Atmel ATtiny26 User Manual

63
ATtiny26(L)
1477G–AVR–03/05
Notes: 1. Each line represents a bit or fuse combination which enables the function.
A fuse value of “0” is programmed, “1” is unprogrammed.
Table 30. Alternative Functions
Pin Alternate Function
Control Register[Bit Name] which
set the Alternate Function
(1)
Bit or Fuse
Value
()
PA3 AREF ADMUX[REFS0] 1
PA6 Analog Comparator ACSR[ACD] 0
PA7 Analog Comparator ACSR[ACD] 0
PB0 USI Two-wire mode
USI Three-wire mode
TC1 compare/PWM
USICR[USIWM1]
USICR[USIWM1,USIWM0]
TCCR1A[COM1A1,COM1A0,PWM1A]
1
01
011
PB1 USI Three-wire mode
TC1 compare/PWM
USICR[USIWM1,USIWM0]
TCCR1A[COM1A1]
TCCR1A[COM1A0]
01
1
1
PB2 USI Two-wire mode
USI Three-wire mode
TC1 compare/PWM
USICR[USIWM1]
USICR[USIWM1,USIWM0]
TCCR1A[COM1B1,COM1B0,PWM1B]
1
01
011
PB3 TC1 compare/PWM TCCR1A[COM1B1]
TCCR1A[COM1B0]
1
1
PB4 XTAL1, clock source FUSE[PLLCK,CKSEL]
FUSE[PLLCK,CKSEL]
10000
10101-11111
PB5 XTAL2, clock source FUSE[PLLCK,CKSEL] 11001-11111
PB6 External interrupt
TC0 clock
GIMSK[INT0],MCUCR[ISC01,ISC01]
TCCR0[CS02,CS01]
100
11
PB7 RESET RSTDISBL FUSE 1

Atmel ATtiny26 Specifications

General

Brand	Atmel
Model	ATtiny26
Category	Microcontrollers
Language	English