ACM4004E SERIES LCD MODULE
6.0 PIN ASSIGNMENT
7.0 POWER SUPPLY
Vdd
Pin No.
Symbol
Function
1
2
DB7
DB6
Data bit 7
Data bit 6
+5V
Vo
Vr
3DB5
Data
bit
5
Vss
4
DB4
Data bit 4
5
DB3Data
DB2
DB1
DB0
E1
bit
3
STANDARD TEMP RANGE
Vdd
6
Data bit 2
7
Data bit 1
8
Data bit 0
9
Enable Signal of U1
Read / Write Signal
Register Select
LCD contrast adjust
10
11
12
13Vss
14
R/W
RS
+5V
Vo
Vr
-5V
Vo
Ground
Vss
Vdd
E2
+5V
15
16
Enable Signal of U2
No Connect
WIDE TEMP RANGE
NC
Vr = 10KΩ ~ 20KΩ
+
-
BL+
BL-
Power Supply for BL+
Power Supply for BL-
8.0 TIMING CHARACTERISTICS
Item
Symbol
Test Condition
Fig. a, Fig. b
Fig. a, Fig. b
Fig. a, Fig. b
Fig. a, Fig. b
Fig. a, Fig. b
Fig. b
Min.
Typ.
Max.
Unit
Enable cycle time
tC
500
220
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
Enable pulse width
Enable rise/fall time
RS, R/W set up time
RS, R/W hold time
Data delay time
tW
tR , tF
tSU
-
25
40
10
-
-
tH
-
tD
120
Data set up time
Data hold time
tDSU
tDH
Fig. a
60
20
-
-
Fig. a, Fig. b
4
AZ DISPLAYS, INC.
10/08/02
AZDISPLAYS [ AZ DISPLAYS ]
