VK202-25-VPT Matrix Orbital, VK202-25-VPT Datasheet - Page 36

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

Specifications of VK202-25-VPT

• 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: 9 V ~ 35 V
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -20°C ~ 70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Dots: -

8 Dallas 1-Wire
8.1 Introduction
readily communicate with up to thirty two 1-wire devices on a single bus. 1-wire communication is begun
by discovering the address of the device that you wish to communicate with. To do this you must send the
“Search for a 1-Wire Device’ command. After you have established the address of the device that you wish
to communicate with, you may begin a transaction with the device
8.2 Search for a 1-Wire Device
Matrix Orbital
Another convenient feature of the VK202-25 is that it provides a Dallas 1-wire interface in order to
Syntax
Parameters
Description
Remembered
Syntax
This command will set the startup state for the GPO on the next power
up. A value of one will cause the GPO to be off on the next startup
while a value of one will cause the GPO to be on.
NOTE This command does not affect the current state of the GPO.
Always
Hexadecimal
Decimal
Parameter
Num
state
Hexadecimal
Decimal
0xFE 0xC3 [Num] [state]
254 195 [Num] [state]
0xFE 0xC8 0x2
254 200 2
VK202-25
Length
1
1
Description
GPO number.
Startup state (0: Off, 1: On)
32