AT89S51實(shí)例教程
包括35個(gè)完整案例，每個(gè)案例都有詳細(xì)設(shè)計(jì)圖紙，推薦下載參考！



目　錄


第一章 AT89S51單片機(jī)實(shí)驗(yàn)及實(shí)踐系統(tǒng)板簡(jiǎn)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┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅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(bào)警產(chǎn)生器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅43
7. I/O并行口直接驅(qū)動(dòng)LED顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅46
8. 按鍵識(shí)別方法之一┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅49
9. 一鍵多功能按鍵識(shí)別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅53
10. 00－99計(jì)數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅57
11. 00－59秒計(jì)時(shí)器（利用軟件延時(shí)）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅60
12. 可預(yù)置可逆4位計(jì)數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅63
13. 動(dòng)態(tài)數(shù)碼顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅67
14. 4×4矩陣式鍵盤識(shí)別技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅70
15. 定時(shí)計(jì)數(shù)器T0作定時(shí)應(yīng)用技術(shù)（一）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅79
16. 定時(shí)計(jì)數(shù)器T0作定時(shí)應(yīng)用技術(shù)（二）┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅84
17. 99秒馬表設(shè)計(jì)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅89
18. “嘀、嘀、……”報(bào)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(jì)算器數(shù)字輸入及顯示┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅134
24. 8×8LED點(diǎn)陣顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅141
25. 點(diǎn)陣LED“0－9”數(shù)字顯示技術(shù)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅146
26. 點(diǎn)陣式LED簡(jiǎn)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(diǎn)間溫度控制┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅167
30. 四位數(shù)數(shù)字溫度計(jì)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅172
31. 6位數(shù)顯頻率計(jì)數(shù)器┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅177
32. 電子密碼鎖設(shè)計(jì)┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅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(chǔ)器功能的數(shù)字溫度計(jì)－DS1624技術(shù)應(yīng)用┅┅┅┅┅┅┅┅┅┅199
35. DS18B20數(shù)字溫度計(jì)使用┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅211