The implementing of each module is introduced in principle. Some key problems are discussed with emphasis, such as video signal storing, DSP boot loading, asynchronous serial interface extending etc.
原理性地介绍了各模块的实现方法，重点讨论了视频信号的存储、DSP程序的引导装载、异步串行通信接口的扩展等关键性问题。
The implementing of each module is introduced in principle. Some key problems are discussed with emphasis, such as video signal storing, DSP boot loading, asynchronous serial interface extending etc.
原理性地介绍了各模块的实现方法，重点讨论了视频信号的存储、DSP程序的引导装载、异步串行通信接口的扩展等关键性问题。
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