Datasheet

75
8021G–AVR–03/11
ATmega329P/3290P
13.3.3 Alternate Functions of Port C
The Port C has an alternate function as SEG for the LCD Controller.
The alternate pin configuration is as follows:
• SEG – Port D, Bit 7:0
SEG, LCD front plane 5/5, 6/6, 11/7-16/12.
Table 13-10 and Table 13-11 relate the alternate functions of Port C to the overriding signals
shown in Figure 13-5 on page 69.
Table 13-9. Port C Pins Alternate Functions (SEG refers to 100-pin/64-pin pinout)
Port Pin Alternate Function
PC7 SEG (LCD Front Plane 5/5)
PC6 SEG (LCD Front Plane 6/6)
PC5 SEG (LCD Front Plane 11/7)
PC4 SEG (LCD Front Plane 12/8)
PC3 SEG (LCD Front Plane 13/9)
PC2 SEG (LCD Front Plane14/10)
PC1 SEG (LCD Front Plane 15/11)
PC0 SEG (LCD Front Plane 16/12)
Table 13-10. Overriding Signals for Alternate Functions in PC7:PC4
Signal Name PC7/SEG5 PC6/SEG6 PC5/SEG(11/7) PC4/SEG(12/8)
PUOE LCDEN LCDEN LCDEN LCDEN
PUOV0000
DDOE LCDEN LCDEN LCDEN LCDEN
DDOV0000
PVOE0000
PVOV0000
PTOE––––
DIEOE LCDEN LCDEN LCDEN LCDEN
DIEOV0000
DI––––
AIO LCDSEG LCDSEG LCDSEG LCDSEG