目录
第一章 系统总体方案选择和说明..................................7
1.1 方案选择 .............................................................................................................................7
1.2 系统说明 .............................................................................................................................7
第二章 系统结构框图和工作原理 .....................................8
2.1 设计框架图 .........................................................................................................................8
2.2 工作原理 .............................................................................................................................9
第三章 各单元硬件设计说明及法计算方 ..............................10
3.1 主控芯片 80C51...............................................................................................................10
3.2 A/D 转换集成电路主芯片 0809 ...................................................................................12
3.3 集成气体传感器 TGS202 元件.......................................................................................13
3.4 地址锁存器主芯片 74LS373.........................................................................................14
3.5 单片机时钟电路 ..............................................................................................................16
3.6 复位电路 ..........................................................................................................................17
3.7 光报警系统 ......................................................................................................................18
3.8 单片机振荡电路 ..............................................................................................................19
第四章 软件设计 .................................................20
4.1 软件总体设计 ..................................................................................................................20
第六章 总结 ......................................................23
附件 1 (原理图) .........................................................................................................25
附录 2 参考文件 ....................................................................................................................31
评论0
最新资源