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ATMEGA48PA-CCU 参数 Datasheet PDF下载

ATMEGA48PA-CCU图片预览
型号: ATMEGA48PA-CCU
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PBGA32, 4 X 4 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, UFBGA-32]
分类和应用: 闪存微控制器
文件页数/大小: 349 页 / 2752 K
品牌: ATMEL [ ATMEL ]
 浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第52页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第53页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第54页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第55页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第57页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第58页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第59页浏览型号ATMEGA48PA-CCU的Datasheet PDF文件第60页  
When the BOOTRST Fuse is programmed, the Boot section size set to 2K bytes and the  
IVSEL bit in the MCUCR Register is set before any interrupts are enabled, the most typ-  
ical and general program setup for the Reset and Interrupt Vector Addresses in  
ATmega88 is:  
Address Labels Code  
Comments  
;
.org 0xC00  
0xC00  
0xC01  
0xC02  
...  
rjmp  
rjmp  
rjmp  
...  
RESET  
; Reset handler  
; IRQ0 Handler  
; IRQ1 Handler  
;
EXT_INT0  
EXT_INT1  
...  
0xC19  
rjmp  
SPM_RDY  
; Store Program Memory Ready  
Handler  
;
0xC1A  
RESET: ldi  
out  
r16,high(RAMEND); Main program start  
0xC1B  
RAM  
SPH,r16  
; Set Stack Pointer to top of  
0xC1C  
ldi  
r16,low(RAMEND)  
SPL,r16  
0xC1D  
0xC1E  
out  
sei  
; Enable interrupts  
0xC1F  
<instr> xxx  
56  
ATmega48/88/168  
2545D–AVR–07/04  
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