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介绍了I~2C总线以及I~2C接口音视频矩阵芯片MAX4548的基本原理、3路4X2音视频矩阵的设计方案,具有功耗低,控制简单,占用系统资源少等优点并已成功实现。
This paper introduces the basic principle of I ~ 2C bus and I ~ 2C interface audio and video matrix chip MAX4548, and the design scheme of 3 channels 4X2 audio and video matrix. It has the advantages of low power consumption, simple control and less system resources.