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介绍了一个基于PCI总线的RS422并行帧捕获卡。该卡用于X-ScanX射线线阵列探测器高速14bit图像数据的获取。简要叙述了X射线线阵列探测器的输出以及基于PCI总线的数据获取理论和方法,并介绍了所采用芯片的性能及应用、卡的硬件设计思想和结构以及软件设计。
Introduced a PCI bus-based RS422 parallel frame capture card. The card for X-ScanX ray detector array high-speed 14bit image data acquisition. The output of X-ray array detector and the theory and method of data acquisition based on PCI bus are briefly introduced. The performance and application of the chip, the hardware design idea and structure of the card and the software design are introduced.