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NHD-0420D3Z-FL-GBW-V3
Serial Liquid Crystal Display Module
NHD-
Newhaven Display
0420-
4 Lines x 20 Characters
D3Z-
Model
F-
Transflective
L-
Yellow/Green LED Backlight
G-
STN Positive / Gray
B-
6:00 Optimal View
W-
Wide Temperature
V3-
Firmware Version 3.00
RoHS Compliant
Newhaven Display International, Inc.
Ph: 847-844-8795
www.newhavendisplay.com
nhtech@newhavendisplay.com
2661 Galvin Ct.
Elgin IL, 60124
Fax: 847-844-8796
nhsales@newhavendisplay.com
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Summary of Contents for Newhaven Display International NHD-0420D3Z-FL-GBW-V3
- Page 1 4 Lines x 20 Characters D3Z- Model Transflective Yellow/Green LED Backlight STN Positive / Gray 6:00 Optimal View Wide Temperature Firmware Version 3.00 RoHS Compliant Newhaven Display International, Inc. 2661 Galvin Ct. Elgin IL, 60124 Ph: 847-844-8795 Fax: 847-844-8796 www.newhavendisplay.com nhtech@newhavendisplay.com nhsales@newhavendisplay.com...
- Page 2 Document Revision History Revision Date Description Changed by 5/14/2012 Initial Release 10/1/2012 Character address code updated 12/18/2014 Mechanical drawing & Electrical characteristics updated 11/23/15 Module Redesign 12/29/16 Backlight & PCB Updated 10/1/18 Supply Voltage, Supply Current & I2C Speed Updated 6/12/19 SPI &...
- Page 3 7. Interface: RS232 (TTL) / SPI / I2C THIS DRAWING IS SOLELY THE PROPERTY OF NEWHAVEN DISPLAY INTERNATIONAL, INC. THE INFORMATION IT CONTAINS IS NOT TO BE DISCLOSED, REPRODUCED OR COPIED IN WHOLE OR PART WITHOUT WRITTEN APPROVAL FROM NEWHAVEN DISPLAY.
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Page 4: Pin Description
Pin Description Pin No. Symbol External Connection Function Description RS-232 (TTL) Serial input port Power Supply Ground Power Supply Supply Voltage (+5.0V) Pin No. Symbol External Connection Function Description SPISS SPI Slave Select (NC in I2C mode) No Connect SCK/SCL Serial Clock SDI/SDA Serial Data In (SPI) / Serial Data (I2C) -
Page 5: Electrical Characteristics
Electrical Characteristics Item Symbol Condition Min. Typ. Max. Unit Operating Temperature Range Absolute Max ⁰C Storage Temperature Range Absolute Max ⁰C Supply Voltage Supply Current (LCD + Backlight) = 5.0V Supply for LCD (contrast) = 25°C “H” Level input 0.7 * V “L”... -
Page 6: Communication Information
Communication Information This display uses a built-in PIC16F690 for serial communication. 100mS delay is required upon power-up for the built-in PIC to initialize the display controller. I2C protocol: To enter the I2C mode, place a jumper on R1. SDA and SDK have pull-up resistors (10K Ohm) on R7 and R8. The default I2C address is 80 (50 hex). - Page 7 Table of Commands Prefix Command Parameter Description Execution time 1 Byte Display Character Write (0x00 ~ 0xFF) 100uS 0xFE 0x41 None Display on 100uS 0xFE 0x42 None Display off 100uS 0xFE 0x45 1 Byte Set cursor 100uS 0xFE 0x46 None Cursor home 1.5mS 0xFE...
- Page 8 Changing BAUD Rate Syntax hexadecimal 0xFE 0x61 [baud] Parameter Parameter Length Description [BAUD] 1 byte New RS-232 BAUD Rate, 1 - 8 Description This command sets the RS-232 BAUD rate. The single byte parameter selects the desired BAUD rate as in the table below. The new BAUD rate requires 20 microseconds to take effect;...
- Page 9 Set Cursor Position Syntax hexadecimal 0xFE 0x45 [pos] Parameter Parameter Length Description [pos] 1 byte Put cursor at location specified by [pos], 0x00 to 0x67 Description This command moves the cursor to a specified location where the next character will be displayed.
- Page 10 Move Cursor Left One Space Syntax hexadecimal 0xFE 0x49 Parameter Parameter Length Description None None Move cursor left 1 space Description This command moves the cursor position left 1 space whether the cursor is turned on or not. The displayed character is not altered. Default: None Move Cursor Right One Space Syntax...
- Page 11 Back Space Syntax hexadecimal 0xFE 0x4E Parameter Parameter Length Description None None Move cursor back one space, delete last character. Description This command is destructive backspace. The cursor is moved back one space and the character on the cursor is deleted. Default: None Clear Screen Syntax...
- Page 12 Load Custom Characters Syntax hexadecimal 0xFE 0x54 [addr] [d0 …d7] Parameter Parameter Length Description [addr] 1 byte Custom character address, 0 – 7 [D0...D7] 8 bytes Custom character pattern bit map Description There is space for eight user-defined custom characters. This command loads the custom character into one of the eight locations.
- Page 13 Display Firmware Version Number Syntax hexadecimal 0xFE 0x70 Parameter Parameter Length Description None None Display the firmware version number. Description This command displays the firmware version. Default: None Display RS-232 Baud Rate Syntax hexadecimal 0xFE 0x71 Parameter Parameter Length Description None None Display Baud Rate...
- Page 14 Built-in Font Table [14]...
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Page 15: Quality Information
Quality Information Test Item Content of Test Test Condition Note High Temperature storage Endurance test applying the high storage +80⁰C , 48hrs temperature for a long time. Low Temperature storage Endurance test applying the low storage -30⁰C , 48hrs temperature for a long time. High Temperature Endurance test applying the electric stress +70⁰C 48hrs...
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