GLK12232-25-SM Matrix Orbital, GLK12232-25-SM Datasheet - Page 30

• Manufacturer Part Number: GLK12232-25-SM
• Description: LCD Graphic Display Modules & Accessories White Background Blue Text
• Manufacturer: Matrix Orbital

Specifications of GLK12232-25-SM

• Pixel Density: 122 x 32
• Module Size (w X H X T): 86 mm x 35 mm x 14.4 mm
• Viewing Area (w X H): 60.2 mm x 18 mm
• Backlighting: White
• Background Color: Blue, White
• Operating Temperature Range: - 20 C to + 70 C
• Attached Touch Screen: No
• Product: Graphic LCD Module
• Style: LCD Graphic Display
• Interface: RS-232, I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.5 Working with Bitmap Files
not required.
Bitmap data follows with the bits organized vertically from the top left. The last byte may be padded with
zeros.
8 Miscellaneous Commands
8.1 General
than one category.
8.1.1 Clear Display (254 88)
Matrix Orbital
Uploading a bitmap is the same as uploading a font file except that the character header information is
The bitmap file consists of a header followed by the bitmap data. The header format is as follows;
• Placeholder for actual EOF (2 bytes, use 0xFF 0xFF - these bytes will be set to their final value by the
• x size of bitmap (1 byte)
• y size of bitmap (1 byte)
The commands listed in this chapter don’t readily fit in any of the other categories, or are used in more
This command clears the display and resets the text write position to the top left of the screen.
module)
7F 04 81 80 07
02 20 B1 07
C4 3E 10
00 017
FF FF
00 0F
00 14
05
07
68
70
05
03
04
Table 6: Explanation of Bytes in the File
Number of bytes in definition of second character
Number of bytes in definition of third character
Number of bytes in definition of first character
Offset to definition of second character (i)
Offset to definition of third character (j)
Offset to definition of first character (h)
GLK12232-25-SM
Definition of second character
First ASCII character defined
Last ASCII character defined
Placeholders for actual EOF
Definition of third character
Definition of first character
Font height
Font width
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