摘要
本文介绍了作者开发的以单片机89C51为核心的XHT120测温仪表的设计方法.给出了该仪表的硬件结构及详细说明,重点介绍了监控程序中的温度线性修正方法和数字调校方法。仪表具有优良的性能价格比,实际应用表明该仪表具有稳定性好、精度高、抗干扰能力强等优点。
Abstract The paper introduces the design method of the XMT120 temperature instrument developed by authors based on the 89C51 single chip microcomputer. The instrument hardware structure and its specification are given . The methods of temperature linear correcting and digit adjustment in the monitoring program are emphatically described. The actual operating results show that it possesses excellent cost performance , high precision, good stability and strong anti ?interference.
关键词
单片机
串行E^2PROM
温度
智能仪表
Key words Single chip microcomputer Serial E2PROM Temperature Intellinent instrument