Interrupt Vectors In Atmega328P - Atmel ATmega48PV Manual

9.4

Interrupt Vectors in ATmega328P

Table 9-6. Reset and Interrupt Vectors in ATmega328P
Program
VectorNo. Address
1 0x0000
2 0x0002
3 0x0004
4 0x0006
5 0x0008
6 0x000A
7 0x000C
8 0x000E
9 0x0010
10 0x0012
11 0x0014
12 0x0016
13 0x0018
14 0x001A
15 0x001C
16 0x001E
17 0x0020
18 0x0022
19 0x0024
20 0x0026
21 0x0028
8025I–AVR–02/09
Address Labels Code
;
.org 0x1C00
0x1C00 jmp
0x1C02 jmp
0x1C04 jmp
... ...
0x1C32 jmp
;
0x1C33 RESET: ldi
0x1C34 out
0x1C35 ldi
0x1C36 out
0x1C37 sei
0x1C38 <instr>
(2)
Source
(1)
RESET
INT0
INT1
PCINT0
PCINT1
PCINT2
WDT
TIMER2 COMPA
TIMER2 COMPB
TIMER2 OVF
TIMER1 CAPT
TIMER1 COMPA
TIMER1 COMPB
TIMER1 OVF
TIMER0 COMPA
TIMER0 COMPB
TIMER0 OVF
SPI, STC
USART, RX
USART, UDRE
USART, TX
ATmega48P/88P/168P/328P
Comments
RESET ; Reset handler
EXT_INT0 ; IRQ0 Handler
EXT_INT1 ; IRQ1 Handler
... ;
SPM_RDY ; Store Program Memory Ready Handler
r16,high(RAMEND); Main program start
SPH,r16 ; Set Stack Pointer to top of RAM
r16,low(RAMEND)
SPL,r16
; Enable interrupts
xxx
Interrupt Definition
External Pin, Power-on Reset, Brown-out Reset and Watchdog System Reset
External Interrupt Request 0
External Interrupt Request 1
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
Pin Change Interrupt Request 2
Watchdog Time-out Interrupt
Timer/Counter2 Compare Match A
Timer/Counter2 Compare Match B
Timer/Counter2 Overflow
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match A
Timer/Coutner1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter0 Compare Match A
Timer/Counter0 Compare Match B
Timer/Counter0 Overflow
SPI Serial Transfer Complete
USART Rx Complete
USART, Data Register Empty
USART, Tx Complete
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