105
8021G–AVR–03/11
ATmega329P/3290P
Figure 4 shows the setting of OCF0A and the clearing of TCNT0 in CTC mode.
Figure 4. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Prescaler
(f
clk_I/O
/8)
OCFnx
OCRnx
TCNTn
(CTC)
TOP
TOP - 1 TOP BOTTOM BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O
/8)
