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分析了PCI总线的功能、读写时序以及PCI专用接口芯片S5933的主要特点.在研制HDTV TS（高清晰度电视传输流）的输出与截取板卡时较深入地了解了PCI总线规范及其工作时序,使其能高速、可靠地与PC机协调工作.
This paper analyzes the function of PCI bus, read and write timing and the main features of PCI special interface chip S5933.It has a better understanding of the PCI bus specification and its work when developing the output and intercept board of HDTV TS (High Definition TV Transport Stream) Timing to enable high-speed, reliable work with the PC.