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Verification of IEEE 1588 in a system

Posted: 22 Aug 2011 ?? ?Print Version ?Bookmark and Share

Keywords:IEEE 1588? clock synchronization? Precision Time Protocol?

IEEE 1588 is the standard for a precision clock synchronization protocol used for networked measurement and control systems.

The standard defines a Precision Time Protocol (PTP) designed to synchronize real-time clocks in a distributed system. PTP is intended for local area networks using multicast communications, including Ethernet. With easy configuration and fast convergence between components, PTP has the targeted accuracy of microseconds (software implementation) and sub-microseconds (hardware implementation).

As an extension, Freescale defines a hardware interface, designed to synchronize external events in a distributed system, based on the IEEE 1588 precision clock.

This application note describes a procedure that is intended to allow users to validate the implementation of 1588-specific hardware in their system. Suitable as either a hardware unit test or as a diagnostic tool, this procedure provides verification of the 1588-specific hardware in a simple system environment.

View the PDF document for more information.

Originally published by Freescale Semiconductor Inc. at www.freescale.com as "Verification of the IEEE 1588 Interface".





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