Atmel ATmega48PV Manual page 85

11.3.2 Alternate Functions of Port C
8025I–AVR–02/09
Table 11-5. Overriding Signals for Alternate Functions in PB3..PB0
Signal PB3/MOSI/
Name OC2/PCINT3
PUOE SPE • MSTR
PUOV PORTB3 • PUD
DDOE SPE • MSTR
DDOV 0
SPE • MSTR +
PVOE
OC2A ENABLE
SPI MSTR OUTPUT
PVOV
+ OC2A
DIEOE PCINT3 • PCIE0
DIEOV 1
PCINT3 INPUT
DI
SPI SLAVE INPUT
AIO –
The Port C pins with alternate functions are shown in
Table 11-6. Port C Pins Alternate Functions
Port Pin Alternate Function
RESET (Reset pin)
PC6
PCINT14 (Pin Change Interrupt 14)
ADC5 (ADC Input Channel 5)
PC5 SCL (2-wire Serial Bus Clock Line)
PCINT13 (Pin Change Interrupt 13)
ADC4 (ADC Input Channel 4)
PC4 SDA (2-wire Serial Bus Data Input/Output Line)
PCINT12 (Pin Change Interrupt 12)
ADC3 (ADC Input Channel 3)
PC3
PCINT11 (Pin Change Interrupt 11)
ADC2 (ADC Input Channel 2)
PC2
PCINT10 (Pin Change Interrupt 10)
ADC1 (ADC Input Channel 1)
PC1
PCINT9 (Pin Change Interrupt 9)
ADC0 (ADC Input Channel 0)
PC0
PCINT8 (Pin Change Interrupt 8)
ATmega48P/88P/168P/328P
PB2/SS/ PB1/OC1A/
OC1B/PCINT2 PCINT1
SPE • MSTR 0
PORTB2 • PUD 0
SPE • MSTR 0
0 0
OC1B ENABLE OC1A ENABLE
OC1B OC1A
PCINT2 • PCIE0 PCINT1 • PCIE0
1 1
PCINT2 INPUT
PCINT1 INPUT
SPI SS
– –
Table
PB0/ICP1/
PCINT0
0
0
0
0
0
0
PCINT0 • PCIE0
1
PCINT0 INPUT
ICP1 INPUT
–
11-6.
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