NHD-0220DZ-FL-GBW Datasheet, PDF (4/11 Pages) Newhaven Display International, Inc. – Character Liquid Crystal Display Module

Pin Description and Wiring Diagram
Pin No. Symbol
1
VSS
2
VDD
3
V0
4
RS
5
R/W
6
E
7-10 DB0 – DB3
11-14
15
16
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: ---