ATMEGA325-16AJ ATMEL [ATMEL Corporation], ATMEGA325-16AJ Datasheet - Page 134

• Manufacturer Part Number: ATMEGA325-16AJ
• Description: 8-bit Microcontroller with In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

134
ATmega325/3250/645/6450
Figure 62. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 63 shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
Figure 63. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with
Prescaler (f
TCNTn
TCNTn
(clk
(clk
OCRnx
OCRnx
OCFnx
(CTC)
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/8)
clk_I/O
/8)
OCRnx - 1
TOP - 1
TOP
OCRnx
OCRnx Value
TOP
BOTTOM
OCRnx + 1
BOTTOM + 1
OCRnx + 2
2570A–AVR–09/04
clk_I/O
/8)