Datasheet

84
8021G–AVR–03/11
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.
Table 13-23. Overriding Signals for Alternate Functions in PG3:0
Signal Name
PG3/T1/
SEG(33/24) PG2/SEG(4/4) PG1/SEG(17/13) PG0/SEG(1814)
PUOE LCDEN LCDEN LCDEN LCDEN
PUOV0000
DDOE LCDEN LCDEN LCDEN LCDEN
DDOV0000
PVOE0000
PVOV0000
PTOE––––
DIEOE LCDEN • (LCDPM) LCDEN LCDEN • (LCDPM) LCDEN • (LCDPM)
DIEOV0000
DIT1 INPUT–––
AIO––––
AIO LCDSEG LCDSEG LCDSEG LCDSEG
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)