I2C总线是一种很通用的总线，具有简单、高效等特点，广泛应用在各种消费类电子产品及音视频设备上，在嵌入式系统的开发中也经常用到。

I2C bus is a universal bus, which is simple, efficiency and widely used in various electronic products and audio video devices, as well as in embedded system development.

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多媒体应用处理器简称MAP，是一种适用于便携式数字音视频设备的新型嵌入式应用处理器。

Multimedia application processor, in brief called MAP, is a new embedded application processor which is used in the area of portable digital AV equipment design.

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第二类是广播电视，广泛应用于音视频设备的测试。

The Second is broadcasting for audio and video test.

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