LK202-25-FB Matrix Orbital, LK202-25-FB Datasheet - Page 49
LK202-25-FB
Manufacturer Part Number
LK202-25-FB
Description
LCD Character Display Modules Black Background Blue Text
Manufacturer
Matrix Orbital
Datasheet
1.LK202-25-GW.pdf
(63 pages)
Specifications of LK202-25-FB
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
Voltage Rating
5 V
Operating Temperature Range
0 C to + 50 C
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11.3 Data Lock
Matrix Orbital
Syntax
Parameters
Description
Remembered
Default
Examples
sending a zero will unlock your display as the following tables explains:
NOTES
Always
0
Paranoia allows you to lock the module from displaying information, as
Hexadecimal
Decimal
Parameter
level
well as enables the protection of the filesystem and module settings.
• Sending a new data lock level will override the previous data lock level.
• Data lock levels may be combined.
Each bit corresponds corresponds to a different lock level, while
0x00
0x50
Bit
0-2
3
4
5
6
7
Hex
Data Lock Level
Reserved
Communication
Speed Lock
Setting Lock
Reserved
Command Lock
Display Lock
Dec
80
0
0xFE 0xCA 0xF5 0xA0 [level]
254 202 245 160 [level]
LK202-25
Length
01010000
1
Binary
0
Description
Sets the data lock level
Setting and Command Lock
Description
Should be left 0
When this bit is set (1) the
Baud Rate and I
address are locked
When this bit is set (1)
the display settings such
as backlight, contrast and
GPO settings are locked.
(Internal EEPROM)
Should be left 0
When this bit is set (1) all
commands but commands
202/203 are locked. (cmd
lock)
When this bit is set (1) the
module is locked from dis-
playing any new informa-
tion. (text lock)
Description
Unlock
2
C Slave
45
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