Pin Description and Wiring Diagram
Pin No. Symbol
1
2
3
4
5
6
7‐10
11‐14
15
16
VSS
VDD
V0
RS
R/W
E
DB0 – DB3
DB4 – DB7
LED+
LED‐
External
Connection
Power Supply
Power Supply
Adj Power Supply
MPU
MPU
MPU
MPU
MPU
Power Supply
Power Supply
Function Description
Ground
Supply Voltage for logic (+5.0V)
Power supply for contrast (approx. 0.4V)
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.
Four high order bi‐directional three‐state data bus lines.
Power supply for LED Backlight (+5.0V via on‐board resistor)
Ground for Backlight
Recommended LCD connector: 2.54mm pitch pins
Backlight connector: ‐‐‐ Mates with: ‐‐‐
[4]
NEWHAVEN [ NEWHAVEN DISPLAY INTERNATIONAL, INC. ]
