Rainbow-electronics ATmega162V Manuale Utente Scaricare il pdf (Pagina 98)

100

101

ATmega162/V

2513E–AVR–09/03

Figure 41. Timer/Counter Timing Diagram, with Prescaler (f

clk_I/O

/8)

Figure 42 shows the setting of OCF0 in all modes except CTC mode.

Figure 42. Timer/Counter Timing Diagram, Setting of OCF0, with Prescaler (f

clk_I/O

/8)

Figure 43 shows the setting of OCF0 and the clearing of TCNT0 in CTC mode.

Figure 43. Timer/Counter Timing Diagram, Clear Timer on Compare Match Mode, with

Prescaler (f

clk_I/O

/8)

TOVn

TCNTn

MAX - 1 MAX BOTTOM BOTTOM + 1

clk

I/O

clk

(clk

I/O

/8)

OCFn

OCRn

TCNTn

OCRn Value

OCRn - 1 OCRn OCRn + 1 OCRn + 2

clk

I/O

clk

(clk

I/O

/8)

OCFn

OCRn

TCNTn

(CTC)

TOP

TOP - 1 TOP BOTTOM BOTTOM + 1

clk

I/O

clk

(clk

I/O

/8)

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 322 323

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