Pin Description and Wiring Diagram
Pin No. Symbol
External
Function Description
Connection
Power Supply
Power Supply
1
2
VSS
VDD
Ground
Supply Voltage for logic (+5.0V)
3
V0
Adj Power Supply Power supply for contrast (approx. 0.5V)
4
5
6
7‐10
RS
R/W
E
MPU
MPU
MPU
MPU
Register select signal. RS=0: Command, RS=1: Data
Read/Write select signal, R/W=1: Read R/W: =0: Write
Operation enable signal. Falling edge triggered.
Four low order bi‐directional three‐state data bus lines. These four
are not used during 4‐bit operation.
DB0 – DB3
11‐14
15
16
DB4 – DB7
LED+
MPU
Power Supply
Power Supply
Four high order bi‐directional three‐state data bus lines.
Power supply for LED Backlight (+5.0V)
Ground for Backlight
LED‐
Recommended LCD connector: 2.54mm pitch pins
Backlight connector: ‐‐‐ Mates with: ‐‐‐
[4]
NEWHAVEN [ NEWHAVEN DISPLAY INTERNATIONAL, INC. ]
