AT89S51實例教程
包括35個完整案例，每個案例都有詳細設(shè)計圖紙，推薦下載參考！



目　錄


第一章 AT89S51單片機實驗及實踐系統(tǒng)板簡介┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅1
第二章　Keil C軟件使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅14
第三章　AT89S51單片機下載器軟件使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅25
第四章　實驗及實踐課題┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅28
1. 閃爍燈┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅28
2. 模擬開關(guān)燈┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅31
3. 多路開關(guān)狀態(tài)指示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅33
4. 廣告燈的左移右移┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅37
5. 廣告燈（利用取表方式）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅40
6. 報警產(chǎn)生器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅43
7. I/O并行口直接驅(qū)動LED顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅46
8. 按鍵識別方法之一┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅49
9. 一鍵多功能按鍵識別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅53
10. 00－99計數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅57
11. 00－59秒計時器（利用軟件延時）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅60
12. 可預(yù)置可逆4位計數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅63
13. 動態(tài)數(shù)碼顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅67
14. 4×4矩陣式鍵盤識別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅70
15. 定時計數(shù)器T0作定時應(yīng)用技術(shù)（一）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅79
16. 定時計數(shù)器T0作定時應(yīng)用技術(shù)（二）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅84
17. 99秒馬表設(shè)計┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅89
18. “嘀、嘀、……”報警聲┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅95
19. “叮咚”門鈴┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅99
20. 數(shù)字鐘（★）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅105
21. 拉幕式數(shù)碼顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅114
22. 電子琴┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅121
23. 模擬計算器數(shù)字輸入及顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅134
24. 8×8LED點陣顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅141
25. 點陣LED“0－9”數(shù)字顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅146
26. 點陣式LED簡單圖形顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅153
27. ADC0809 A/D轉(zhuǎn)換器基本應(yīng)用技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅157
28. 數(shù)字電壓表┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅163
29. 兩點間溫度控制┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅167
30. 四位數(shù)數(shù)字溫度計┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅172
31. 6位數(shù)顯頻率計數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅177
32. 電子密碼鎖設(shè)計┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅180
33. 4×4鍵盤及8位數(shù)碼管顯示構(gòu)成的電子密碼鎖┅┅┅┅┅┅┅┅┅┅┅186
34. 帶有存儲器功能的數(shù)字溫度計－DS1624技術(shù)應(yīng)用┅┅┅┅┅┅┅┅┅┅199
35. DS18B20數(shù)字溫度計使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅211