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Design of a High-Speed Data Acquisition Card Based on PCI Express Bus

Author: PanYuXia
Tutor: XiongJiJun；MaYouChun
School: University of North
Course: Circuits and Systems
Keywords: Speed ??data acquisition PCI Express bus PEX8311
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 271
Quote: 0
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Abstract


Data acquisition system is a modern aerospace acquisition memory is an important component of its performance has a direct impact on the overall system performance , while collecting large amounts of data into the computer how fast analysis and processing as a constraint to further improve system performance and system function to achieve an important part. In this context , this paper is designed based on the PCI Express bus speed data acquisition card . On PCI Express bus transmission system to achieve the principles and methods of in-depth study on the basis and considering the performance and cost and other factors, to determine with a dedicated bus protocol chip PEX8311 to design PCI Express bus interface, and FPGA control the entire circuit timing , so outset detailing PEX8311 internal functional modules directly from the transmission as well as its configuration registers. Hardware Implementation section details the data acquisition , PCI-E bus interface design, and PCB design , FPGA control logic makes the acquisition part and the transmission part can coordinate their work. PCI-E bus interface PCB design , the local interface timing logic and right PEX8311 configuration is the focus of this design and difficulty . Part of the software we use PLX provides software development kit PLX SDK, use PLXMON test platform for high-speed acquisition card sustained transfer performance testing. The design is based on the X1 PCI Express interface implementation , if the X16 interface design , RAID technology, acquisition card performance will be further improved. Meanwhile, in view of the FPGA used as a local logic controller, so capture card has great versatility and flexibility , can be widely applied to other high-speed data acquisition, signal processing and other occasions.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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