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.
提出了一种利用通用I/O口实现串行异步通讯的方法，该方法接口简单，程序实现方便，特别适合各种单片机应用系统。
Serial asynchronous communication can be realized through universal I/O interface. The simple connection and considerate programming aim at various SCM application systems.
应用推荐