摘要
介绍了单总线技术的基本原理和基于单总线的蓄电池温度监测装置,给出了单片机与 DS18B20的接口电路及温度监测的软件程序,详细说明了单总线的软件设计技术,并给出用 C51编写的与单总线接口的几个关键函数。
This paper introduces the basic principle of 1-wire technology ,presentsa monitoring instrument for the temperature of battery based on 1-wire.It presents not only the interfacing ciruit between mcu and DS18B20 but also the program chaR.Introduces the soft design of I-wre in detail ,and presents several key interfacing functions edited by C51 program language.
出处
《电工技术》
2004年第11期39-41,共3页
Electric Engineering
