Rainbow-electronics ATmega64C1 Bedienungsanleitung PDF herunterladen (Seite 99)

100

101

7647A–AVR–02/08

ATmega32/64/M1/C1

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

(clk

I/O

/8)

OCFnx

OCRnx

TCNTn

OCRnx Value

OCRnx - 1 OCRnx OCRnx + 1 OCRnx + 2

clk

I/O

clk

(clk

I/O

/8)

OCFnx

OCRnx

TCNTn

(CTC)

TOP

TOP - 1 TOP BOTTOM BOTTOM + 1

clk

I/O

clk

(clk

I/O

/8)

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 365 366

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