Datasheet

Mode WGM13 WGM12
(CTC1)
(1)
WGM11
(PWM11)
(1)
WGM10
(PWM10)
(1)
Timer/
Counter
Mode of
Operation
TOP Update of
OCR1x at
TOV1 Flag
Set on
3 0 0 1 1 PWM, Phase
Correct, 10-bit
0x03FF TOP BOTTOM
4 0 1 0 0 CTC OCR1A Immediate MAX
5 0 1 0 1 Fast PWM, 8-
bit
0x00FF BOTTOM TOP
6 0 1 1 0 Fast PWM, 9-
bit
0x01FF BOTTOM TOP
7 0 1 1 1 Fast PWM, 10-
bit
0x03FF BOTTOM TOP
8 1 0 0 0 PWM, Phase
and Frequency
Correct
ICR1 BOTTOM BOTTOM
9 1 0 0 1 PWM, Phase
and Frequency
Correct
OCR1A BOTTOM BOTTOM
10 1 0 1 0 PWM, Phase
Correct
ICR1 TOP BOTTOM
11 1 0 1 1 PWM, Phase
Correct
OCR1A TOP BOTTOM
12 1 1 0 0 CTC ICR1 Immediate MAX
13 1 1 0 1 Reserved - - -
14 1 1 1 0 Fast PWM ICR1 BOTTOM TOP
15 1 1 1 1 Fast PWM OCR1A BOTTOM TOP
Note:
1. The CTC1 and PWM1[1:0] bit definition names are obsolete. Use the WGM1[3:0] definitions.
However, the functionality and location of these bits are compatible with previous versions of the
timer.
Atmel ATmega16M1/32M1/64M1 [DATASHEET]
Atmel-8209F-ATmega16M1/32M1/64M1_Datasheet_Complete-10/2016
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