| 基于FPGA和USB2.0的高速数据采集系统 |
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| 引用本文： | 张俊涛,王豫莹.基于FPGA和USB2.0的高速数据采集系统[J].仪表技术与传感器,2011(10). |
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| 作者姓名： | 张俊涛 王豫莹 |
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| 作者单位： | 陕西科技大学电气与信息工程学院,陕西西安,710021 |
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| 摘 要： | 介绍一种由FPGA和EZ - USB FX2系列芯片CY7C68013搭建的基于USB2.O接口的高速数据采集系统,FPGA作为主控制器对A/D转换芯片及USB接口芯片进行控制,从而实现高速采样.设计了FPGA对A/D转换芯片ADS2807的控制与对USB从属FIFO写操作的实现.测试结果表明该系统具有数据传输准确、速度快等特点,系统所能达到稳定的最高传输速度为20M B/s,小巧、便携的设计特别适用于移动的作业现场.
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| 关 键 词： | 高速 数据采集 FPGA USB2.0 |
High-speed Data Acquisition System Based on FPGA and USB 2.0 |
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| ZHANG Jun-tao,WANG Yu-ying.High-speed Data Acquisition System Based on FPGA and USB 2.0[J].Instrument Technique and Sensor,2011(10). |
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| Authors: | ZHANG Jun-tao WANG Yu-ying |
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| Affiliation: | ZHANG Jun-tao,WANG Yu-ying(College of Electric and Information Engineering,Shaanxi University of Science and Technology,Xi'an 710021,China) |
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| Abstract: | This paper introduced the design and implementation of a high-speed data acquisition system,which was built by FPGA and EZ-USB FX2 USB2.0 chips.FPGA was used as the main controller to control the A/D converter and USB interface chip to achieve reliable high-speed sampling.The operation of FPGA controlling A/D chip ADS2807 and the realization of writing of USB subordination FIFO were studied.The experiment shows that the system is more reliable and the highest data transfers speed can be up to 20 MB/s.Beside... |
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| Keywords: | high-speed data acquisition FPGA USB 2 0 |
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