单片机系统课程设计成绩评定表目录1引言............................................................................................................................42方案设计....................................................................................................................51）方案选择...........................................................................................................52）方案设计框图...................................................................................................53）总体设计方案...................................................................................................63硬件电路设计............................................................................................................71）压力传感器检测电路........................................................................................72）单片机................................................................................................................73）显示部分............................................................................................................84）A/D转换部分....................................................................................................95）键盘部分............................................................................................................106）电磁继电器控制电路.......................................................................................117）时钟电路...........................................................................................................118）复位电路...........................................................................................................124软件设计..................................................................................................................一三1）显示部分子程序设计.....................................................................................一三1.LED显示子程序设计思路...........................................................................一三2.显示子程序流程图.......................................................................................一三2）A/D转换子程序设计......................................................................................141.A/D转换子程序设计思路...........................................................................142.A/D转换子程序流程...................................................................................143）键盘部分子程序设计......................................................................................一五1.键输入原理...................................................................................................一五2.键盘扫描工作原理及子程序流程图...........................................................164）软件总体设计..................................................................................................161.总体设计思路...............................................................................................172.片内RAM设置............................................................................................一八3.总体程序流程图...........................................................................................一八5系统调试......................................................................................................
