
71
8008H–AVR–04/11
ATtiny48/88
Notes:
1. INTOSC means that one of the internal oscillators are selected (by the CKSEL fuses), EXTCK
means that external clock is selected (by the CKSEL fuses).
Table 10-6.
Overriding Signals for Alternate Functions in PB[7:4]
Signal
Name
PB7/
PB6/CLKI/
PB5/SCK/
PCINT5
PB4/MISO/
PCINT4
PUOE
0
INTOSC
SPE MSTR
PUOV
0
PORTB5 PUD
PORTB4 PUD
DDOE
0
INTOSC
SPE MSTR
DDOV
0000
PVOE
0
SPE MSTR
PVOV
0
SCK OUTPUT
SPI SLAVE
OUTPUT
DIEOE
PCINT7 PCIE0
INTOSC + PCINT6
PCIE0
PCINT5 PCIE0
PCINT4 PCIE0
DIEOV
1
INTOSC
1
DI
PCINT7 INPUT
PCINT6 INPUT
PCINT5 INPUT
SCK INPUT
PCINT4 INPUT
SPI MSTR INPUT
AIO
–
Clock Input
–
Table 10-7.
Overriding Signals for Alternate Functions in PB[3:0]
Signal
Name
PB3/MOSI/
PCINT3
PB2/SS/OC1B/
PCINT2
PB1/OC1A/
PCINT1
PB0/ICP1/
PCINT0
PUOE
SPE MSTR
00
PUOV
PORTB3 PUD
PORTB2 PUD
00
DDOE
SPE MSTR
00
DDOV
0
PVOE
SPE MSTR
OC1B ENABLE
OC1A ENABLE
0
PVOV
SPI MSTR OUTPUT
OC1B
OC1A
0
DIEOE
PCINT3 PCIE0
PCINT2 PCIE0
PCINT1 PCIE0
PCINT0 PCIE0
DIEOV
111
1
DI
PCINT3 INPUT
SPI SLAVE INPUT
PCINT2 INPUT
SPI SS
PCINT1 INPUT
PCINT0 INPUT
ICP1 INPUT
AIO
–––
–