This paper concerns with the computer communication on telephone network,and describes its structure and hardware,and introduces asynchronous serial communication program technics, such as interruption architecture,flowing control and data buffer.
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- 本文叙述了利用现有电话网进行计算机数据通信的系统构成及硬件,介绍了异步串行通信程序设计中的中断机制、流量控制、数据缓冲等关键问题处理。