设计报告 I 目录 1.功能描述 ........................................................................................................................................1 2.方案设计 ........................................................................................................................................1 2.1 系统分析..............................................................................................................................1 2.2 器件选择..............................................................................................................................1 2.2.1 微处理器 ...................................................................................................................1 2.2.2 显示器.......................................................................................................................2 2.2.3 按键 ..........................................................................................................................2 3.硬件电路设计 .................................................................................................................................2 3.1 最小系统设计.......................................................................................................................2 3.2 显示电路设计.......................................................................................................................3 3.3 按键电路设计.......................................................................................................................3 3.4报警LED灯电路设计 .............................................................................................................4 3.5 电源电路设计.......................................................................................................................4 3.6 下载电路设计.......................................................................................................................4 4.软件...
