基于80C196KC的串行数据采集及控制系统的设计  

Design of the Serial Data Sampling and Control System Based on 80C196KC

作　　者：何庆华[1] 吴宝明[1] 杜晓兰[1] 肖剑[1] 刘彦[1] 

机构地区：[1]第三军医大学附属大坪医院野战外科研究所五室,重庆400042

出　　处：《北京生物医学工程》2002年第1期30-32,70,共4页Beijing Biomedical Engineering

摘　　要：本文介绍了以单片机 80C196KC为核心构成串行数据采集及控制系统 ,该系统通过串行口与计算机通信 ,计算机可发指令给单片机实现系统控制 ,单片机实现数据采集 ,并将数据实时地传回计算机。系统利用单片机丰富的软硬件资源 ,可以实现采样、通讯、计算、脉冲计数等多种功能。实验表明 ,该方案是可行的 ,系统电路结构简单、功耗低 ,具有较高的性能价格比 ,特别适合基于计算机的便携式医学仪器的数据采集和系统控制。该系统已成功地应用于便携式多参数监护仪的开发。A multi-functions serial data sampling system based on 16-bit microprocessor 80C196KC is designed for computer based portable medical instrument.Using serial port communication,computer can send instructions to microprocessor to implement control,and microprocessor can send collected data to computer in real time,i.e.it can send sampled data to the computer and receive command from the computer.Analog signals in multi-channels are sampled by 80C196KC's built-in A/D converter and sent to the computer in real time.Using 80C196KC's built in hardware devices,the system can carry out multi-functions according to user's requirements,such as sampling,input/output,communications,calculations,recording digital pulse rate and so on.Experiments show that the design is feasible.Taking full advantage of 80C196KC,the system is of low power consumption,low cost and high stability.An example of its applications in a design of multi-signals portable monitor is presented in the paper.

关 键 词：单片机 数据采集 串行通讯 控制系统 设计 医学仪器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] R318.6[自动化与计算机技术—控制科学与工程]