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ML9044 Datasheet(PDF) 40 Page - OKI electronic componets

Part # ML9044
Description  DOT MATRIX LCD CONTROLLER DRIVER
PDF  55 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

ML9044 Datasheet(HTML) 40 Page - OKI electronic componets

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ML9044
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LCD Drive Waveforms
The COM and SEG waveforms (AC signal waveforms for display) vary according to the duty (1/
9, 1/12 and 1/17 duties). See 1) to 3) below.
The relationship between the duty ratio and the frame frequency is as follows:
Note:
At an oscillation frequency (OSC) of 270 kHz
(1) Driving the LCD of one 24–character line (1/9 duty, CSR = L, AS = 0) under the conditions
of the 1–line display mode and the character font of 5 ¥ 7 dots
• COM10 to COM17 output Display–OFF common signals.
Duty ratio
Frame Frequency
1/9
75.0Hz
1/12
56.3Hz
1/17
79.4Hz
COM1
Character
Cursor
Arbitrator
COM8
COM9
SEG1
SEG120
ML9044



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