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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 ]
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Figure 62. 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 63 shows the setting of OCF2A in all modes except CTC mode.  
Figure 63. 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 64 shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.  
Figure 64. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with  
Prescaler (fclk_I/O/8)  
clkI/O  
clkTn  
(clkI/O/8)  
TCNTn  
(CTC)  
TOP - 1  
TOP  
BOTTOM  
BOTTOM + 1  
OCRnx  
TOP  
OCFnx  
142  
ATmega48/88/168  
2545D–AVR–07/04  
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