LK404-25 Matrix Orbital, LK404-25 Datasheet - Page 39

• Manufacturer Part Number: LK404-25
• Description: LCD Character Display Modules Yel/Grn Background Black Text
• Manufacturer: Matrix Orbital

Specifications of LK404-25

• Character Count X Line: 40 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Fluid Type: STN
• Background Color: Yellow / Green
• Backlight Type: LED Yellow
• Display Mode: Transflective

9.6 Set Debounce Time
9.7 Set Auto Repeat Mode
Matrix Orbital
Remembered
Syntax
Parameters
Description
Remembered
Default
Syntax
Parameters
No
This command sets the time between key press and key read. All key
types with the exception of latched piezo switches will ’bounce’ for a
varying time, depending on their physical characteristics. The [time]
value is in increments of 6.554ms. The default debounce time for the
module is 8 (about 52ms), which is adequate for most membrane
keypads.
Yes
8
Hexadecimal
Decimal
ASCII
Parameter
time
Hexadecimal
Decimal
ASCII
Parameter
mode
0xFE 0x55 [time]
254 85 [time]
254 “U” [time]
0xFE 0x7E [mode]
254 126 [mode]
254 “~” [mode]
LK404-25
Length
Length
1
1
Description
Debounce time in increments of
6.554ms (0 - 255).
Description
Auto Repeat Mode (0: Resend Key
, 1: Key Up/Down)
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