Datasheet

84
ATmega329/3210/649/6410
2552I–AVR–04/07
• PCINT28/SEG – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external inter-
rupt 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt 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 inter-
rupt source.
SEG, LCD front plane 35.
Table 52 and Table 53 relates the alternate functions of Port J to the overriding signals
shown in Figure 27 on page 65.
Table 52. Overriding Signals for Alternate Functions in PJ7:4
Signal
Name
PJ6/PCINT30/
SEG27
PJ5/PCINT29/
SEG28
PJ4/PCINT28/
SEG29
PUOE LCDEN LCDEN LCDEN
PUOV 0 0 0
DDOE LCDEN LCDEN LCDEN
DDOV 0 0 0
PVOE 0 0 0
PVOV 0 0 0
PTOE – – –
DIEOE PCINT30 •
PCIE0 •LCDEN •
LCDPM
PCINT29 •
PCIE0 •LCDEN •
LCDPM
PCINT28 •
PCIE0 •LCDEN •
LCDPM
DIEOV
DI
AIO LCDSEG LCDSEG LCDSEG