H8SX1520 Datasheet, PDF (355/846 Pages) Renesas Technology Corp – 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series

Section 9 16-Bit Timer Pulse Unit (TPU)
Figure 9.24 shows examples of PWM waveform output with 0% duty cycle and 100% duty cycle
in PWM mode.
TCNT value
TGRB changed
TGRA
TGRB
H'0000
TIOCA
TGRB changed
TGRB
changed
0% duty
Time
TCNT value
TGRA
TGRB changed
TGRB
H'0000
TIOCA
Output does not change when compare matches in cycle register
and duty register occur simultaneously
TGRB changed
100% duty
TGRB changed
Time
TCNT value
TGRA
TGRB changed
Output does not change when compare matches in cycle register
and duty register occur simultaneously
TGRB changed
TGRB
H'0000
TIOCA
100% duty
0% duty
TGRB changed
Time
Figure 9.24 Example of PWM Mode Operation (3)
Rev. 3.00 Mar. 14, 2006 Page 317 of 804
REJ09B0104-0300