推荐回答（3个）
我有一个，有完整的仿真的资料
可以仿真调试。
联系470000364
目 录
第1章 绪论 1
1.1 课题背景 1
1.2 课题意义 1
1.3 数字钟的应用 2
1.4 本章小结 2
第2章 整体设计方案 3
2.1 单片机的选择 3
2.2 单片机的基本结构 5
2.3 本章小结 6
第3章 数字钟的硬件设计 7
3.1 最小系统设计 7
3.2 数字钟的外围电路设计 9
3.2.1 时钟电路 9
3.2.2 LCD显示电路 11
3.2.3 语音录放电路 13
3.2.4 电源电路 13
3.2.5 相关控制电路 14
3.3 本章小结 16
第4章 数字钟的软件设计 17
4.1 系统软件设计内容 17
4.2 主程序 18
4.3 时钟设置子程序 20
4.4 中断子程序 23
4.5 LCD显示子程序 24
4.3 本章小结 24
第5章 调试与功能说明 26
5.1 硬件调试 26
5.2 系统性能测试与功能说明 28
5.2.1 系统时钟误差分析 28
5.2.2 软件调试问题及解决 29
5.3 系统PCB图 30
5.4 本章小节 30
结论 31
致谢 32
参考文献 33
附录1 34
附录2 35
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