(3) 异步串行通信接口模块(Serial Communication Interface，SCI)：实现诸 如RS-232、RS-485等能使用异步串行通信规程的通信，主要用于和其他计算机的数 据传...
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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.
该接口卡FPGA芯片内部VHDL程序含：ISA总线与FPGA接口、串行异步通信发送及接收模块。
The VHDL program embedded in the FPGA chip includes: interface combine ISA bus and FPGA, serial asynchronous communication module for transmitting and receiving.
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