Datasheet
67
7701F–AVR–10/12
Atmel ATtiny24/44/84 [Preliminary]
Table 12-5. Overriding Signals for Alternate Functions in PA4..PA2
Signal
Name
PA4/ADC4/USCK/SCL/T1/
PCINT4 PA3/ADC3/T0/PCINT3 PA2/ADC2/AIN1/PCINT2
PUOE 0 0 0
PUOV 0 0 0
DDOE USIWM1 0 0
DDOV
USI_SCL_HOLD +
PORTA4
) • ADC4D
00
PVOE USIWM1 • ADC4D 0 0
PVOV 0 0 0
PTOE USI_PTOE 0 0
DIEOE
USISIE +
(PCINT4 • PCIE0) + ADC4D
(PCINT3 • PCIE0) +
ADC3D
PCINT2 • PCIE + ADC2D
DIEOV
USISIE +
(PCINT4 • PCIE0)
PCINT3 • PCIE0 PCINT3 • PCIE0
DI
USCK/SCL/T1/PCINT4
input
PCINT1 Input PCINT0 Input
AIO ADC4 Input ADC3 Input
ADC2/Analog Comparator
Negative Input
Table 12-6. Overriding Signals for Alternate Functions in PA1..PA0
Signal
Name PA1/ADC1/AIN0/PCINT1 PA0/ADC0/AREF/PCINT0
PUOE 0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
PUOV 0 0
DDOE 0
RESET •
(REFS1
• REFS0 + REFS1 • REFS0)
DDOV 0 0
PVOE 0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
PVOV 0 0
PTOE 0 0
DIEOE PCINT1 • PCIE0 + ADC1D PCINT0 • PCIE0 + ADC0D
DIEOV PCINT1 • PCIE0 PCINT0 • PCIE0
DI PCINT1 Input PCINT0 Input
AIO ADC1/Analog Comparator Positive Input
ADC1 Input
Analog reference