基于51單片機八路搶答器的設計

1、中國礦業(yè)大學成人教育學院中國礦業(yè)大學成人教育學院20172017屆畢業(yè)設計（論文）屆畢業(yè)設計（論文）畢業(yè)設計（論文）題目：基于基于51單片機的搶答器系統(tǒng)設計單片機的搶答器系統(tǒng)設計函授站點：函授站點：中國礦業(yè)大學繼續(xù)教育學院中國礦業(yè)大學繼續(xù)教育學院學習層次：學習層次：?？茖？瓢嗉壝Q：班級名稱：徐工技師學院徐工技師學院函機電函機電2015班姓名：姓名：彭乾坤彭乾坤學號：學號：中國礦業(yè)大學繼續(xù)教育學院20年月日中國礦業(yè)大學成人教育學院中國礦

2、業(yè)大學成人教育學院20172017屆畢業(yè)設計（論文）屆畢業(yè)設計（論文）目錄前言....................................................................................................................................................1第一章工作原理.........................

3、.......................................................................................................21.1設計目標.............................................................................................................

4、....................21.1.1基本功能.....................................................................................................................21.1.2主要技術(shù)參數(shù).............................................................

5、................................................2第二章硬件設計與原理....................................................................................................................32.1總設計框圖....................................

6、........................................................................................32.2硬件設計分析........................................................................................................................32

7、.2.1電源的設計................................................................................................................32.2.2單片機最小系統(tǒng)......................................................................................

8、..................42.2.3數(shù)碼管顯示電路......................................................................................................102.2.4按鍵輸入電路..........................................................................

9、................................112.2.5報警與指示電路......................................................................................................14第三章軟件設計與分析............................................................

10、......................................................153.1軟件設計的組成..................................................................................................................153.2各部分軟件分析............................

11、....................................................................................153.2.1延時子函數(shù)............................................................................................................153.2.2初始化子函數(shù)...

12、.....................................................................................................153.2.3開始鍵掃描子函數(shù)................................................................................................163.2.4選

13、手搶答按鍵掃描子函數(shù)....................................................................................173.2.5顯示子函數(shù)............................................................................................................203.2.

14、6調(diào)整時間鍵掃描子函數(shù)........................................................................................243.2.7定時器0中斷子函數(shù)............................................................................................263.2.8定時器1中斷

15、子函數(shù)............................................................................................273.2.9主函數(shù)...................................................................................................................

16、.283.3總源程序............................................................................................................................30第四章軟件仿真.............................................................................

17、.................................................464.1PROTEUS簡介.......................................................................................................................464.2仿真圖..............................

18、.....................................................................................................484.3原理圖...............................................................................................................