VK202-25-E Matrix Orbital, VK202-25-E Datasheet - Page 18

• Manufacturer Part Number: VK202-25-E
• Description: VFD ALPHA/NUM DISPLAY 20X2
• Manufacturer: Matrix Orbital
• Series: VK202-25r

Specifications of VK202-25-E

• 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
• Voltage - Supply: *
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Dots: -

2.7 Keypad Interface Connector
keypad to be directly connected to the display module. Key presses are generated when a short is detected
between a row and a column. When a key press is generated a character, which is associated with the
particular key press, is automatically sent on the Tx communication line. If the display module is running
in I
in the buffer so that they may be polled. The character that is associated with each key press may also be
altered using the “Assign Key Codes” command, for more detailed information see the Keypad Section, on
page 34.
Matrix Orbital
2
The VK202-25 provides a Keypad Interface Connector which allows for up to a five by five matrix style
C mode, the “Auto Transmit Keypress” function may be turned off, to allow the key presses to remain
NOTE The display module will revert back to the old settings once turned off, unless the
settings are saved.
Brightness
Baud Rate
I
Data Lock
RS232AutoTransmitData
2
Figure 22: Manual Override Jumper
C Slave Address
Table 2: Default Values
VK202-25
19.2 kbps
False
0x03
0x50
True
14