Datasheet

150
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Figure 16-8. Timer/Counter Timing Diagram, no Prescaling
Figure 16-9 on page 150 shows the same timing data, but with the prescaler enabled.
Figure 16-9. Timer/Counter Timing Diagram, with Prescaler (f
clk_I/O
/8)
Figure 16-10 on page 150 shows the setting of OCF2A in all modes except CTC mode.
Figure 16-10. Timer/Counter Timing Diagram, Setting of OCF2A, 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)
OCFnx
OCRnx
TCNTn
OCRnx Value
OCRnx - 1 OCRnx OCRnx + 1 OCRnx + 2
clk
I/O
clk
Tn
(clk
I/O
/8)