57
7647H–AVR–03/12
Atmel ATmega16/32/64/M1/C1
8. Interrupts
This section describes the specifics of the interrupt handling as performed in
ATmega16/32/64/M1/C1. For a general explanation of the AVR interrupt handling, refer to
“Reset and Interrupt Handling” on page 17.
8.1 Interrupt Vectors in ATmega16/32/64/M1/C1
Table 8-1. Reset and Interrupt Vectors
Vector
No.
Program
Address Source Interrupt Definition
1 0x0000 RESET
External Pin, Power-on Reset, Brown-out Reset,
Watchdog Reset, and Emulation AVR Reset
2 0x0002 ANACOMP 0 Analog Comparator 0
3 0x0004 ANACOMP 1 Analog Comparator 1
4 0x0006 ANACOMP 2 Analog Comparator 2
5 0x0008 ANACOMP 3 Analog Comparator 3
6 0x000A PSC FAULT
(3)
PSC Fault
7 0x000C PSC EC
(3)
PSC End of Cycle
8 0x000E INT0 External Interrupt Request 0
9 0x0010 INT1 External Interrupt Request 1
10 0x0012 INT2 External Interrupt Request 2
11 0x0014 INT3 External Interrupt Request 3
12 0x0016 TIMER1 CAPT Timer/Counter1 Capture Event
13 0x0018 TIMER1 COMPA Timer/Counter1 Compare Match A
14 0x001A TIMER1 COMPB Timer/Counter1 Compare Match B
15 0x001C TIMER1 OVF Timer/Counter1 Overflow
16 0x001E TIMER0 COMPA Timer/Counter0 Compare Match A
17 0x0020 TIMER0 COMPB Timer/Counter0 Compare Match B
18 0x0022 TIMER0 OVF Timer/Counter0 Overflow
19 0x0024 CAN INT CAN MOB, Burst, General Errors
20 0x0026 CAN TOVF CAN Timer Overflow
21 0x0028 LIN TC LIN Transfer Complete
22 0x002A LIN ERR LIN Error
23 0x002C PCINT0 Pin Change Interrupt Request 0
24 0x002E PCINT1 Pin Change Interrupt Request 1
25 0x0030 PCINT2 Pin Change Interrupt Request 2
26 0x0032 PCINT3 Pin Change Interrupt Request 3
27 0x0034 SPI, STC SPI Serial Transfer Complete
28 0x0036 ADC ADC Conversion Complete
29 0x0038 WDT Watchdog Time-Out Interrupt
30 0x003A EE READY EEPROM Ready
31 0x003C SPM READY Store Program Memory Ready
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