GLK12232-25-SM Matrix Orbital, GLK12232-25-SM Datasheet - Page 12

• 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

3.1.3 TTL Communications
also operate correctly at TTL (0 to +5V) levels. To configure to TTL mode you must remove the jumpers
from the RS232 location and place new jumpers on the indicated TTL setting. Please see the figure below
for TTL configuration.
3.1.4 I
tions line. The I
To configure to I
Matrix Orbital
Please see the following figure below for the default RS232 configuration.
This device complies with the EIA232 standard in that it uses signal levels from +/-12V to +/- 12V. It will
The display has I
2
C Communications
2
2
C data line operates on 5 volt CMOS levels. The display does not work on I
C mode you must remove the jumpers from the RS232 location and place new jumpers on
Pin Number
2
C communications running at 100 Kbps and up to 127 units on a single communica-
2
3
5
Figure 5: Default RS232 Configuration
Data from LCD
Data to LCD
Direction
Figure 6: TTL Connections
Table 1: RS-232 Pinout
-
GLK12232-25-SM
Data out (LCD)
Data in (LCD)
Description
Ground
LCD
gnd
Tx
Rx
Host
gnd
Rx
Tx
2
C by default.
8