GLK12232-25-WBL-VPT Matrix Orbital, GLK12232-25-WBL-VPT Datasheet - Page 26

• Manufacturer Part Number: GLK12232-25-WBL-VPT
• Description: LCD GRAPHIC DISPL 122X32 WHT BLU
• Manufacturer: Matrix Orbital

Specifications of GLK12232-25-WBL-VPT

• Display Type: LCD - Color
• Display Mode: Transmissive
• Viewing Area: 76.00mm L x 25.20mm W
• Backlight: LED - White
• Dot Size: 0.52mm W x 0.62mm H
• Dot Pitch: 0.53mm x 0.53mm
• Dot Pixels: 122 x 32
• Interface: I²C, RS232, TTL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

because each vertical column is simply one byte (lsb at the top). In this case however, the font is only 7 bits
high so the bytes "wrap around" as shown in the Figure below.
LSB is at the top. Each byte is shown in a different colour in the diagram. When the bytes are straightened
out, it’s simple enough to find their hex values, which are shown in the diagram above each byte. Trailing
zero bytes at the end of narrow characters are not included in the file.
Matrix Orbital
Now the bitmaps have to be converted to bytes. If the font is 8 bits high, this is a pretty simple job
We’ve marked in the bits that are set for the letter "h". Remember that the bytes are ’inverted’, i.e., the
The colours refer to:
0xFF
0x05
0x04
0x20
Font information
0xB1
0xFF
0x00
0x81
Figure 10: Bytes For a 7 Bit High Font
Figure 9: Bitmaps for h, i, and j
Table 7: Example of a File Font
0X05
0x14
0x80
0x07
header,
GLK12232-25-WBL
0x03
0x07
0x07
character
0xC4
0x68
0x00
’h’,
0x6A
0x3E
0x17
character
0x04
0x10
0x00
’i’,
character
0x7F
0x0F
0x02
’j’.
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