The Research of IEEE 1588 Interface Module Based on LXI Instrument

Wang Chun Zhu; Xin Zhang

doi:10.4028/www.scientific.net/AMR.846-847.848

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 846-847The Research of IEEE 1588 Interface Module Based...

The Research of IEEE 1588 Interface Module Based on LXI Instrument

Abstract:

LXI, which is generally recognized as the new generation of instrument bus technology, not only has developed rapidly in the field of test and measurement, but also has a vast potential for future development. At present, the LXI trigger requires the clock synchronization precision to reach a sub microsecond level or even higher one. Therefore, in order to meet this accuracy requirement, a scheme based on the embedded Linux and IEEE 1588 protocol is proposed in this paper on the basis of studying LXI so as to realize high accurate clock synchronization. This scheme acquires hardware timestamp by utilizing PHY chip DP83640 and realizes PTP hardware clock driving based on Linux. A synchronization test with Agilent B LXI trigger box under the current condition is conducted and about 100ns of synchronization precision can be reached when connected with cable directly. The result demonstrates the feasibility of the scheme and that the clock synchronization precision can reach a nanosecond level.

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Periodical:

Advanced Materials Research (Volumes 846-847)

Pages:

848-852

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.846-847.848

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Online since:

November 2013

Authors:

Wang Chun Zhu*, Xin Zhang

Keywords:

DP83640, Hardware Timestamp, IEEE 1588, Linux, LXI

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* - Corresponding Author

References

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