ATmega128
The most typical and general program setup for the Reset and Interrupt Vector Addresses in
ATmega128 is:
Address LabelsCode
Comments
$0000
$0002
$0004
$0006
$0008
$000A
$000C
$000E
$0010
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
RESET
EXT_INT0
EXT_INT1
EXT_INT2
EXT_INT3
EXT_INT4
EXT_INT5
EXT_INT6
EXT_INT7
; Reset Handler
; IRQ0 Handler
; IRQ1 Handler
; IRQ2 Handler
; IRQ3 Handler
; IRQ4 Handler
; IRQ5 Handler
; IRQ6 Handler
; IRQ7 Handler
$0012
jmp
TIM2_COMP ; Timer2 Compare Handler
$0014
jmp
TIM2_OVF
; Timer2 Overflow Handler
$0016
$0018
$001A
jmp
jmp
jmp
TIM1_CAPT ; Timer1 Capture Handler
TIM1_COMPA; Timer1 CompareA Handler
TIM1_COMPB; Timer1 CompareB Handler
$001C
jmp
TIM1_OVF
; Timer1 Overflow Handler
$001E
jmp
TIM0_COMP ; Timer0 Compare Handler
$0020
$0022
jmp
jmp
TIM0_OVF
SPI_STC
; Timer0 Overflow Handler
; SPI Transfer Complete Handler
$0024
$0026
$0028
jmp
jmp
jmp
USART0_RXC; USART0 RX Complete Handler
USART0_DRE; USART0,UDR Empty Handler
USART0_TXC; USART0 TX Complete Handler
$002A
$002C
$002E
jmp
jmp
jmp
ADC
EE_RDY
ANA_COMP
; ADC Conversion Complete Handler
; EEPROM Ready Handler
; Analog Comparator Handler
$0030
$0032
$0034
$0036
$0038
jmp
jmp
jmp
jmp
jmp
TIM1_COMPC; Timer1 CompareC Handler
TIM3_CAPT ; Timer3 Capture Handler
TIM3_COMPA; Timer3 CompareA Handler
TIM3_COMPB; Timer3 CompareB Handler
TIM3_COMPC; Timer3 CompareC Handler
$003A
jmp
TIM3_OVF
; Timer3 Overflow Handler
$003C
$003E
$0040
jmp
jmp
jmp
USART1_RXC; USART1 RX Complete Handler
USART1_DRE; USART1,UDR Empty Handler
USART1_TXC; USART1 TX Complete Handler
$0042
$0044
jmp
jmp
TWI
SPM_RDY
; Two-wire Serial Interface Interrupt Handler
; SPM Ready Handler
;
$0046
RESET:ldir16, high(RAMEND); Main program start
$0047
out
SPH,r16
; Set stack pointer to top of RAM
$0048
$0049
$004A
ldi
out
sei
r16, low(RAMEND)
SPL,r16
; Enable interrupts
$004B
<instr>
xxx
...
...
...
...
61
2467X–AVR–06/11
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