Chapter 17
LCD
XVII - 30
LCD Display Examples
Frame period
COM1
COM0
SEG6
(data)
(0)
"A" electrode
(COM1-SEG6)
(OFF)
"B" electrode
(COM0-SEG6)
(OFF)
Figure:17.4.2 LCD display example in 1/2 duty
V
LC1
V
= V
LC2
LC3
V
SS
V
LC1
V
= V
LC2
LC3
V
SS
V
LC1
V
= V
LC2
LC3
V
SS
(1)
+V
LCD
+1/2V
LCD
0
-1/2V
LCD
-V
LCD
(ON)
+V
LCD
+1/2V
LCD
0
-1/2V
LCD
-V
LCD
(OFF)
V
LCD