Datasheet

77
8018P–AVR–08/10
ATmega169P
13.3.3 Alternate Functions of Port C
The Port C has an alternate function as the SEG5:12 for the LCD Controller.
Table 13-8. Overriding Signals for Alternate Functions in PB3..PB0
Signal
Name
PB3/MISO/
PCINT11
PB2/MOSI/
PCINT10
PB1/SCK/
PCINT9
PB0/SS/
PCINT8
PUOE SPE • MSTR SPE • MSTR
SPE • MSTR SPE • MSTR
PUOV PORTB3 • PUD PORTB2 • PUD PORTB1 • PUD PORTB0 • PUD
DDOE SPE • MSTR SPE • MSTR SPE • MSTR SPE • MSTR
DDOV 0 0 0 0
PVOE SPE • MSTR
SPE • MSTR SPE • MSTR 0
PVOV SPI SLAVE OUTPUT SPI MSTR OUTPUT SCK OUTPUT 0
PTOE – – – –
DIEOE PCINT11 • PCIE1 PCINT10 • PCIE1 PCINT9 • PCIE1 PCINT8 • PCIE1
DIEOV 1 1 1 1
DI
PCINT11 INPUT
SPI MSTR INPUT
PCINT10 INPUT
SPI SLAVE INPUT
PCINT9 INPUT
SCK INPUT
PCINT8 INPUT
SPI SS
AIO – – – –
Table 13-9. Port C Pins Alternate Functions
Port Pin Alternate Function
PC7 SEG5 (LCD Front Plane 5)
PC6 SEG6 (LCD Front Plane 6)
PC5 SEG7 (LCD Front Plane 7)
PC4 SEG8 (LCD Front Plane 8)
PC3 SEG9 (LCD Front Plane 9)
PC2 SEG10 (LCD Front Plane 10)
PC1 SEG11 (LCD Front Plane 11)
PC0 SEG12 (LCD Front Plane 12)