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Document Type: Tutorial
NI Supported: Yes
Publish Date: Sep 6, 2006

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1394-A or 1394-B

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1394-A is the IEEE designation for a standard, high performance serial bus. (It's also known as FireWire, a term trademarked by Apple Computer, which invented FireWire in 1989.) The 1394-A bus supports data rates of 100, 200 and 400 Mbits/s, and the 1394-B can support from 800 to 3200 Mbits/s. Like USB, 1394 enables plug-and-play configuration. In the consumer electronics world, FireWire is also known as iLink (used on Sony's Digital Camcorders).

FireWire is a frame-based architecture. It also supports isochronous modes, which permit the streaming of real time data.



Additional References

Related NI Products:

  • GPIB-1394 (Transforms the 1394 interface of a Computer to a GPIB controller interface)
  • VXI-1394

    International Standards:
  • IEEE Search for Firewire Documents: Returns hundreds of references
  • IEEE 1394-1995 Standard (Requires IEEE account to Access) This is the actual text of the Standard.
  • Outline of the IEEE 1394 Standard

    Helpful Web Sites:
  • Apple Computer's Firewire Web Site (Apple is the original inventor of Firewire)
  • Overview of Firewire from National Instruments

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