Datasheet

65
8246A–AVR–11/09
ATtiny2313A/4313
Table 10-6. Overriding Signals for Alternate Functions in PB7..PB4
Signal
Name
PB7/USCK/
SCL/PCINT7 PB6/DO/PCINT6
PB5/SDA/
DI/PCINT5
PB4/OC1B/
PCINT4
PUOE USI_TWO_WIRE 0 0 0
PUOV 0 0 0 0
DDOE USI_TWO_WIRE 0 USI_TWO_WIRE 0
DDOV
(USI_SCL_HOLD+
PORTB7
)•DDB7
0
(SDA
+ PORTB5)•
DDB5
0
PVOE
USI_TWO_WIRE •
DDB7
USI_THREE_WIRE
USI_TWO_WIRE
• DDB5
OC1B_PVOE
PVOV 0 DO 0 0OC1B_PVOV
PTOE USI_PTOE 0 0 0
DIEOE
(PCINT7•PCIE)
+USISIE
(PCINT6•PCIE)
(PCINT5•PCIE) +
USISIE
(PCINT4•PCIE)
DIEOV 1 1 1 1
DI
PCINT7 Input
USCK Input SCL
Input
PCINT6 Input
PCINT5 Input
SDA Input
DI Input
PCINT4 Input
AIO – – – –
Table 10-7. Overriding Signals for Alternate Functions in PB3..PB0
Signal
Name
PB3/OC1A/
PCINT3
PB2/OC0A/
PCINT2
PB1/AIN1/
PCINT1
PB0/AIN0/
PCINT0
PUOE 0 0 0 0
PUOV 0 0 0 0
DDOE 0 0 0 0
DDOV 0 0 0 0
PVOE OC1A_PVOE OC0A_PVOE 0 0
PVOV OC1A_PVOV OC0A_PVOV 0 0
PTOE 0 0 0 0
DIEOE (PCINT3 • PCIE) (PCINT2 • PCIE) (PCINT1 • PCIE) (PCINT0 • PCIE)
DIEOV 1 1 1 1
DI PCINT7 Input PCINT6 Input PCINT5 Input PCINT4 Input
AIO – – AIN1 AIN0