ACM4004H View Datasheet(PDF) - Zettler Electronics
Part Name
Description
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ACM4004H Datasheet PDF : 16 Pages
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ACM4004H SERIES CHARACTER MODULE VER2.0
5.0 BLOCK DIAGRAM
14. Vdd
13. Vss
12. Vo
11. RS
10. R/W
8. DB0
8
1. DB7
9. E1
15. E2
U1
SEG1- 40
U1
COM 16 16
COM 16 16
U2
SEG1- 40
U2
U3
SEGMENT
U4
SEGMENT
40
80
80
LCD 40X4
40
80
80
SEGMENT
U5
SEGMENT
U6
17/+ BL+
18/- BL-
LED BACKLIGHT
6.0 PIN ASSIGNMENT
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Symbol
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
E1
R/W
RS
Vo
Vss
Vdd
E2
NC
BL+
BL-
Function
Data bit 7
Data bit6
Data bit5
Data bit4
Data bit3
Data bit2
Data bit1
Data bit0
U1 enable
Read / Write
Register select
LCD contrast adjust
Ground
+5V
U2 enable
-
Power Supply for BL+
Power Supply for BL-
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
6
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