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基于單片機(jī)的數(shù)字溫度計(jì)設(shè)計(jì)_課程設(shè)計(jì)仿真c程序-展示頁(yè)

2025-01-27 14:26本頁(yè)面
  

【正文】 Abstract:The monolithic integrated circuit has the volume small, the power loss low, the control function strong, the expansion nimble, merits and so on microminiaturization and easy to operate, widely applies in the instrument measuring appliance, the union different type sensor, may realize such as physical quantity and so on voltage, power, frequency, humidity, temperature, current capacity, speed, thickness, angle, length, degree of hardness, element, pressure curriculum design was in studies in the monolithic integrated circuit basic principle to carry on, the prehensive utilization studied the monolithic integrated circuit knowledge to plete a monolithic integrated circuit application system design.This article mainly introduced based on the 89S52 monolithic integrated circuit temperature measurement system, in detail described the use numeral temperature sensor DS18B20 development temperature measurement system process, key to the sensor under monolithic integrated circuit hardware connection, the software programming as well as various modules system flow has carried on the exhaustive analysis, 11 has also carried on the introduction to various part of electric circuits, This system may facilitate realization temperature gathering and the demonstration, and may according to need to establish the bound to report to the police willfully the temperature, it uses quite conveniently, has the precision high, the measuring range width, the sensitivity high, the volume small, the power loss low status merit, suits in our daily life and the labor, the agricultural production temperature survey, also may treat as the temperature processing module to insert in other systems, takes other host system the assistance and STC89C52 the union realization most Jan temperature examination system, this system structure is simple, antijamming ability, suits under the adverse circumstance carries on the scene temperature survey, has the widespread application prospect.This design first determines the goal, after that is each function module design and the corresponding procedure pilation, again carries on the simulation on the Proteus software, several passes through the pilation, the revision, the panel carries on the examination in the monolithic integrated circuit development, the process observation experiment phenomenon and the result, this design meets the design requirements.Key words: Monolithic integrated circuit。本設(shè)計(jì)首先是確定目標(biāo),其后是各個(gè)功能模塊的設(shè)計(jì)和相應(yīng)程序的編寫,再在Proteus軟件上進(jìn)行仿真,幾經(jīng)編寫,修改,仿真。本文主要介紹了一個(gè)基于STC89C52單片機(jī)的測(cè)溫系統(tǒng),詳細(xì)描述了利用數(shù)字溫度傳感器DS18B20開發(fā)測(cè)溫系統(tǒng)的過程,重點(diǎn)對(duì)傳感器在單片機(jī)下的硬件連接,軟件編程以及各模塊系統(tǒng)流程進(jìn)行了詳盡分析,對(duì)各部分的電路也一一進(jìn)行了介紹,該系統(tǒng)可以方便的實(shí)現(xiàn)溫度采集和顯示,并可根據(jù)需要任意設(shè)定上下限報(bào)警溫度,它使用起來相當(dāng)方便,具有精度高、量程寬、靈敏度高、體積小、功耗低等優(yōu)點(diǎn),適合于我們?nèi)粘I詈凸ぁ⑥r(nóng)業(yè)生產(chǎn)中的溫度測(cè)量,也可以當(dāng)作溫度處理模塊嵌入其它系統(tǒng)中,作為其他主系統(tǒng)的輔助擴(kuò)展。摘要:單片機(jī)具有體積小、功耗低、控制功能強(qiáng)、擴(kuò)展靈活、微型化和使用方便等優(yōu)點(diǎn),廣泛應(yīng)用于儀器儀表中,結(jié)合不同類型的傳感器,可實(shí)現(xiàn)諸如電壓、功率、頻率、濕度、溫度、流量、速度、厚度、角度、長(zhǎng)度、硬度、元素、壓力等物理量的測(cè)量。INTEL的Z80是最早按照這種思想設(shè)計(jì)出的處理器,從此以后,單片機(jī)和專用處理器的發(fā)展便分道揚(yáng)鑣。單片機(jī)由芯片內(nèi)僅有CPU的專用處理器發(fā)展而來。單片機(jī)是一種集成在電路芯片,是采用超大規(guī)模集成電路技術(shù)把具有數(shù)據(jù)處理能力的中央處理器CPU隨機(jī)存儲(chǔ)器RAM、只讀存儲(chǔ)器ROM、多種I/O口和中斷系統(tǒng)、定時(shí)器/計(jì)時(shí)器等功能(可能還包括顯示驅(qū)動(dòng)電路、脈寬調(diào)制電路、模擬多路轉(zhuǎn)換器、A/D轉(zhuǎn)換器等電路)集成到一塊硅片上構(gòu)成的一個(gè)小而完善的計(jì)算機(jī)系統(tǒng)。另一分支是為控制器( Micro Controller Unit),俗稱單片機(jī)。前言科技發(fā)展到今天,人們的生活中涌現(xiàn)出各種各樣的科技產(chǎn)品,各種各樣的電子產(chǎn)品更是花樣百出、遍及人們生活中的每一部分,現(xiàn)在人們更是感覺到了科技給人們帶來的巨大發(fā)展,科學(xué)技術(shù)作為第一生產(chǎn)力在人類社會(huì)的發(fā)展中起了很大的推動(dòng)作用,人類從原始向先進(jìn)的發(fā)展都伴隨著科學(xué)的發(fā)展。當(dāng)今微型計(jì)算機(jī)技術(shù)發(fā)展形成兩大分支,一是以微處理器(Micro Processor Unit)為核心所構(gòu)成的通用微機(jī)系統(tǒng),主要用于科學(xué)計(jì)算、數(shù)據(jù)處理、圖形圖像處理、數(shù)據(jù)庫(kù)管理、人工智能、數(shù)字模擬與仿真等領(lǐng)域。單片機(jī)主要用于工業(yè)測(cè)控,如家用電器、計(jì)算機(jī)外圍設(shè)備、工業(yè)智能化儀表、機(jī)器人、生產(chǎn)過程的自動(dòng)控制、農(nóng)業(yè)、化工、軍事、航空航天等領(lǐng)域。單片機(jī)也被稱為微控制器(Microcontroller Unit),常用英文字母的縮寫MCU表示單片機(jī),它最早是被用在工業(yè)控制領(lǐng)域。最早的設(shè)計(jì)理念是通過將大量外圍設(shè)備和CPU集成在一個(gè)芯片中,使計(jì)算機(jī)系統(tǒng)更小,更容易集成進(jìn)復(fù)雜的而對(duì)體積要求嚴(yán)格的控制設(shè)備當(dāng)中。隨著時(shí)代的進(jìn)步和發(fā)展,單片機(jī)技術(shù)已經(jīng)普及到我們生活、工作、科研、各個(gè)領(lǐng)域,已經(jīng)成為一種比較成熟的技術(shù)。本課程設(shè)計(jì)是在學(xué)習(xí)了單片機(jī)的基本原理上進(jìn)行的,綜合利用所學(xué)單片機(jī)知識(shí)完成一個(gè)單片機(jī)應(yīng)用系統(tǒng)設(shè)計(jì)。DS18B20與STC89C52結(jié)合實(shí)現(xiàn)最簡(jiǎn)溫度檢測(cè)系統(tǒng),該系統(tǒng)結(jié)構(gòu)簡(jiǎn)單,抗干擾能力強(qiáng),適合于惡劣環(huán)境下進(jìn)行現(xiàn)場(chǎng)溫度測(cè)量,有廣泛的應(yīng)用前景。最后在單片機(jī)開發(fā)板上進(jìn)行檢測(cè),經(jīng)過觀測(cè)實(shí)驗(yàn)現(xiàn)象與結(jié)果,本設(shè)計(jì)達(dá)到設(shè)計(jì)要求。 Digital thermometer。 DS18B20。目錄前言 1 摘要 2 關(guān)鍵字 2 一 緒論 5 5 6 6 7 二 數(shù)字溫度計(jì)方案設(shè)計(jì) 8 設(shè)計(jì)目的 8 設(shè)計(jì)思路 8 9 方案一 9 10 方案三 10 10 三 系統(tǒng)的硬件設(shè)計(jì) 10 11 12 15 DS18B20溫度傳感器與單片機(jī)的接口電路 18 19 20 四 系統(tǒng)的軟件設(shè)計(jì) 21 主程序 21 讀出溫度子程序 22 22 計(jì)算溫度子程序 22 顯示數(shù)據(jù)刷新子程序 22 23 1602液晶顯示 23 五 系統(tǒng)的測(cè)試 24 測(cè)試的意義 24 測(cè)試過程 24 六 總結(jié) 28 設(shè)計(jì)總結(jié) 28 28 七 參考文獻(xiàn) 29 附錄1 原理圖 29 附錄2 源程序清單 30 一 緒論當(dāng)今在全世界范圍內(nèi),已經(jīng)形成了以計(jì)算機(jī)(Computer)通信(Communication)和消費(fèi)類電子(Consumptive Electron)三足鼎立的發(fā)展新格局[1],而我作為做21世紀(jì)的工科大學(xué)生,而我們又是學(xué)的電子這門專業(yè),無論是從事科學(xué)研究工作,還是開辦電子電器制造企業(yè),抑或是經(jīng)營(yíng)電子元器件貿(mào)易,不僅要熟練地使用通用微機(jī)進(jìn)行各種數(shù)據(jù)處理,還要把計(jì)算機(jī)技術(shù)運(yùn)用到本專業(yè)領(lǐng)域或相關(guān)領(lǐng)域,即具有“開發(fā)”能力。 單片機(jī)是一種集成電路芯
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