基于DS18B20和TMS320VC5509A的温度测量显示系统  

The Temperature Measurement and Display System Based on DS18B20 and TMS320VCS509A

作　　者：郑文艺 谢青松[1,2] 罗凯[2] ZHENG Wen-yi, XIE Qing-song, LUO Kai （1. PLA Unit 61413, Xiangyang 441057, China; 2. Xi＇an Communication Institute, Xi＇an 710106, China）

机构地区：[1]61413部队,湖北襄阳441057 [2]西安通信学院,陕西西安710106

出　　处：《电脑知识与技术》2011年第12期8969-8970,共2页Computer Knowledge and Technology

摘　　要：针对单片机测温速度慢的不足，设计了采用DSl8820和TMs320vc5509A实现的温度测量显示系统。给出了系统的硬件连接图和软件实现流程，并且非常详细分析了如何用C语言实现比较精确的软件延时程序，从而满足单线总线协议的严格通信时序要求。A Temperature Measurement and Display System Based on DS18B20 and TMS320VC5509A is designed, aim at resolving tJ~e slow speed of Measuring Temperature by MCUo The hardware design and software implementation method are given, how to achieve accurate software delay by c language is analyzed detailedly, in order to satisfy the strict time sequence requirement of the 1-wire bus.

关 键 词：DS18B20 TMS320VC5509A 温度测量 软件精确延时 

分 类 号：TN925[电子电信—通信与信息系统;电子电信—信息与通信工程]