GLK12232-25-SM Matrix Orbital, GLK12232-25-SM Datasheet - Page 33

• 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

8.1.13 Set Serial Number (254 52 [byte1] [byte2]
serial number using this one time only command.
face. The serial number may be set only once. Any future attempt to execute this command will result in no
change and the module will return to the originally set serial number.
8.1.14 Read Serial Number (254 53)
previously stored.
8.1.15 Read Version Number (254 54)
hex value.
9 Appendix: Command Summary
9.1 General
This chapter includes summary tables of all commands.
Matrix Orbital
Modules may be delivered with the serial number blank. In this case the user may set the desired 2 byte
Upon the execution of this command, the module will echo these two bytes back over the RS-232 inter-
This command will return, over the RS-232 interface, the 2-byte serial number of the module as it was
This command will return the firmware version number of the display. Version number will be a 1-byte
The operation of the display is controlled by a simple and consistent command set. Commands control;
• Text display
• Graphics display
• Keypad interface
• The display file system
• Miscellaneous operating parameters
Speed Value
0F Hex
8A Hex
Table 8: Speed Settings
20 Hex
95 Hex
03 Hex
GLK12232-25-SM
115000 baud
19200 baud
57600 baud
76800 baud
9600 baud
Speed
29