NHD-0420AZ-FL-YBW-3V3 Newhaven Display, NHD-0420AZ-FL-YBW-3V3 Datasheet - Page 4

• Manufacturer Part Number: NHD-0420AZ-FL-YBW-3V3
• Description: LCD Character Display Modules STN-Y/G Transfl 77.5 x 47.0
• Manufacturer: Newhaven Display

Specifications of NHD-0420AZ-FL-YBW-3V3

• 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: ‐‐‐
11‐14
7‐10
15
16
1
2
3
4
5
6
DB0‐DB3
DB4‐DB7
LED+
LED‐
VDD
R/W
Vss
V0
RS
E
External
Connection
Power Supply
Power Supply
Power Supply
Power Supply
Power Supply
MPU
MPU
MPU
MPU
MPU
Function Description
Ground
Supply voltage for logic (+3.0V)
Power supply for contrast (approx. 0V)
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.
For 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 (+3.0V)
Ground for backlight
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