單片機(jī)編程實(shí)例____c語言____匯編

1、目 錄第一章 AT89S51 單片機(jī)實(shí)驗(yàn)及實(shí)踐系統(tǒng)板簡介┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅1第二章 Keil C 軟件使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅14第三章 AT89S51 單片機(jī)下載器軟件使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅25第四章 實(shí)驗(yàn)及實(shí)踐課題┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅281. 閃爍燈┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅282. 模擬開關(guān)燈┅┅┅┅┅┅┅┅┅

2、┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅313. 多路開關(guān)狀態(tài)指示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅334. 廣告燈的左移右移┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅375. 廣告燈（利用取表方式）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅406. 報(bào)警產(chǎn)生器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅437. I/O 并行口直接驅(qū)動(dòng) LED 顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅468. 按鍵識別方法之

3、一┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅499. 一鍵多功能按鍵識別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅5310. 00－99 計(jì)數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅5711. 00－59 秒計(jì)時(shí)器（利用軟件延時(shí)）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅6012. 可預(yù)置可逆 4 位計(jì)數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅6313. 動(dòng)態(tài)數(shù)碼顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅

4、┅┅6714. 4×4 矩陣式鍵盤識別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅7015. 定時(shí)計(jì)數(shù)器 T0 作定時(shí)應(yīng)用技術(shù)（一）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅7916. 定時(shí)計(jì)數(shù)器 T0 作定時(shí)應(yīng)用技術(shù)（二）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅8417. 99 秒馬表設(shè)計(jì)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅8918. “嘀、嘀、……”報(bào)警聲┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅9519. “叮咚”門鈴┅

5、┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅9920. 數(shù)字鐘（★）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅10521. 拉幕式數(shù)碼顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅11422. 電子琴┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅12123. 模擬計(jì)算器數(shù)字輸入及顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅13424. 8×8LED 點(diǎn)陣顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅

6、┅┅┅┅┅┅┅14125. 點(diǎn)陣 LED“0－9”數(shù)字顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅14626. 點(diǎn)陣式 LED 簡單圖形顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅15327. ADC0809 A/D 轉(zhuǎn)換器基本應(yīng)用技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅15728. 數(shù)字電壓表┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅16329. 兩點(diǎn)間溫度控制┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅167原理圖

7、如圖 1.2 所示：圖 1.23．三路可調(diào)電壓模塊 三路可調(diào)電壓模塊此模塊主要是用于提供 0－5V 之間的可變的模擬電壓值，即可以作為參考電壓源也可以作為模擬電壓信號。這三路是相互獨(dú)立的。分別對應(yīng)著由 VR1，VR2，VR3端口輸出。具體的電路原理圖如圖 1.3 所示：圖 1.34．電源模塊 電源模塊電源模塊為系統(tǒng)板上其它模塊提供＋5V 電源，電源輸入有兩種方式，一種為交直流電源從電源插座輸入，輸入的電壓要求，直流輸入應(yīng)大于 7.5V，