Datasheet

80
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Table 14-13 and Table 14-14 relates the alternate functions of Port D to the overriding signals
shown in Figure 14-5 on page 72.
Table 14-13. Overriding Signals for Alternate Functions PD7:PD4
Signal Name PD7/SEG(19/15) PD6/SEG(20/16) PD5/SEG(21/17) PD4/SEG(22/18)
PUOE LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM)
PUOV0000
DDOE LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM)
DDOV0000
PVOE0000
PVOV0000
PTOE––––
DIEOE LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM)
DIEOV0000
DI––––
AIO
(1)
1. Applies to ATmega169A/169PA
SEG15 SEG16 SEG17 SEG18
AIO
(2)
2. Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
LCDSEG LCDSEG LCDSEG LCDSEG
Table 14-14. Overriding Signals for Alternate Functions in PD3:PD0
Signal Name PD3/SEG(23/19) PD2/SEG(24/20)
PD1/INT0/
SEG(25/21)
PD0/ICP1/
SEG(26/22)
PUOE LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM)
PUOV0000
DDOE LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM) LCDEN • (LCDPM)
DDOV 0 0 0 0
PVOE0000
PVOV0000
PTOE––––
DIEOE LCDEN • (LCDPM) LCDEN • (LCDPM)
LCDEN +
(INT0 ENABLE)
LCDEN • (LCDPM)
DIEOV 0 0
LCDEN
•
(INT0 ENABLE)
0
DI – – INT0 INPUT ICP1 INPUT
AIO
(1)
1. Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
LCDSEG LCDSEG LCDSEG LCDSEG