欢迎访问ic37.com |
会员登录 免费注册
发布采购

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51页浏览型号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56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  
ATmega48/88/168  
0x01D  
0x01E  
out  
sei  
SPL,r16  
; Enable interrupts  
0x01F  
...  
<instr> xxx  
... ...  
...  
When the BOOTRST Fuse is unprogrammed, 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  
typical and general program setup for the Reset and Interrupt Vector Addresses in  
ATmega88 is:  
Address Labels Code  
Comments  
0x000  
RESET: ldi  
out  
r16,high(RAMEND); Main program start  
0x001  
RAM  
SPH,r16  
; Set Stack Pointer to top of  
0x002  
ldi  
r16,low(RAMEND)  
SPL,r16  
0x003  
0x004  
out  
sei  
; Enable interrupts  
0x005  
;
<instr> xxx  
.org 0xC01  
0xC01  
rjmp  
rjmp  
...  
EXT_INT0  
EXT_INT1  
...  
; IRQ0 Handler  
0xC02  
; IRQ1 Handler  
...  
;
0xC19  
rjmp  
SPM_RDY  
; Store Program Memory Ready  
Handler  
When the BOOTRST Fuse is programmed and the Boot section size set to 2K bytes, the  
most typical and general program setup for the Reset and Interrupt Vector Addresses in  
ATmega88 is:  
Address Labels Code  
Comments  
.org 0x001  
0x001  
0x002  
...  
rjmp  
rjmp  
...  
EXT_INT0  
EXT_INT1  
...  
; IRQ0 Handler  
; IRQ1 Handler  
;
0x019  
rjmp  
SPM_RDY  
; Store Program Memory Ready  
Handler  
;
.org 0xC00  
0xC00  
RESET: ldi  
r16,high(RAMEND); Main program start  
0xC01  
RAM  
out  
SPH,r16  
; Set Stack Pointer to top of  
0xC02  
ldi  
r16,low(RAMEND)  
SPL,r16  
0xC03  
0xC04  
out  
sei  
; Enable interrupts  
0xC05  
<instr> xxx  
55  
2545D–AVR–07/04  
 复制成功!