LK202-25-WB Matrix Orbital, LK202-25-WB Datasheet - Page 41
![LCD ALPHA/NUM DISPL 20X2 BLU/WHT](/photos/7/89/78981/lk202-25-wb_back_sml.jpg)
LK202-25-WB
Manufacturer Part Number
LK202-25-WB
Description
LCD ALPHA/NUM DISPL 20X2 BLU/WHT
Manufacturer
Matrix Orbital
Datasheet
1.LK202-25-GW.pdf
(63 pages)
Specifications of LK202-25-WB
Display Mode
Transmissive
Number Of Digits/alpha
40
Outline L X W X H
116.00mm x 37.00mm x 25.73mm
Viewing Area
82.20mm L x 18.20mm W
Display Format
20 x 2
Character Size
5.55mm H x 3.20mm W
Character Format
5 x 7 Dots
Voltage - Supply
5VDC
Dot Size
0.60mm W x 0.65mm H
Interface
I²C, RS232, TTL
Operating Temperature
0°C ~ 50°C
Character Count X Line
20 x 2
Module Size (w X H X T)
116 mm x 37 mm x 25.73 mm
Fluid Type
STN
Background Color
Blue
Voltage Rating
5 V
Operating Temperature Range
0 C to + 50 C
Backlight Type
LED White
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Display Type
-
Backlight
-
Lead Free Status / Rohs Status
Details
Other names
635-1018
connector. The keypad is scanned whenever a key is pressed;there is no continuous key scan. This means
that key presses are dealt with immediately without any appreciable latency. This also prevents electrical
noise which is often caused by continuous key scans.
9.1.1 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
9.1.2 RS232 Interface
rate. This behavior can be modified using commands found in the next section.
9.2 Auto Transmit Key Presses On
9.3 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
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
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.
0xFE 0x41
254 65
254 “A”
0xFE 0x4F
254 79
254 “O”
LK202-25
2
C.
37