Datasheet

89
ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET]
8284E–AVR–02/2013
• 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 14-28 on page 89 and Table 14-29 on page 90 relates the alternate functions of Port J to the overriding sig-
nals shown in Figure 14-5 on page 71.
Table 14-28. Overriding signals for alternate functions in PJ7:4 (Atmel
ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P).
Signal name PJ7
PJ6/PCINT30/
SEG27
PJ5/PCINT29/
SEG28
PJ4/PCINT28/
SEG29
PUOE 0 LCDEN LCDEN LCDEN
PUOV0000
DDOE 0 LCDEN LCDEN LCDEN
DDOV 0 0 0 0
PVOE0000
PVOV0000
PTOE––––
DIEOE 0
PCINT30 • PCIE0
•LCDEN • LCDPM
PCINT29 • PCIE0
•LCDEN • LCDPM
PCINT28 • PCIE0
•LCDEN • LCDPM
DIEOV0000
DI––––
AIO – LCDSEG LCDSEG LCDSEG