參數(shù)資料
型號： MB9AF312MPMC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP80
封裝： 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù)： 68/114頁
文件大?。?/td> 1357K
代理商： MB9AF312MPMC
57
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
When the BOOTRST fuse is unprogrammed, the boot section size set to 2Kbytes and the IVSEL bit in the MCUCR register
is set before any interrupts are enabled, the most typical and general program setup for the reset and interrupt vector
addresses in the Atmel ATmega168PA is:
Address Labels
Code
Comments
0x0000 RESET:
ldi
r16,high(RAMEND); Main program start
0x0001
out
SPH,r16
; Set Stack Pointer to top of RAM
0x0002
ldi
r16,low(RAMEND)
0x0003
out
SPL,r16
0x0004
sei
; Enable interrupts
0x0005
<instr> xxx
;
.org 0x1C02
0x1C02
jmp EXT_INT0
; IRQ0 Handler
0x1C04
jmp EXT_INT1
; IRQ1 Handler
...
;
0x1C32
jmp SPM_RDY
; Store Program Memory Ready Handler
When the BOOTRST fuse is programmed and the boot section size set to 2Kbytes, the most typical and general program
setup for the reset and interrupt vector addresses in the Atmel ATmega168PA is:
Address Labels
Code
Comments
.org 0x0002
0x0002
jmp
EXT_INT0
; IRQ0 Handler
0x0004
jmp
EXT_INT1
; IRQ1 Handler
...
;
0x0032
jmp
SPM_RDY
; Store Program Memory Ready Handler
;
.org 0x1C00
0x1C00 RESET:
ldi
r16,high(RAMEND); Main program start
0x1C01
out
SPH,r16
; Set Stack Pointer to top of RAM
0x1C02
ldi
r16,low(RAMEND)
0x1C03
out
SPL,r16
0x1C04
sei
; Enable interrupts
0x1C05
<instr> xxx
When the BOOTRST fuse is programmed, the boot section size set to 2Kbytes and the IVSEL bit in the MCUCR register is
set before any interrupts are enabled, the most typical and general program setup for the reset and interrupt vector
addresses in the Atmel ATmega168PA is:
Address Labels
Code
Comments
;
.org 0x1C00
0x1C00
jmp
RESET
; Reset handler
0x1C02
jmp
EXT_INT0
; IRQ0 Handler
0x1C04
jmp
EXT_INT1
; IRQ1 Handler
...
;
0x1C32
jmp
SPM_RDY
; Store Program Memory Ready Handler
;
0x1C33 RESET:
ldi
r16,high(RAMEND); Main program start
0x1C34
out
SPH,r16
; Set Stack Pointer to top of RAM
0x1C35
ldi
r16,low(RAMEND)
0x1C36
out
SPL,r16
0x1C37
sei
; Enable interrupts
0x1C38
<instr> xxx
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