MSM6222 OKI [OKI electronic componets], MSM6222 Datasheet - Page 37

• Manufacturer Part Number: MSM6222
• Description: DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
• Manufacturer: OKI [OKI electronic componets]

¡ Semiconductor
Figures 12, 13 and 14 show the LCD driving waveforms consisting of COM signal, SEG signal,
DF signal and L (latch pulse waveform) signal, in the duty of 1/8, 1/11 and 1/16 respectively.
The relation between duty and frame frequency is described in the table below.
(Note) The OSC oscillation frequency is assumed to be 250 kHz.
LCD Drive Waveforms
Duty
1/8
1/11
1/16
Frame frequency
78.1 Hz
56.8 Hz
78.1 Hz
MSM6222B-xx
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