| LXI总线仪器时钟同步网络接口设计与实现 |
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| 引用本文： | 金建平,王厚军,戴志坚. LXI总线仪器时钟同步网络接口设计与实现[J]. 电子质量, 2010, 0(7): 37-39,45 |
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| 作者姓名： | 金建平 王厚军 戴志坚 |
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| 作者单位： | 电子科技大学,四川,成都,610054 |
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| 摘 要： | 新一代仪器总线LXI具有良好的同步性能,IEEE1588便是背后的关键技术。文章首先分析了IEEE1588的原理,然后提出FPGA硬件辅助实现的＂硬＋软＂设计方案。设计并实现LXI设备时钟同步接口电路和FPGA逻辑电路。测试结果表明,此方案可以使LXI设备间的同步精度小于200ns。
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| 关 键 词： | LXI 时钟同步 IEEE参照1588 DM9000E RTL8201 FPGA |
Design of LXI Instrumentation Synchronization Network Interface |
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| Jin Jian-ping,Wang Hou-jun,Dai Zhi-jian. Design of LXI Instrumentation Synchronization Network Interface[J]. Electronics Quality, 2010, 0(7): 37-39,45 |
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| Authors: | Jin Jian-ping Wang Hou-jun Dai Zhi-jian |
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| Affiliation: | (University of electronic science and technology of china,Sichuan Chengdu 610054) |
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| Abstract: | LXI is a new generation of instrument bus has precision clock synchronization performance.IEEE 1588 is one of its key technologies.The IEEE1588 principle is anlysised.And the＇hardsoft＇design based on FPGA hardware-assisted is used.The LXI instrumentation clock synchronization interface circuit and the FPGA logic designing is completed.The test result confirmed that this design enable the clock synchronization accuracy of LXI devices less then 200ns. |
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| Keywords: | LXI DM9000E RTL8201 FPGA |
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