NHD-0420D3Z-FL-GBW Newhaven Display, NHD-0420D3Z-FL-GBW Datasheet - Page 11

• Manufacturer Part Number: NHD-0420D3Z-FL-GBW
• Description: LCD MOD CHAR 4X20 SERIAL TRANSFL
• Manufacturer: Newhaven Display

Specifications of NHD-0420D3Z-FL-GBW

• Display Type: STN - Super-Twisted Nematic
• Display Mode: Transflective
• Number Of Digits/alpha: 80
• Outline L X W X H: 98.00mm x 60.00mm x 13.50mm
• Viewing Area: 76.00mm L x 25.20mm W
• Backlight: LED - Yellow/Green
• Display Format: 20 x 4
• Character Size: 4.75mm H x 2.95mm W
• Character Format: 5 x 8 Dots
• Voltage - Supply: 5.0V
• Dot Size: 0.55mm W x 0.55mm H
• Interface: I²C
• Operating Temperature: -10°C ~ 55°C
• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 13.5 mm
• Fluid Type: STN
• Background Color: Gray
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Clear Screen
Set Display Contrast
Set Backlight Brightness
Load Custom Characters
Syntax
Parameter
Default
Syntax
Parameter
Default
Syntax
Parameter
Default
Syntax
Parameter
Default
Description
Description
Description
Description
There are space for eight user defined custom characters, this command load the custom character into
one of the eight locations. The custom character pattern is bit mapped into 8 data bytes, the bit map for
Spanish character ‘¿’ is shown in table below, to display the custom character, user simply enter the
address of the character (0 to 8).
None
[addr] 1 byte Custom character address, 0 – 7
[D0..D7]
This command sets the LCD character display contrast, the contrast setting is between 1 to 50, where
50 is the highest contrast.
hexadecimal 0xFE 0x51
Parameter
This command clears the entire display and place the cursor at line 1 column 1.
None.
hexadecimal 0xFE 0x52 [contrast]
Parameter
Default contrast value is 40.
hexadecimal 0xFE 0x53 [brightness]
Parameter
This command set the LCD display backlight brightness level, the value is between 1 to 8.
Default brightness value is 1.
hexadecimal 0xFE 0x54 [addr] [d0 …d7]
Parameter
None.
[contrast]
[brightness]
Byte 1 0
Byte 2 0
Byte 3 0
Byte 4 0
Byte 5 0
Byte 6 0
Byte 7 0
Byte 8 0
Bit
None Clear LCD and move cursor to line 1 column 1.
7
Length
Length
1 byte Set the display contrast, value between 1 to 50
Length
1 byte Set the LCD backlight brightness level, value between 1 to 8
Length
8 bytes Custom character pattern bit map
6
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
4
0
0
0
0
1
1
0
0
3
0
0
0
1
0
0
1
0
Description
Description
Description
Description
[11]
2
1
0
1
0
0
0
1
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0x04
0x00
0x04
0x08
0x10
0x11
0x0E
0x00
Hex