HD64F2638F20J Datasheet, PDF (419/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 10 16-Bit Timer Pulse Unit (TPU)
Figure 10-27 shows examples of PWM waveform output with 0% duty and 100% duty in PWM
mode.
TCNT value _{TGRB rewritten}
TGRA
TGRB
H'0000
TIOCA
TGRB rewritten
TGRB
rewritten
0% duty
Time
TCNT value
TGRA
TGRB rewritten
TGRB
H'0000
TIOCA
Output does not change when cycle register and duty register
compare matches occur simultaneously
TGRB rewritten
100% duty
TGRB rewritten
Time
TCNT value
TGRA
TGRB rewritten
Output does not change when cycle register and duty
register compare matches occur simultaneously
TGRB rewritten
TGRB
H'0000
TIOCA
100% duty
TGRB rewritten
Time
0% duty
Figure 10-27 Example of PWM Mode Operation (3)
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 369 of 1458