Rainbow Electronics ATmega32L - Manual (Page 77)

77
ATmega32(L)
2503C–AVR–10/02
Figure 36. Timer/Counter Timing Diagram, Setting of OCF0, with Prescaler (f
clk_I/O
/8)
Figure 37 shows the setting of OCF0 and the clearing of TCNT0 in CTC mode.
Figure 37. Timer/Counter Timing Diagram, Clear Timer on Compare Match Mode, with
Prescaler (f
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)
OCFn
OCRn
TCNTn
(CTC)
TOP
TOP - 1 TOP BOTTOM BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O
/8)