单片机控制系统和微机系统之间通信的几个技术问题  

Several technical problems about communication between embedded microcontroller system and PC system

作　　者：李璇华[1] 唐晓泉[1] 黄益庄[1] 

机构地区：[1]清华大学电机工程与应用电子技术系,北京100084

出　　处：《电力自动化设备》2002年第4期42-44,共3页Electric Power Automation Equipment

摘　　要：为了解决多CPU结构单片机控制系统在调试模块通信方面的困难 ,提出了一整套实现单片机系统和微机系统之间串行通信的软、硬件设计方案。通过接口转换器实现双方电平转换 ,单片机使用中断方式控制通信 ,微机使用VB编程 ,并采用通信保护电路 ,大大增强了通信的可靠性 。In order to solve the difficulties in debugging the communication software among modules of the embedded microcontroller system with multi CPU structure,an integrated scheme of software and hardware design for realizing the serial communication between PC system and embedded microcontroller is presented.The interface converter is used for voltage level conversion,the interruption mode is used for communication control in the embedded microcontroller system,the VB is used for PC system programming,and the communication protection circuit is adopted.All these greatly enhance the reliability of communication and simplify the debugging procedure.

关 键 词：电力系统 单片机 控制系统 微机系统 通信 

分 类 号：TM73[电气工程—电力系统及自动化] TP368.1[自动化与计算机技术—计算机系统结构]