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ATMEGA8A-AUR 参数 Datasheet PDF下载

ATMEGA8A-AUR图片预览
型号: ATMEGA8A-AUR
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP32, 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ABA, TQFP-32]
分类和应用: 闪存
文件页数/大小: 308 页 / 4674 K
品牌: ATMEL [ ATMEL ]
 浏览型号ATMEGA8A-AUR的Datasheet PDF文件第50页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第51页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第52页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第53页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第55页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第56页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第57页浏览型号ATMEGA8A-AUR的Datasheet PDF文件第58页  
When reading back a software assigned pin value, a nop instruction must be inserted as indi-  
cated in Figure 24. The out instruction sets the “SYNC LATCH” signal at the positive edge of the  
clock. In this case, the delay tpd through the synchronizer is 1 system clock period.  
Figure 24. Synchronization when Reading a Software Assigned Pin Value  
SYSTEM CLK  
0xFF  
r16  
out PORTx, r16  
nop  
in r17, PINx  
INSTRUCTIONS  
SYNC LATCH  
PINxn  
0x00  
tpd  
0xFF  
r17  
54  
ATmega8(L)  
2486T–AVR–05/08  
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