精品文档---下载后可任意编辑单片机系统课 程 设 计成绩评定表1 概述..............................................................41.1 讨论背景....................................................41.2 设计思想及根本功能..........................................42 总体方案设计......................................................42.1 方案选取....................................................42.2 系统框图....................................................5 总体方案设计...................................................63 硬件电路设计......................................................63.1 电源电路....................................................63.2 晶振电路....................................................73.3 复位电路....................................................83.4 键盘电路....................................................93.5 显示电路...................................................103.6 电路分析...................................................144 系统软件设计.....................................................144.1 主程序软件设计.............................................144.2 键盘程序设计...............................................154.3 按键功能程序...............................................164.4 中断程序...................................................175 系统调试.........................................................196 实验总结.........................................................21精品文档，word 文档精品文档---下载后可任意编辑参考文献...........................................................22附录 1 系统原理图..................................................23附录 2 键盘示意图..................................................24附录 3 系统程序....................................................251 概述1.1 讨论背景随着科技的开展，人们对物质文明和精神文明需求的不断增长, 银行管理水平和形象要求也在不断提高。计算机不断更新和银行利率、汇率的不断变化, 以前那种靠手工写牌的时代己不适应现代的需...
