attiny25v ATMEL Corporation, attiny25v Datasheet - Page 79

• Manufacturer Part Number: attiny25v
• Description: Microcontroller With 2/4/8k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

2586K–AVR–01/08
Figure 11-11. Timer/Counter Timing Diagram, with Prescaler (f
Figure 11-12
mode and PWM mode, where OCR0A is TOP.
Figure 11-12. Timer/Counter Timing Diagram, Setting of OCF0x, with Prescaler (f
Figure 11-13
PWM mode where OCR0A is TOP.
Figure 11-13. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
TCNTn
(clk
TCNTn
(clk
TCNTn
(CTC)
OCRnx
(clk
OCFnx
TOVn
OCRnx
OCFnx
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
I/O
Tn
I/O
Tn
/8)
/8)
/8)
shows the setting of OCF0B in all modes and OCF0A in all modes except CTC
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode and fast
caler (f
clk_I/O
OCRnx - 1
MAX - 1
TOP - 1
/8)
OCRnx
MAX
TOP
OCRnx Value
TOP
OCRnx + 1
clk_I/O
BOTTOM
BOTTOM
ATtiny25/45/85
/8)
BOTTOM + 1
BOTTOM + 1
clk_I/O
OCRnx + 2
/8)
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