Rainbow-electronics ATmega162V Manuale Utente Scaricare il pdf (Pagina 147)

100

101

147

ATmega162/V

2513E–AVR–09/03

Figure 66. Timer/Counter Timing Diagram, no Prescaling

Figure 67 shows the same timing data, but with the prescaler enabled.

Figure 67. Timer/Counter Timing Diagram, with Prescaler (f

clk_I/O

/8)

Figure 68 shows the setting of OCF2 in all modes except CTC mode.

Figure 68. Timer/Counter Timing Diagram, Setting of OCF2, with Prescaler (f

clk_I/O

/8)

Figure 69 shows the setting of OCF2 and the clearing of TCNT2 in CTC mode.

clk

(clk

I/O

/1)

TOVn

clk

I/O

TCNTn

MAX - 1 MAX BOTTOM BOTTOM + 1

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)

1 2 ... 142 143 144 145 146 147 148 149 150 151 152 ... 322 323

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