GLK12232-25-WBL-E Matrix Orbital, GLK12232-25-WBL-E Datasheet - Page 10

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

Specifications of GLK12232-25-WBL-E

• 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

2.1.1 Power Connections
2.1.2 RS-232 Communications
connector soldered to these pins can be connected to a Matrix Orbital supplied PC cable.
may be used to connect the modules to a standard serial port such as COM ports on PCs. Note that this
device complies with the EIA232 standard in that it uses signal levels from +/- 3V to +/- 12V. It will not
operate correctly at TTL (0 to +5V) levels.
2.1.3 I
munications line. The I
communication line.
Matrix Orbital
A group of four connections (pins 7-10) provide for RS-232 communications and power. A 4 pin SIP
The RS-232 connector on the PC cable is wired so that a standard ’straight through’ 9 pin D-sub cable
The display has I
2
C Communications
Pin Number
2
C communications runs at 100 Kbps and supports up to 127 units on a single com-
WARNINGS
2
C data line operates on 5 volt CMOS levels. The power connector is also the I
2
3
5
• Do not apply any power with reversed polarization.
• Do not apply any voltage other than the specified voltage.
• Do not use any cables other than the cables supplied by Matrix
• Do not under any circumstances use an unmodified floppy drive
• Do not apply power to both the DB-9 connector AND the 4-pin
• Do not apply more than +5Vdc to pin #9 of the DB-9 connector.
Orbital, unless aware of the modifications required.
power cable.
power connector.
Data from LCD
Figure 3: Power and I
Data to LCD
Direction
Table 2: RS-232 Pinout
GLK12232-25-WBL
-
Data Out (LCD)
Data In (LCD)
Description
2
C Connector
Ground
LCD
gnd
Tx
Rx
Host
gnd
Rx
Tx
2
C
6