参数资料
型号: IV80C52EXXX-25:RD
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44
封装: 1.40 MM HEIGHT, VQFP-44
文件页数: 6/134页
文件大小: 3805K
103
8011Q–AVR–02/2013
ATmega164P/324P/644P
Figure 12-9. Timer/Counter Timing Diagram, with Prescaler (f
clk_I/O/8)
Figure 12-10 shows the setting of OCF0B in all modes and OCF0A in all modes except CTC
mode and PWM mode, where OCR0A is TOP.
Figure 12-10. Timer/Counter Timing Diagram, Setting of OCF0x, with Prescaler (f
clk_I/O/8)
Figure 12-11 shows the setting of OCF0A and the clearing of TCNT0 in CTC mode and fast
PWM mode where OCR0A is TOP.
Figure 12-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
caler (f
clk_I/O/8)
TOVn
TCNTn
MAX - 1
MAX
BOTTOM
BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O/8)
OCFnx
OCRnx
TCNTn
OCRnx Value
OCRnx - 1
OCRnx
OCRnx + 1
OCRnx + 2
clk
I/O
clk
Tn
(clk
I/O/8)
OCFnx
OCRnx
TCNTn
(CTC)
TOP
TOP - 1
TOP
BOTTOM
BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O/8)
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