Rainbow Electronics ATmega64L - Manual (Page 106)

106
ATmega16(L)
2466B–09/01
Note: 1. The CTC1 and PWM11:0 bit definition names are obsolete. Use the WGM 12:0 definitions. However, the functionality and
location of these bits are compatible with previous versions of the timer.
Table 47. Waveform Generation Mode Bit Description (1)
Mode WGM13
WGM12
(CTC1)
WGM11
(PWM11)
WGM10
(PWM10) Timer/Counter Mode of Operation TOP
Update of
OCR1
x
TOV1 Flag Set
on
0 0 0 0 0 Normal 0xFFFF Immediate MAX
1 0 0 0 1 PWM, Phase Correct, 8-bit 0x00FF TOP BOTTOM
2 0 0 1 0 PWM, Phase Correct, 9-bit 0x01FF TOP BOTTOM
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 TOP TOP
6 0 1 1 0 Fast PWM, 9-bit 0x01FF TOP TOP
7 0 1 1 1 Fast PWM, 10-bit 0x03FF TOP 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 TOP TOP
15 1 1 1 1 Fast PWM OCR1A TOP TOP