ATmega325PA Atmel Corporation, ATmega325PA Datasheet - Page 150

• Manufacturer Part Number: ATmega325PA
• Manufacturer: Atmel Corporation

8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 18-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 18-10
Figure 18-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 18-11
Figure 18-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
TCNTn
TCNTn
(clk
(clk
(clk
OCRnx
OCRnx
OCFnx
(CTC)
OCFnx
TOVn
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
I/O
Tn
I/O
Tn
Tn
/8)
/8)
/8)
shows the setting of OCF2A in all modes except CTC mode.
shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
caler (f
clk_I/O
OCRnx - 1
TOP - 1
MAX - 1
/8)
TOP
OCRnx
MAX
OCRnx Value
TOP
BOTTOM
OCRnx + 1
BOTTOM
clk_I/O
/8)
BOTTOM + 1
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)
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