基于Virtex-6的PCI Express高速采集卡设计  

Design of PCI Express high-speed acquisition card base on Virtex-6

作　　者：许峰[1] 

机构地区：[1]中国航空工业集团公司洛阳电光设备研究所,河南洛阳471009

出　　处：《现代电子技术》2012年第16期79-81,85,共4页Modern Electronics Technique

摘　　要：为了提高数据采集速率,适应大数据量交互处理要求,介绍了一种应用Virtex-6芯片的PCI Express高速采集卡设计。Virtex-6内嵌PCIE协议硬核能完成完整的PCIE分层协议,实现与上位机通信。设计了DMA控制器,作为采集卡数据传输主控,实现基于PCI Express总线的DMA高速数据传输方案。主机软件系统包括驱动程序和应用软件2部分。经实验测试,该采集卡能完成对外部高速数据的实时采集,性能稳定可靠。A design of PCI Express high-speed data acquisition card was presented to improve the data transfer rate and to suitable for be the requirement of mass data interactive processing.The hardcore of Virtex-6 embedded PCIE protocol can fulfil the whole PCIE layering protocal and achieve the communication with upper computer.A DMA controller as a data transmission master-control unit of acquisition card was devised to complete the high-speed data transmission solution based on PCI Express bus.The software system of the host includes drivers and application software.The experiment result indicates that the acquisition card can perform real-time acquisition of infrared images stably and reliably.

关 键 词：数据采集 PCI EXPRESS FPGA DMA 

分 类 号：TN919-34[电子电信—通信与信息系统] TP334[电子电信—信息与通信工程]