目 录
前 言 ................................................................................................................................1
第 1 章 实验平台概述.................................................................................................2
1.1 设计题目.........................................................................................................2
1.2 系统设计目的和内容.....................................................................................2
1.2.1 设计目的 ..............................................................................................2
1.2.2 设计内容 ..............................................................................................2
1.2.3 设计要求 ..............................................................................................2
1.2.4 设计步骤 ..............................................................................................2
第 2 章 整体设计方案.................................................................................................3
2.1 开发板整体外观.............................................................................................3
2.2 整板电路 PROTUES 仿真电路.....................................................................3
2.3 软件功能描述.................................................................................................3
2.4 仿真软件 PROTUES 中的效果图.................................................................3
第 3 章 硬件电路设计.................................................................................................4
3.1 两位一体共阴数码管 .........................................................................................4
3.1.1 数码管概述 ..........................................................................................4
3.1.2 数码管内部结构 ..................................................................................4
3.1.3 两位一体共阴数码管和 74LS373 锁存器接口电路 .........................4
3.2 LCD1602 液晶................................................................................................4
3.2.1 LCD1602 液晶简介 .............................................................................4
3.2.2 LCD1602 液晶引脚介绍 .....................................................................4
3.2.3 LCD1602 液晶外围接口电路 .............................................................4
3.3 串口通信 ............................................................................................................4
3.3.1 串口通讯概述 ......................................................................................4
3.3.2 MAX232 接口电路..............................................................................4
第 4 章 软件设计.........................................................................................................5
4.1 程序整体流程图 .................................................................................................5
4.2 程序清单 .............................................................................................................5
第 5 章 调试及故障分析.............................................................................................6
5.1 焊接准备阶段元器件测试、电路原理图故障分析 ........................................6
5.2 电路焊接过程中的故障分析 ............................................................................6
5.3 程序编写过程中的故障分析 ............................................................................6
5.4 实物演示效果 ....................................................................................................6
结论 ..................................................................................................................................7
谢辞 ..................................................................................................................................8
参考文献 ..........................................................................................................................9
附 录 ............................................................................................................................10
