Datasheet

Section 12 Timer W
Rev. 6.00 Mar. 24, 2006 Page 179 of 412
REJ09B0142-0600
Figures 12.12 and 12.13 show examples of the output of PWM waveforms with duty cycles of 0%
and 100%.
TCNT value
GRA
H'0000
FTIOB
Time
GRB
Duty 0%
Write to GRB
Write to GRB
TCNT value
GRA
H'0000
FTIOB
Time
GRB
Duty 100%
Write to GRB
Write to GRB
Output does not change when cycle register
and duty register compare matches occur
simultaneously.
TCNT value
GRA
H'0000
FTIOB
Time
GRB
Duty 100%
Write to GRB
Write to GRB
Write to GRB
Output does not change when cycle register
and duty register compare matches occur
simultaneously.
Duty 0%
Write to GRB
Figure 12.12 PWM Mode Example
(TOB, TOC, and TOD = 0: initial output values are set to 0)