HD404818 Datasheet, PDF (53/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

T × (TCR + 1)
TMC3 = 0
HD404818 Series
TMC3 = 1
T ^{T × 256}
T × (256 – TCR)
T: Input clock period to counter (see table 23)
TCR: The value of the timer load register
Note: When TCR = $FF, this waveform is always fixed low.
Figure 28 Variable Duty-Cycle Pulse Output Waveform
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