20: The PH4 pin can serve as an external inter-
rupt source.
• PCINT19 – Port H, Bit 3
PCINT19, Pin Change Interrupt Source 19: The PH3 pin can serve as an external inter-
rupt source.
• PCINT18 – Port H, Bit 2
PCINT18, Pin Change Interrupt Source 18: The PH2 pin can serve as an external inter-
rupt source.
• PCINT17 – Port H, Bit 1
PCINT17, Pin Change Interrupt Source 17: The P1 pin can serve as an external inter-
rupt source.
• PCINT16 – Port H, Bit 0
PCINT16, Pin Change Interrupt Source 16: The PH0 pin can serve as an external inter-
rupt source.
Port Pin
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Alternate Function
PCINT23 (Pin Change Interrupt23)
PCINT22 (Pin Change Interrupt22)
PCINT21 (Pin Change Interrupt21)
PCINT20 (Pin Change Interrupt20)
PCINT19 (Pin Change Interrupt19)
PCINT18 (Pin Change Interrupt18)
PCINT17 (Pin Change Interrupt17)
PCINT16 (Pin Change Interrupt16)
ATmega325/3250/645/6450
69