Atmega32(l) – Rainbow Electronics ATmega32L User Manual

Page 121

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121

ATmega32(L)

2503C–AVR–10/02

Figure 60. Timer/Counter Timing Diagram, no Prescaling

Figure 61 shows the same timing data, but with the prescaler enabled.

Figure 61. Timer/Counter Timing Diagram, with Prescaler (f

clk_I/O

/8)

Figure 62 shows the setting of OCF2 in all modes except CTC mode.

Figure 62. Timer/Counter Timing Diagram, Setting of OCF2, with Prescaler (f

clk_I/O

/8)

clk

Tn

(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

Tn

(clk

I/O

/8)

OCFn

OCRn

TCNTn

OCRn Value

OCRn - 1

OCRn

OCRn + 1

OCRn + 2

clk

I/O

clk

Tn

(clk

I/O

/8)

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