Samsung KS57C2308 Manual page 270

LCD CONTROLLER/DRIVER
COM0
COM1
COM2
COM3
SEG13
COM0–
SEG13
COM1–
SEG13
12-22
Figure 12-19. LCD Signal Waveforms at 1/4 Duty, 1/3 Bias
T f
KS57C2308/P2308/C2316/P2316
V
LC0
V LC1
V LC2
V
SS
V
LC0
V LC1
V
LC2
V
SS
V
LC0
V LC1
V LC2
V
SS
V
LC0
V LC1
V LC2
V
SS
V
LC0
V LC1
V LC2
V
SS
+ V LCD
+ 1/3 V LCD
0
– 1/3 V LCD
– V LCD
+ V LCD
+ 1/3 V LCD
0
– 1/3 V LCD
– V LCD