ACM2004E SERIES LCD MODULE
4.1 OPTICAL CHARACTERISTICS (Ta=25
o
C, Vdd= 5.0V
+
0.25V, STN LC fluid)
Item
Viewing angle (horizontal)
Viewing angle (vertical)
Contrast Ratio
Response time (rise)
Response time (fall)
Symbol
θ
φ
Cr
Tr
Tf
Condition
Cr
≥
2.0
Cr
≥
2.0
φ=0°, θ=0°
φ=0°, θ=0°
φ=0°, θ=0°
Min
-60
-40
-
-
-
Typ
-
-
6
150
150
Max
35
40
-
250
250
ms
ms
Unit
deg
deg
5.0 BLOCK DIAGRAM
1. Vss
2. Vdd
3. Vo
4. RS
5. R/W
6. E
7. DB0
8
14. DB7
~
U2
SEG1- 40
40
SEG1- 40
40
SEG41- 80
U3
20
SEG81-100
U1
COM 16 16
16
SEG 1
COM 1
SEG100
LCD 20X4
COM32
SEG 101
SEG161- 200
40
SEG121-160
40
SEG200
SEG101-120
20
U5
15/17 BL+
U4
LED BACKLIGHT
*
16/18
BL-
*Note: connected to Vss
AZ DISPLAYS, INC.
04/24/02
3