Rainbow Electronics ATmega3290P_V - Manual (Page 81)

81
ATmega329/3210/649/6410
2552H–AVR–11/06
Alternate Functions of Port H Port H is only present in ATmega3290/6490. 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt source.
SEG, LCD front plane 8.
Table 48. 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)