Rainbow Electronics ATmega161L - Manual (Page 23)

23
ATmega161(L)
1228C–AVR–08/02
Note: 1. If BOOTRST fuse is programmed, the Reset Vector is located on program address
$1e00, see Table 39 on page 112 for details.
The most typical and general program setup for the Reset and Interrupt Vector
addresses are:
Address Labels Code Comments
$000 jmp RESET ; Reset Handler
$002 jmp EXT_INT0 ; IRQ0 Handler
$004 jmp EXT_INT1 ; IRQ1 Handler
$006 jmp EXT_INT2 ; IRQ2 Handler
$008 jmp TIM2_COMP ; Timer2 Compare Handler
$00a jmp TIM2_OVF ; Timer2 Overflow Handler
$00c jmp TIM1_CAPT ; Timer1 Capture Handler
$00e jmp TIM1_COMPA ; Timer1 CompareA Handler
$010 jmp TIM1_COMPB ; Timer1 CompareB Handler
$012 jmp TIM1_OVF ; Timer1 Overflow Handler
$014 jmp TIM0_COMP ; Timer0 Compare Handler
$016 jmp TIM0_OVF ; Timer0 Overflow Handler
$018 jmp SPI_STC; ; SPI Transfer Complete Handler
Table 2. Reset and Interrupt Vectors (1)
Vector
No. Program Address Source Interrupt Definition
1 $000 RESET External Pin, Power-on Reset and
Watchdog Reset
2 $002 INT0 External Interrupt Request 0
3 $004 INT1 External Interrupt Request 1
4 $006 INT2 External Interrupt Request 2
5 $008 TIMER2 COMP Timer/Counter2 Compare Match
6 $00a TIMER2 OVF Timer/Counter2 Overflow
7 $00c TIMER1 CAPT Timer/Counter1 Capture Event
8 $00e TIMER1 COMPA Timer/Counter1 Compare Match A
9 $010 TIMER1 COMPB Timer/Counter1 Compare Match B
10 $012 TIMER1 OVF Timer/Counter1 Overflow
11 $014 TIMER0 COMP Timer/Counter0 Compare Match
12 $016 TIMER0 OVF Timer/Counter0 Overflow
13 $018 SPI, STC Serial Transfer Complete
14 $01a UART0, RX UART0, Rx Complete
15 $01c UART1, RX UART1, Rx Complete
16 $01e UART0, UDRE UART0 Data Register Empty
17 $020 UART1, UDRE UART1 Data Register Empty
18 $022 UART0, TX UART0, Tx Complete
19 $024 UART1, TX UART1, Tx Complete
20 $026 EE_RDY EEPROM Ready
21 $028 ANA_COMP Analog Comparator