GLK12232-25-SM-WB-E Matrix Orbital, GLK12232-25-SM-WB-E Datasheet - Page 41

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

Specifications of GLK12232-25-SM-WB-E

• Display Type: LCD - Color
• Display Mode: Transmissive
• Viewing Area: 60.20mm L x 18.00mm W
• Backlight: LED - Blue
• Dot Size: 0.40mm W x 0.40mm H
• Dot Pitch: 0.44mm x 0.44mm
• Dot Pixels: 122 x 32
• Interface: I²C, RS232, TTL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.1.1 I
the first unread key press. A read is initiated by writing to the module with its base address plus 1, then
clocking the module’s return byte after the module releases the SDA line. Much more detail on this basic
I
10.1.2 RS232 Interface
rate. This behavior can be modified using commands found in the next section.
10.2 Auto Transmit Key Presses On
10.3 Auto Transmit Key Presses Off
Matrix Orbital
2
C function can be found in the I
The keypad is read by I
By default on any press of a key, the module will immediately send out the key code at the selected baud
Syntax
Description
Remembered
Default
Syntax
Description
Remembered
2
C Interface
2
In this mode, all key presses are sent immediately to the host system
without the use of the poll keypad command. This is the default mode
on power up.
NOTE This command is not available in I
Yes
On
In this mode, up to 10 key presses are buffered until the unit is polled by
the host system, via the poll keypad command 254 38. Issuing this
command places the unit in polled mode.
NOTE This command is not available in I
Yes
C master read. In short, this means that a read of the module will always return
Hexadecimal
Decimal
ASCII
Hexadecimal
Decimal
ASCII
2
C specification by Phillips.
GLK12232-25-SM
0xFE 0x41
254 65
254 “A”
0xFE 0x4F
254 79
254 “O”
2
2
C.
C.
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