摘要
介绍温度传感器芯片DS18B20内部结构和工作原理,并说明了该芯片用于实时数据存储的作用,给出对DS18B20接口芯片与单片机的连接以及软件设计方法,基于DS18B20所设计的监测系统在应用中具有实时性好、测量精度高的特点。
The internal structure and principle of temperature sensor DS18B20 are introduced in this paper. And the chip can be used to finish data store in time. The method of the hardware connection between single-chip and DS18B20 and software design method are given. The application of the system shows that it has the characteristics of well real-time and high precision.
出处
《仪表技术》
2008年第8期3-4,共2页
Instrumentation Technology
