BU91600FV-M Datasheet, PDF (50/67 Pages) Rohm – Low Duty LCD Segment Driver

BU91600xxx Series MAX 148 Segments (37SEG x 4COM)
10. Frame Inversion 1/3 Duty 1/3 Bias Drive Scheme
fo[Hz]
COM1
COM2
COM3
LCD driver output w hen LCD segments
corresponding to COM1, COM2 and COM3 are off
LCD driver output w hen only LCD segments
corresponding to COM1 is on
LCD driver output w hen only LCD segments
corresponding to COM2 is on.
LCD driver output w hen only LCD segments
corresponding to COM1 and COM2 are on.
LCD driver output w hen only LCD segments
corresponding to COM3 is on.
LCD driver output w hen LCD segments
corresponding to COM1 and COM3 are on
LCD driver output w hen LCD segments
corresponding to COM2 and COM3 are on
LCD driver output w hen LCD segments
corresponding to COM1, COM2 and COM3 are on
Figure 35. LCD Waveform (Frame Inversion, 1/3 DUTY, 1/3BIAS) ^(Note)
(Note) COM4 function is same as COM1 at 1/3 duty.
Datasheet
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
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
50/63
TSZ02201-0P4P0D301300-1-2
16.Feb.2016 Rev.001