目 录
1. 绪 论 ....................................................................................................................................1
1.1 课题研究的背景和意义 .....................................................................................................1
1.2 现今发展状况 .....................................................................................................................1
1.3 研究方法及内容 .................................................................................................................2
2. 系统设计原理 ......................................................................................................................3
2.1 设计要求 .............................................................................................................................3
2.2 系统设计框图 .....................................................................................................................3
3. 系统硬件设计 ......................................................................................................................5
3.1 系统供电电源设计 .............................................................................................................5
3.2 STC12C5A60S2 主控模块 ....................................................................................................6
3.3 数模转换电路设计 .............................................................................................................6
3.4 显示模块 .............................................................................................................................8
3.4.1 液晶显示屏简介 ..........................................................................................................8
3.4.2 LCD 引脚定义 ..............................................................................................................9
3.5 功率放大电路设计 ...........................................................................................................11
3.6 辅助电路设计 ...................................................................................................................11
4. 系统软件编程设计...........................................................................................................12
4.1 系统总体设计流程图 .......................................................................................................12
4.2 按键控制流程 ....................................................................................................................12
4.3 液晶显示流程 ...................................................................................................................14
4.4 DA 驱动和线性化调整 ......................................................................................................15
5. 系统的调试与分析...........................................................................................................16
5.1 系统的软件调试 ...............................................................................................................16
5.2 系统的硬件调试 ...............................................................................................................17
5.3 实验结果的分析 ...............................................................................................................19
论文小结.....................................................................................................................................20
