• on Education & Information
  • Published in issue 10/2000 on page 0
About the article

The Universal Serial Bus (USB) (2)

Transfers and Drivers

The Universal Serial Bus (USB) (2)
In the first part of this article we looked at the electrical characteristics of the USB standard. In this part we investigate the software and protocols used with this interface. Also included is a practical programming example.When any new device is first plugged in to the USB connector, it will signal its presence to the hub by pulling up one of the two data wires of the USB cable. Next comes the following sequence of events: ...
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

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