Atmel ATmega328 User Manual

156
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Figure 18-9. Timer/Counter Timing Diagram, with Prescaler (f
clk_I/O
/8)
Figure 18-10 shows the setting of OCF2A in all modes except CTC mode.
Figure 18-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
clk_I/O
/8)
Figure 18-11 shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
Figure 18-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
caler (f
clk_I/O
/8)
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)
OCFnx
OCRnx
TCNTn
(CTC)
TOP
TOP - 1 TOP BOTTOM BOTTOM + 1
clk
I/O
clk
Tn
(clk
I/O
/8)

Atmel ATmega328 Specifications

General

Brand	Atmel
Model	ATmega328
Category	Microcontrollers
Language	English