NHD-0420D3Z-NSW-BBW Newhaven Display, NHD-0420D3Z-NSW-BBW Datasheet - Page 4

• Manufacturer Part Number: NHD-0420D3Z-NSW-BBW
• Description: LCD Character Display Modules STN - Blue Transm White LED Bklght
• Manufacturer: Newhaven Display

Specifications of NHD-0420D3Z-NSW-BBW

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

Pin Description
Pin No. Symbol
Recommended LCD connector: 2.54mm pitch pins on J1 or J2
Backlight connector: controlled by command Mates with: ‐
Jumper Communication Selection
Short
Open
Short
Open
R1
1
2
3
1
2
3
4
5
6
1
2
3
4
5
SCK/SCL
SDI/SDA
Short
Short
Open
Open
SPISS
VDD
SDO
VDD
VDD
VPP
PA0
PA1
VSS
VSS
Vss
R2
RX
External
Connection
Power Supply
Power Supply
Power Supply
Power Suppy
Protocol
RS232
TEST
MPU
MPU
MPU
MPU
I2C
SPI
NC
NC
NC
NC
NC
NC
Function Description
RS232 Serial input port
Ground
Power supply for logic (+5.0V)
SPI Slave Select (NC in I2C mode)
No Connect
Serial Clock
Serial Data In (SPI) / Serial Data (I2C)
Ground
Power Supply for logic (+5.0V)
No Connect
No Connect
No Connect
No Connect
No Connect
Description
Self‐test
100KHz max clock
100KHz max clock
5V, TTL signal
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