Datasheet

88
8021G–AVR–03/11
ATmega329P/3290P
• PCINT28/SEG – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external interrupt
source.
SEG, LCD front plane 29.
• PCINT27/SEG – Port J, Bit 3
PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external interrupt
source.
SEG, LCD front plane 30.
• PCINT26/SEG – Port J, Bit 2
PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external interrupt
source.
SEG, LCD front plane 31.
• PCINT25/SEG – Port J, Bit 1
PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external interrupt
source.
SEG, LCD front plane 34.
• PCINT24/SEG – Port J, Bit 0
PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external interrupt
source.
SEG, LCD front plane 35.
Table 13-28 on page 88 and Table 13-29 on page 89 relates the alternate functions of Port J to
the overriding signals shown in Figure 13-5 on page 69.
Table 13-28. Overriding Signals for Alternate Functions in PJ7:4 (ATmega329P/3290P)
Signal Name PJ7
PJ6/PCINT30/
SEG27
PJ5/PCINT29/
SEG28
PJ4/PCINT28/
SEG29
PUOE 0 LCDEN LCDEN LCDEN
PUOV0000
DDOE 0 LCDEN LCDEN LCDEN
DDOV0000
PVOE0000
PVOV0000
PTOE––––
DIEOE 0
PCINT30 • PCIE0
•LCDEN • LCDPM
PCINT29 • PCIE0
•LCDEN • LCDPM
PCINT28 • PCIE0
•LCDEN • LCDPM
DIEOV0000
DI––––
AIO – LCDSEG LCDSEG LCDSEG