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为提高现有分析仪器的产品品质和设计效率,引入基于FPGA的分析仪器用数据采集系统。阐述了该数据采集系统的工作原理、基本结构和软硬件实现过程。由于FPGA的集成度高、I/O端口多、编程灵活等特点,该数据采集系统使用的器件数量少,而且不改动或较少改动就能在不同分析仪器中应用。可以认为,该数据采集系统具有减少投入,简化设计等优点。
In order to improve the product quality and design efficiency of the existing analytical instruments, a data acquisition system for analyzing instruments based on FPGA is introduced. The working principle, basic structure, hardware and software implementation process of the data acquisition system are expounded. Due to the high integration of FPGA, I / O ports and flexible programming, the data acquisition system uses a small number of devices, and can be applied in different analytical instruments without any change or less modification. It can be considered that the data acquisition system has the advantages of reducing input, simplifying design and the like.