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Controller area network physical layer requirements

Posted: 04 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:controller area network? physical layer? PHY requirements?

The multipoint bus structure and robust protocol of the High-Speed Controller Area Network (CAN), ISO 11898:1993, is finding widespread use in building automation, process control and other industries. This application note provides the reader with the fundamentals of CAN technology, then focuses on the physical layer requirements.

The main advantage of CAN over alternative networks is the low development cost. CAN controller and interface cost are as low as legacy data transmission products and are available off-the-shelf from leading semiconductor manufacturers. There are many CAN-related system development packages, hardware interface cards and software packages that provide system designers with a wide range of design and diagnostic tools. These components provide for the development of complex control applications without having to build each node of a system network.

View the PDF document for more information.

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