SH7615 Datasheet, PDF (743/925 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH
RISC engine Family/SH7600 Series

Figure 16.24 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
0% duty
TGRB rewritten
Time
Figure 16.24 Example of PWM Mode Operation (3)
Rev. 2.00, 03/05, page 705 of 884