NHD-0440AZ-NSW-FBW Newhaven Display, NHD-0440AZ-NSW-FBW Datasheet - Page 4

• Manufacturer Part Number: NHD-0440AZ-NSW-FBW
• Description: LCD Character Display Modules FSTN (+) Transm 190.0 x 54.0
• Manufacturer: Newhaven Display

Specifications of NHD-0440AZ-NSW-FBW

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Description and Wiring Diagram
Pin No. Symbol
Recommended LCD connector: 2.54mm pitch pins
Backlight connector: ‐‐‐ Mates with: ‐‐‐
1‐4
5‐8
10
11
12
13
14
15
16
17
18
9
DB7‐DB4
DB3‐DB0
LED+
LED‐
R/W
VDD
Vss
NC
E1
RS
V0
E2
External
Connection
Power Supply
Power Supply
Power Supply
Power Supply
Power Supply
MPU
MPU
MPU
MPU
MPU
MPU
‐
Function Description
Four high order bi‐directional three‐state data bus lines.
Four low order bi‐directional three‐state data bus lines. These four
are not used during 4‐bit operation.
Operation enable signal. Falling edge triggered for top 2 lines.
Read/Write select signal, R/W=1: Read R/W:=0: Write
Register select signal. RS=0: Command, RS=1: Data
Power supply for contrast (approx. 0V)
Ground
Supply voltage for logic (5.0V)
Operation enable signal. Falling edge triggered for bottom 2 lines.
No Connect
Power supply for LED backlight (+5.0V with on board resistor)
Ground for backlight