Datasheet

Section 13 Timer W
Rev. 3.00 Mar. 15, 2006 Page 202 of 526
REJ09B0060-0300
Figures 13.12 and 13.13 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 13.12 PWM Mode Example
(TOB = 0, TOC = 0, TOD = 0: Initial Output Values are Set to 0)