ACM0802B SERIES LCD MODULE
4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, V
DD
= 5.0V
±
0.25V)
Item
Supply voltage for LCD drive (Std temp)
Input voltage
Input high voltage
Input low voltage
Output high voltage
Output low voltage
Supply current
Input leakage current
LED power supply current
Symbol
V
DD
-V
O
V
I
V
IH
V
IL
V
OH
V
OL
I
DD
I
LKG
I
LED
Condition
Ta = 25
°
C
-
-
-
I
OH
=0.2mA
I
OL
=1.2mA
V
DD
=5.0V
-
V
LED
=5V, R=4.7
Ω
4.75
2.2
0
2.4
-
-
-
-
-
170
Min
Typ
4.3
5.0
-
-
-
-
5.25
V
DD
0.6
-
0.4
3.0
1.0
-
Max
Unit
V
V
V
V
V
V
mA
uA
mA
5.0 INTERFACE PIN CONNECTIONS
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
Symbol
V
SS
V
DD
V
O
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A
Level
-
-
-
H/L
H/L
H, H
→
L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
-
-
Pin Description
Ground
Supply voltage for logic
LCD contrast adjust
Register select
Read / write
Enable
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
Anode for LED backlight
Cathode for LED backlight
Function
0V
+5V
By user
H: Data; L: Instruction code
H: Data read, L: Data write
Start signal for data read/write
8-bit interface
8-bit interface
8-bit interface
8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
4-bit or 8-bit interface
Power supply for LED backlight
Power supply for LED backlight
K
K
AZ DISPLAYS, INC.
2
5-22-00
AZDISPLAYS [ AZ DISPLAYS ]
