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.
该通用通讯程序能够封装多种底层协议，为上层应用提供统一的调用接口，方便使用。
This program can encapsulate some system protocol, provide up-application with uniform interface, be easily used.
本文给出了结合现行数控系统通用规范而自行开发设计的数控系统控制程序、通讯接口及硬件电路。
In this text, the NC system control program, communication interface and circuit diagram designed by self are released, which combine with CNC ISO standard.
本文给出了结合现行数控系统通用规范而自行开发设计的数控系统控制程序、通讯接口及硬件电路。
In this text, the NC system control program, communication interface and circuit diagram designed by self are released, which combine with CNC ISO standard.
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