LCD CONTROLLER/DRIVER KS57C2308/P2308/C2316/P2316
12-20
Tf
+ 1/3 VLCD
+ VLCD
COM2–
SEG12 – 1/3 VLCD
0
– VLCD
+ 1/3 VLCD
+ VLCD
COM1–
SEG12 – 1/3 VLCD
0
– VLCD
LCD
+ 1/3 VLCD
+ VLCD
COM0–
SEG12 – 1/3 VLCD
0
– V
SEG12
V
V
LC0
SS
VLC2
VLC1
COM2
V
V
LC0
SS
VLC2
VLC1
COM1
V
V
LC0
SS
VLC2
VLC1
COM0
V
V
LC0
SS
VLC2
VLC1
Figure 12-17. LCD Signal Waveforms at 1/3 Duty, 1/3 Bias