ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 148

• Manufacturer Part Number: ATMEGA644PV
• Description: 8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

148
ATmega164P/324P/644P
Figure 15-8. Timer/Counter Timing Diagram, no Prescaling
Figure 15-9 on page 148
Figure 15-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 15-10 on page 148
Figure 15-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
TCNTn
TCNTn
(clk
(clk
TOVn
TOVn
TCNTn
clk
clk
clk
clk
(clk
OCRnx
OCFnx
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
I/O
/1)
/8)
I/O
Tn
/8)
MAX - 1
OCRnx - 1
MAX - 1
shows the same timing data, but with the prescaler enabled.
shows the setting of OCF2A in all modes except CTC mode.
OCRnx
MAX
MAX
OCRnx Value
OCRnx + 1
BOTTOM
BOTTOM
clk_I/O
/8)
BOTTOM + 1
BOTTOM + 1
OCRnx + 2
8011D–AVR–02/07
clk_I/O
/8)