30058 Parallax Inc, 30058 Datasheet - Page 52

• Manufacturer Part Number: 30058
• Description: SER LCD 4X20 W/KEYBRD INTERFACE
• Manufacturer: Parallax Inc

Specifications of 30058

• Interface: Serial
• Display Type: LCD - Monochrome
• Display Mode: Reflective
• Viewing Area: 82.20mm L x 18.20mm W
• Backlight: LED - White
• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Voltage Rating: 4.75 V to 5.25 V
• Operating Temperature Range: 0 C to + 50 C
• For Use With: 27963 - SOLUTIONS CUBED: MEMKEY
• Dot Size: -
• Dot Pitch: -
• Dot Pixels: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q2089249

11.4 Set and Save Data Lock
Matrix Orbital
Description
Remembered
Factory Default
Examples
different lock level, while sending a zero will unlock your display as the
NOTES
Always
0
Data lock, originally known as paranoia, allows you to lock the module
filesystem and module settings. Each bit corresponds corresponds to a
from displaying information, as well as enables the protection of the
Sending a new data lock level will override the previous data lock level.
Data lock levels may be combined.
0x00
0x50
Bit
0
1-4
5
6
7
8
Hex
Data Lock Level
Unlock
Reserved
Setting Lock
Command Lock
Display Lock
Dec
80
0
Reserved for graphical displays. (000000)
LK204-25
01010000
following tables explains:
Binary
0
Setting and Command Lock
Description
Sending a zero will cause
the display to unlock. (0)
These bits are used as place
holders and should not be
omitted. (0000)
Locks the display settings
such as backlight, contrast
and GPO settings. (10000)
Locks all commands but
the data lock command.
(1000000)
Locks the module from
displaying any new infor-
mation. (10000000)
Description
Unlock
48