SH7108 Datasheet, PDF (208/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 8 Multifunction Timer Pulse Unit (MTU)
Figure 8.23 shows examples of PWM waveform output with 0% duty cycle and 100% duty cycle
in PWM mode.
TCNT value
TGRB rewritten
TGRA
TGRB
H'0000
TIOCA
TGRB rewritten
TGRB
rewritten
0% duty cycle
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
TGRB rewritten
100% duty cycle
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 cycle
TGRB rewritten
Time
0% duty cycle
Figure 8.23 Example of PWM Mode Operation (3)
Rev.1.00 Sep. 18, 2008 Page 174 of 522
REJ09B0069-0100