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Does USB support virtual device?

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Discussion in 'Electrical Engineering' started by Riley DeWiley, Dec 10, 2005.

Dec 10, 2005 #1

Riley DeWiley Guest

I wish to design a device that talks to a PC over one (1) USB cable but has
2 (two) separately addressable data streams of two different types.

Does the USB standard support this?

RDeW
Dec 10, 2005 #2

John Gilmer Guest

Riley DeWiley said:

I wish to design a device that talks to a PC over one (1) USB cable but has
2 (two) separately addressable data streams of two different types.

Does the USB standard support this?
Click to expand...

Logically, you can accomplish the same thing by getting a gadget that takes
one USB connect and makes it into 4 connections. Since this is routinely
done, the answer is YES.
Dec 10, 2005 #3

Paul Hovnanian P.E. Guest

Riley said:

I wish to design a device that talks to a PC over one (1) USB cable but has
2 (two) separately addressable data streams of two different types.

Does the USB standard support this?
Click to expand...

It should work. A USB hub can multiplex a number of devices onto a
single USB bus. Your device would look like a hub with two USB devices
attached.

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