ATTINY26-16PC Atmel, ATTINY26-16PC Datasheet - Page 57
![IC AVR MCU 2K 16MHZ COM 20-DIP](/photos/6/80/68043/313-20-dip_sml.jpg)
ATTINY26-16PC
Manufacturer Part Number
ATTINY26-16PC
Description
IC AVR MCU 2K 16MHZ COM 20-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16PC
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Interrupts
Interrupt Vectors
1477K–AVR–08/10
The ATtiny26(L) provides eleven interrupt sources. These interrupts and the separate Reset
Vector, each have a separate program vector in the program memory space. All the interrupts
are assigned individual enable bits which must be set (one) together with the I-bit in the Status
Register in order to enable the interrupt.
The lowest addresses in the program memory space are automatically defined as the Reset and
Interrupt vectors. The complete list of vectors is shown in Table 29. The list also determines the
priority levels of the different interrupts. The lower the address the higher is the priority level.
RESET has the highest priority, and next is INT0 – the External Interrupt Request 0 etc.
Table 29. Reset and Interrupt Vectors
The most typical and general program setup for the Reset and Interrupt Vector Addresses are:
Vector No
Address Labels
$000
$001
$002
$003
$004
$005
$006
$007
$008
$009
$00A
$00B
;
$009
$00A
$00B
A
B
C
1
2
3
4
5
6
7
8
9
…
RESET:
Program Address
…
$00A
$00B
$000
$001
$002
$003
$004
$005
$006
$007
$008
$009
Code
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
ldi
out
sei
…
RESET
EXT_INT0
PIN_CHANGE
TIM1_CMP1A
TIM1_CMP1B
TIM1_OVF
TIM0_OVF
USI_STRT
USI_OVF
EE_RDY
ANA_COMP
ADC
r16, RAMEND
SP, r16
…
Source
RESET
INT0
I/O Pins
TIMER1, CMPA
TIMER1, CMPB
TIMER1, OVF1
TIMER0, OVF0
USI_STRT
USI_OVF
EE_RDY
ANA_COMP
ADC
Comments
; Reset handler
; IRQ0 handler
; Pin change handler
; Timer1 compare match 1A
; Timer1 compare match 1B
; Timer1 overflow handler
; Timer0 overflow handler
; USI Start handler
; USI Overflow handler
; EEPROM Ready handler
; Analog Comparator handler
; ADC Conversion Handler
; Main program start
Interrupt Definition
Hardware Pin and Watchdog Reset
External Interrupt Request 0
Pin Change Interrupt
Timer/Counter1 Compare Match 1A
Timer/Counter1 Compare Match 1B
Timer/Counter1 Overflow
Timer/Counter0 Overflow
USI Start
USI Overflow
EEPROM Ready
Analog Comparator
ADC Conversion Complete
57
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