基于FPGA的高速PCI采集卡设计

Design of PCI High-speed Acquisition Board Based on FPGA

提出一种基于FPGA的高速PCI采集卡的设计方案,详细介绍了系统的硬件和软件结构,分析了FP-GA内部各个模块的功能和原理,并着重描述了PCI接口模块IP核的设计.通过将数据采集的控制模块和PCI接口模块集成在FPGA内部,加上采用双口RAM技术,实现了数据高速采集、传输和存储.该系统集成度高、设计灵活、电路简洁、可扩展性好、抗干扰能力强,适用于航空综合检测设备和智能仪器等高速数据采集场合.

A design proposal of PCI high-speed acquisition board based on FPGA is presented. Structure of system hardware and system software are introduced in detail,function and principle of each module in FPGA are analyzed,design of PCI interface IP core are mainly described. To realize the data high-speed acquisition,transmission and store,the control module of data acquisition and the PCI interface IP core are integrated into FPGA chip,and the double RAM is adopted. System has features as highly integrated,design flexible,circuit concise,good extensibility and high immunity,and it is applicable to high-speed data acquisition field such as avionics integrated test equipments intelligent instruments.