ATmega3290P datasheet(86/385 Pages) ATMEL

86 / 385 page

8021E–AVR–07/09

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 86 and Table 13-29 on page 87 relates the alternate functions of Port J to

the overriding signals shown in Figure 13-5 on page 68.

Table 13-28. Overriding Signals for Alternate Functions in PJ7:4

Signal Name

PJ7

PJ6/PCINT30/

SEG27

PJ5/PCINT29/

SEG28

PJ4/PCINT28/

SEG29

PUOE

LCDEN

PUOV

0000

DDOE

LCDEN

DDOV

0000

PVOE

0000

PVOV

0000

PTOE

––––

DIEOE

PCINT30 • PCIE0

•LCDEN • LCDPM

PCINT29 • PCIE0

•LCDEN • LCDPM

PCINT28 • PCIE0

•LCDEN • LCDPM

DIEOV

0000

––––

AIO

–

LCDSEG

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