ds18b20

This paper introduces DS18B20 hardware interface and software program in detail .

本文主要介绍了DS18B20的硬件连接及软件编程。

Digital sensor DS18B20 and its application in the system are also discussed in the paper .

讨论了数字传感器DS18B20在本系统中的应用。

One control function command instructs the DS18B20 to perform a temperature measurement .

一个控制功能命令指示DS18B20进行温度测量。

Application of the single wire bus device DS18B20 in the MCU system is also given .

给出了单总线器件DS18B20在单片机系统中的应用实例。

DS18B20 digital temperature testing procedures.DS18B20 digital temperature testing procedures .

DS18B20数字温度检测程序。

The paper introduced a multidrop temperature detecting and display system which was based on DS18B20 .

介绍一种基于DS18B20的多路温度检测显示系统。

Temperature sensor using single DS18B20 .

采用单线温度传感器DS18B20。

The system uses clock temperature chip DS18B20 , the attemperation and the design .

系统采用时钟温度芯片DS18B20，调节温度的及其设计。

Digital temperature sensor based on the thermometer DS18B20 design , the three digital display temperature , keep one decimal place .

基于数字温度传感器DS18B20的测温仪设计，三位数码管显示温度值，保留小数点后一位。

Point to point on DS18B20 temperature acquisition procedures temperature measurement range of-20 ~ 125C .

基于DS18B20的点对点温度采集程序，温度采集范围在-20~125C。

First of all papers outlined the DS18B20 temperature sensor development and basic principles of temperature sensors on the principles and characteristics .

论文概述了DS18B20温度传感器的发展及基本原理，介绍温度传感器的原理及特性。

This paper introduces the method of utilizing DS18B20 and DS12C887 to realize above mentioned functions in detail .

本文详细介绍了使用DS18B20和DS12C887两个芯片实现上述功能的具体方法。

The character and application in the granary temperature decting and controlling system of digital temperature sensor DS18B20 are introduced .

介绍了数字温度传感器DS18B20的特点、测温原理，及其在粮仓远程温度测控系统中的应用。

DS18B20 is the first in-depth understanding of and in accordance with the internal structure of DS18B20 to design hardware and software .

首先是对DS18B20的深入了解并根据DS18B20的内部结构特点来设计硬件电路和软件程序。

If the alarm search command is not applied to the DS18B20 , these registers may be used as general purpose user memory .

如果警报查寻命令没有被申请于DS18B20，这些记数器也许使用作为通用用户记忆。

In software , via byte command , multiple DS18B20 are operated in parallel , and the measured temperature is obtained by secondary processing .

软件上采用字节命令并行操作多个DS18B20，并对数据进行二次处理得到测量温度。

In recent years , DS18B20 ( DALLAS USA ), as a representative of the new digital temperature sensor with single bus , is widely used .

近年来，以美国DALLAS公司生产的DS18B20为代表的新型单总线数字式温度传感器得到广泛的应用。

The method of temperature measuring with DS18B20 is discussed and the correlative ASM subprograms applied in calorimeters are given .

介绍了DS18B20的温度测量原理，并结合其在热量表中的应用给出了相应的汇编子程序。

The temperature control system based on DS18B20 adopts C8051F020 and its external interface circuit to carry out the measurement control for direct current manostat power temperature .

基于DS18B20的温度控制系统，利用C8051F020及其外围接口电路对直流稳压电源温度进行测量控制。

The characteristics , principles and transaction sequence of 1-wire digital thermometer ( DS18B20 ) are introduced , which is produced by Dallas Crop .

介绍了Dallas公司的单总线数字温度传感器DS18B20的特性、工作原理及传输通讯协议。

The system hardware makeup , sensor 's stelliform connection topology configuration , realization method of DS18B20 automatic addressing and taxis are emphatically dissertated .

重点论述了系统硬件组成、传感器星型接线拓扑结构、DS18B20自动寻址和排序实现方法。

In the article we illuminate the hardware realization scheme of system , protocol of data transmit , I / O port and element of RS485 realizated by software , application of DS18B20 .

介绍该系统的硬件实现方案、数据传输协议、通用I/O端口及软件实现RS485数据收发的原理和DS18B20的应用。

The result of this measurement will be placed in the DS18B20 's scratch-pad memory , and may be read by issuing a memory function command which reads the contents of the scratchpad memory .

这次测量的结果在DS18B20暂存记忆体将安置，并且也许通过发出读暂存记忆体的内容的记忆函数指令读。

In system task design , we have realized the program of temperature data acquisition based on the DS18B20 ; We design the CAN bus communication program in detail which is suitable for the system by analyzing the technology feature of the CAN bus .

在系统任务设计中，完成的工作有：设计实现了基于DS18B20的温度数据采集程序；通过对CAN总线技术特点的分析，详细设计了适用于本系统的CAN总线通信程序。