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文章介绍了视频多路复用芯片MAX4 4 0的性能 ,详细说明了利用单片机 89C2 0 51控制的视频切换器的硬件电路设计和软件设计。
This paper introduces the performance of the video multiplexer chip MAX440 and details the hardware circuit design and software design of the video switcher which is controlled by the microcontroller 89C2 0 51.