Fujitsu F2MC-8FX Hardware Manual page 277

Figure 16.10-2 Operating Diagram of PWM Timer Function (Fixed-cycle Mode)
T00/01DR register value: "00 " (duty ratio = 0%)
H
Counter value
PWM waveform
T00/01DR register value: "80 " (duty ratio = 50%)
H
Counter value
PWM waveform
T00/01DR register value: "FF " (duty ratio = 99.6%)
H
Counter value
PWM waveform
Note: When the PWM function has been selected, the timer output pin holds the level used when the counter stops
(T00/01CR0:STA = "0").
00H
H
L
00H 80H
H
L
00H
H
L
CHAPTER 16 8/16-BIT COMPOSITE TIMER
FFH00H
FFH00H
FFH00H
One count width
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