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參數(shù)資料
| 型號： | ACM4004D |
| 廠商： | AZ Displays, Inc. |
| 英文描述： | ACM4004D SERIES LCD MODULE |
| 中文描述： | ACM4004D系列液晶模塊 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 112K |
| 代理商： | ACM4004D |
AZ DISPLAYS, INC. 2
1/15/02
ACM4004D SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25C, VDD = 5.0V +/- 0.25V)
Item
Symbol
Condition
Min
Typ
Max
Unit
Supply voltage for LCD drive (Std temp)
Supply voltage for LCD drive (Wide temp)
Input voltage
Input high voltage
Input low voltage
Supply current
V
DD
-V
O
V
DD
-V
O
V
I
V
IH
V
IL
I
DD
V
DD
=5.0V
Ta = 25
°
C
Ta = 25
°
C
-
-
-
4.5
6.2
5.0
V
DD
0.2V
DD
V
V
V
V
V
4.75
0.8V
DD
V
SS
-
6.0
10.0 mA
5.25
-
-
LED power supply current
I
LED
Vf=4.2V
-
600
-
mA
5.0 INTERFACE PIN CONNECTIONS
Pin No.
Symbol
Level
Pin Description
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
DB7
DB6 H/L
DB5
Data bit 7
Data bit 6
Data bit 5
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
V
O
VSS
VDD
E2
-
By user
0V
5V
RS
H/L
H/L
H/L
H: Data; L: Instruction code
R/W
Read / write
Register Select
LCD Contrast Adjustment
Ground
H: Data read, L: Data write
E1
H, H
→
L
H/L
H/L
Start signal for data read/write
DB0
H/L
H/L
Data bit 0
Enable for IC1
8-bit interface
8-bit interface
DB1
Data bit 1
8-bit interface
8-bit interface
DB2
H/L
Data bit 2
DB3
Data bit 3
DB4
Data bit 4
5V
Supply Voltage for logic
Enable for IC2
Anode for LED backlight
Cathode for LED backlight
Power supply for LED/EL backlights
K
0V
Power supply for LED/EL backlights
H/L
0V
H, H
→
L
4.2V
None
NC
A
No Connection
Start signal for data read/write
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