BU97540KV-M Datasheet, PDF (48/70 Pages) Rohm – Multi-function Segment Drivers

BU97540KV-M
3. Line Inversion 1/4-Duty 1/3-Bias Drive Scheme
fo[Hz]
COM1
COM2
COM3
COM4
LCD driver output w hen all LCD
segment corresponding to COM1,
COM2, COM3 and COM4 are off
LCD driver output w hen only LCD segments
corresponding to COM1 are on
LCD driver output w hen only LCD segments
corresponding to COM2 are 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 are 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
LCD driver output w hen only LCD segments
corresponding to COM4 are on.
LCD driver output w hen LCD segments
corresponding to COM2 and COM4 are on
LCD driver output w hen LCD segments
corresponding to COM1, COM2,
COM3, COM4 are on
Figure 26. LCD Waveform (Line Inversion, 1/4 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
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
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TSZ02201-0P4P0D300970-1-2
29.Jun.2015 Rev.002