基于DS1990A的智能诊断仪电子标签模块的设计与实现

Design and realization of Intelligent diagnosis Instrument's electronic label module based on ibutton DS1990A

介绍了iButton DS1990A的性能特点,以及以AT89S52为主控芯片、DS1990A为从机的电子标签模块的硬件、软件设计方法。该模块通过RS232通讯协议与智能诊断仪进行数据传输。该模块硬件结构简单,工作可靠,已成功应用于智能诊断仪中。

It introduced the performance and characteristic of iButton DS1990A, hardware and software design means of the electronic label module which adopted AT89S52 as master and DS1990A as slave.This module communicated with intelligent instrument through RS-232. Its hardware framework was simple, and held steady, The module has been successfully applied in the intelligent diagnosis instrument.