GLK12232-25-SM Matrix Orbital, GLK12232-25-SM Datasheet - Page 34

• 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

9.2 Issuing Commands
to the display by means of a BASIC program, using the chr$( ) function. In the tables below, we’ve shown
commands in hex, ASCII and decimal form. All commands begin with the prefix character 0xFE (254
decimal). These commands are issued on the serial communications link (I
defined baud rate.
display by including the line:
in the BASIC program.
9.3 Text Commands
Matrix Orbital
Commands are issued to the display by the micro-controller. In a test setup, commands can be issued
For example (using BASIC in a test setup), the user could issue the command to clear the screen on the
Or, with C the user could (using Zcomm serial library)
Command
Auto scroll on
Auto scroll off
Set text insertion point
E 51
FE 52
FE 47 [col] [row] 254 71
Syntax
254 81
254 ’Q’
254 82
254 ’R’
[col] [row] 254 ’G’ [col]
[row]
Table 9: Text Commands
GLK12232-25-SM
Default
off
off
n/a
2
C or RS-232) at the currently
Notes
Enables scroll at
bottom of screen.
Text will push
display up one
line to make room
for new line.
Disables
scroll. Text will
wrap to top left
and
existing text.
Sets text insertion
point using the
base size of the
current font
overwrite
auto
30