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基于MAX456的视频切换矩阵设计
引用本文:韩春梅. 基于MAX456的视频切换矩阵设计[J]. 电视技术, 2004, 0(3): 91-93
作者姓名:韩春梅
作者单位:同济大学,电子与信息工程系,上海,200331
摘    要:用MAX456作为视频切换器件,AT89C51单片机作为控制单元,设计了一种智能型的视频切换器,采用软件控制的方式。使其该视频可以实现实时、计时、分组等多种工作方式,给出了控制实例,并指出了硬件调试中需要注意的问题。

关 键 词:视频切换器  MAX456芯片  单片机
文章编号:1002-8692(2004)03-0091-03
修稿时间:2003-10-16

Design of a Video Switch Matrix Based on MAX456
HAN Chun-mei. Design of a Video Switch Matrix Based on MAX456[J]. Ideo Engineering, 2004, 0(3): 91-93
Authors:HAN Chun-mei
Abstract:A novel intelligent video switching matrix is designed by using MAX456 as the switching circuit and by using AT89C51 as the control unit. By means of oftware control, the video switching matrix can work in many modes such as real-time, time-lapse and group control. Finally, application example is given and the main issues that need to be considered in hardware debugging are pointed out.
Keywords:video switcher  MAX456  single-chip microcomputer
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