VK202-25 Matrix Orbital, VK202-25 Datasheet - Page 28

• Manufacturer Part Number: VK202-25
• Description: VFD ALPHA/NUM DISPL 20X2 SER/I2C
• Manufacturer: Matrix Orbital
• Series: VK202-25r

Specifications of VK202-25

• Outline L X W X H: 116.00mm x 37.00mm x 29.48mm
• Viewing Area: 89.75mm L x 11.50mm W
• Display Format: 20 x 2
• Display Type: Character
• Format: 5 x 7 Dots
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -20°C ~ 70°C
• Product: Character Display Modules
• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 29.48 mm
• Operating Temperature Range: - 20 C to + 70 C
• Dot Format: 5 x 7
• Viewing Area (w X H): 89.75 mm x 11.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Number Of Dots: -
• Lead Free Status / Rohs Status: Details
• Other names: 635-1020

7.5 Keypad Interface Commands
Table 7-2 Keypad Interface Commands
VK202-25 rev. 05
Command
Underline cursor on
Underline cursor off
Block cursor on
Block cursor off
Cursor left
Cursor right
Command
Auto repeat mode on
Auto repeat mode off
Auto transmit key
presses on
Auto transmit key
presses off
Clear key buffer
Poll keypad
Set debounce time
Syntax
FE 4A
254 74
254 'J'
FE 4B
254 75
254 'K'
FE 53
254 83
254 'S'
FE 54
254 84
254 'T'
FE 4C
254 76
254 'L'
FE 4D
254 77
254 'M'
Syntax
FE 7E [0x00|0x01]
254 126 [0|1]
254 '~' [0|1]
FE 60
254 96
254 '`'
FE 41
254 65
254 'A'
FE 4F
254 79
254 'O'
FE 45
254 69
254 'E'
FE 26
254 38
254 '&'
FE 55 [time]
254 85 [time]
254 'U' [time]
Default
off
on
Default
off
off
on
off
n/a
n/a
52 ms
28
Notes
Turns on the underline cursor.
Turns off the underline cursor.
Turns on the blinking block cursor.
Turns off the blinking block cursor.
Moves the cursor one position to the left. If the
cursor is already at the beginning of a line it will
move to the end of the other line.
Moves the cursor one position to the right. If the
cursor is already at the end of a line it will move
to the beginning of the other line.
Notes
Applies to keypad only.
0x00 = 200 ms typematic,
0x01 = key down/key up codes sent.
Applies to keypad only.
Sets auto transmit mode for keypad. Key
presses are transmitted to host without polling.
Up to 10 key presses buffered until polled.
Clear unread key presses.
Returns buffered key presses to application.
Returns 0x00 if no key presses. High order bit
set unless this is the last/only key press.
Resolution: 1 = 0.6554 ms [time] is a numeric
multiplier.