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介绍一种基于FPGA的高速多路数据采集系统,描述该系统的主要构成及FPGA实现方法。该系统在硬件上采用了EP2C5T144C8器件,实现对高精度A/D转换器TLC549的控制、多路数据转换与存储等功能,软件上采用VHDL硬件描述语言实现。该系统具有速度快、可靠性高、结构简单、体积小等优点。将该系统可应用于农副产品加工过程中的质量监测数据采集,能有效推进农副产品加工过程中检测技术的速测化、智能化、动态化及便携化,为农副产品安全生产与消费提供有害残留物快速检测的技术支撑。
This paper introduces a high-speed multi-channel data acquisition system based on FPGA, describes the main components of the system and FPGA implementation methods. The system uses EP2C5T144C8 devices on the hardware to achieve high-precision A / D converter TLC549 control, multiplexing data storage and other functions, the software using VHDL hardware description language. The system has the advantages of fast speed, high reliability, simple structure, small size and so on. The system can be applied to the collection of quality monitoring data during the processing of agricultural and sideline products, which can effectively speed up the testing, intelligentization, dynamization and portability of the detection technologies in the processing of agricultural and sideline products, and provide harmful and harmful effects on the safe production and consumption of agricultural and sideline products Rapid detection of residues of technical support.