C-51505NFJ-SLG-AB Datasheet, PDF (9/18 Pages) OPTREX CORPORATION – LCD Module Technical Specification

4.I/O Terminal
4.1.Pin Assignment
CN1
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
LED (A)
LED (K)
VSS
VCC
VEE
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
Function
LED Anode Terminal
LED Cathode Terminal
Power Supply (0V, GND)
Power Supply for Logic
Power Supply for LCD Drive
Register Select Signal
Read/Write Select Signal H : Read L : Write
Enable Signal (No pull-up Resister)
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line / Non-connection at 4-bit operation
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
CN2
No.
17
18
Symbol
LED (A)
LED (K)
LED Anode Terminal
LED Cathode Terminal
Function
4.2.Example of Power Supply
It is recommended to apply a potentiometer for the contrast adjust due to the
tolerance of the driving voltage and its temperature dependence.
VCC
VR
MODULE VSS
VEE
VR=10~20KΩ
VCC (+Voltage)
VSS (0V)
C-51505NFJ-SLG-AB (AB) No. 2002-0175
OPTREX CORPORATION
Page 9/18