HD64F3670 Datasheet, PDF (165/305 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

TCNT value
Write to GRB
GRA
GRB
H'0000
FTIOB
TCNT value
GRA
Write to GRB
GRB
H'0000
FTIOB
Write to GRB
Duty 100%
Output does not change when cycle register
and duty register compare matches occur
simultaneously.
Write to GRB
Write to GRB
Duty 0%
Time
Time
TCNT value
GRA
Write to GRB
Output does not change when cycle register
and duty register compare matches occur
simultaneously.
Write to GRB
GRB
H'0000
FTIOB
Duty 0%
Duty 100%
Write to GRB
Time
Figure 11-13 PWM Mode Example
(TOB=1, TOC=1,and TOD=1: initial output values are set to 1)
Rev. 1.0, 03/01, page 141 of 280