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ATMEGA48PA-AU 参数 Datasheet PDF下载

ATMEGA48PA-AU图片预览
型号: ATMEGA48PA-AU
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器与4/8/ 16 / 32K字节的系统内可编程闪存 [8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash]
分类和应用: 闪存微控制器和处理器外围集成电路时钟
文件页数/大小: 448 页 / 12817 K
品牌: ATMEL [ ATMEL ]
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ATmega48PA/88PA/168PA/328P  
Figure 17-9. Timer/Counter Timing Diagram, with Prescaler (fclk_I/O/8)  
clkI/O  
clkTn  
(clkI/O/8)  
TCNTn  
TOVn  
MAX - 1  
MAX  
BOTTOM  
BOTTOM + 1  
Figure 17-10 shows the setting of OCF2A in all modes except CTC mode.  
Figure 17-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (fclk_I/O/8)  
clkI/O  
clkTn  
(clkI/O/8)  
TCNTn  
OCRnx  
OCFnx  
OCRnx - 1  
OCRnx  
OCRnx + 1  
OCRnx + 2  
OCRnx Value  
Figure 17-11 shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.  
Figure 17-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-  
caler (fclk_I/O/8)  
clkI/O  
clkTn  
(clkI/O/8)  
TCNTn  
(CTC)  
TOP - 1  
TOP  
BOTTOM  
BOTTOM + 1  
OCRnx  
TOP  
OCFnx  
154  
8161D–AVR–10/09  
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