Pin Description and Wiring Diagram
Pin No. Symbol
External
Connection
Function Description
1
2
VDD
V0
Power Supply
Supply Voltage for logic (+5.0V)
Adj Power Supply Power supply for contrast (approx. 0.5V)
3
4
5
6‐9
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
10‐13
14
A
DB4 – DB7
VSS
MPU
Four high order bi‐directional three‐state data bus lines.
Ground
Power supply for LED Backlight (+4.2V)
Ground for Backlight
Power Supply
Power Supply
Power Supply
LED+
LED‐
K
Recommended LCD connector: 1.0mm pitch pins
Backlight connector: ‐‐‐ Mates with: ‐‐‐
[4]
NEWHAVEN [ NEWHAVEN DISPLAY INTERNATIONAL, INC. ]
