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ATtiny261A Datasheet(PDF) 48 Page - ATMEL Corporation

Part # ATtiny261A
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
PDF  292 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny261A Datasheet(HTML) 48 Page - ATMEL Corporation

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48
8197A–AVR–10/09
ATtiny261A/461A/861A
9. Interrupts
This section de scribes the specifics of the interr up t handling as performed in
ATtiny261A/461A/861A. For a general explanation of the AVR interrupt handling, refer to “Reset
and Interrupt Handling” on page 13.
9.1
Interrupt Vectors
Interrupt vectors of ATtiny261A/461A/861A are described in Table 9-1 below.
If the program never enables an interrupt source, the Interrupt Vectors are not used, and regular
program code can be placed at these locations.
The most typical and general program setup for the Reset and Interrupt Vector Addresses in
ATtiny261A/461A/861A is shown in the following program example.
Table 9-1.
Reset and Interrupt Vectors
Vector
No.
Program
Address
Source
Interrupt Definition
1
0x0000
RESET
External Pin, Power-on Reset,
Brown-out Reset, Watchdog Reset
2
0x0001
INT0
External Interrupt Request 0
3
0x0002
PCINT
Pin Change Interrupt Request
4
0x0003
TIMER1_COMPA
Timer/Counter1 Compare Match A
5
0x0004
TIMER1_COMPB
Timer/Counter1 Compare Match B
6
0x0005
TIMER1_OVF
Timer/Counter1 Overflow
7
0x0006
TIMER0_OVF
Timer/Counter0 Overflow
8
0x0007
USI_START
USI Start
9
0x0008
USI_OVF
USI Overflow
10
0x0009
EE_RDY
EEPROM Ready
11
0x000A
A
NA_COMP
Analog Comparator
12
0x000B
ADC
ADC Conversion Complete
13
0x000C
WDT
Watchdog Time-out
14
0x000D
INT1
External Interrupt Request 1
15
0x000E
TIMER0_COMPA
Timer/Counter0 Compare Match A
16
0x000F
TIMER0_COMPB
Timer/Counter0 Compare Match B
17
0x0010
TIMER0_CAPT
Timer/Counter1 Capture Event
18
0x0011
TIMER1_COMPD
Timer/Counter1 Compare Match D
19
0x0012
FAULT_PROTECTION
Timer/Counter1 Fault Protection



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