BU91510KV-M Datasheet, PDF (20/32 Pages) Rohm – Multi- function LCD Segment Drivers

BU91510KV-M
3. 1/3-Duty 1/3-Bias Drive Scheme
COM1
fo[Hz]
COM2
COM3
LCD driver output when all LCD
segment correstpoding to COM1,
COM2,COM3, and COM4 are off
LCD driver output when only LCD segments
corresponding to COM1 are on.
LCD driver output when only LCD segments
corresponding to COM2 are on.
LCD driver output when LCD segments
corresponding to COM1 and COM2 are on.
LCD driver output when only LCD segments
corresponding to COM3 are on.
LCD driver output when LCD segments
corresponding to COM1 and COM3 are on.
LCD driver output when LCD segments
corresponding to COM2 and COM3 are on.
LCD driver output when all LCD segments
corresponding to COM1, COM2,
and COM3 are on.
Figure 13. LCD Waveform (1/3-Duty, 1/3-Bias)
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
V_LCD
V_LCD1
V_LCD2
0V
※COM4 function is same as COM1 at 1/3-Duty.
Datasheet
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TSZ02201-0P4P0D301130-1-2
8.July.2015 Rev.001