目 录
摘 要 ..........................................................................................................................I
ABSTRACT ..................................................................................................................II
目 录 ............................................................................................................................I
第 1 章 绪 论..........................................................................................................1
1.1 课题研究的目的和意义...................................................................................1
1.2 语音计费显示系统简介...................................................................................1
1.3 国内外语音计费显示系统研制生产现状.......................................................2
1.3.1 国外语音计费显示系统研制生产现状.................................................2
1.3.2 国内语音计费显示系统研制生产现状.................................................2
1.4 本文的主要研究内容.......................................................................................3
第 2 章 系统硬件设计..............................................................................................4
2.1 微控制器...........................................................................................................4
2.1.1 微控制器的选型.....................................................................................4
2.1.2 ATmega16 单片机..................................................................................5
2.2 MAX232 通信串口芯片...................................................................................7
2.3 语音播报部分...................................................................................................7
2.4 供电电源电路设计...........................................................................................9
2.5 显示模块设计...................................................................................................9
2.6 数据存储芯片.................................................................................................10
2.7 本章小结.........................................................................................................11
第 3 章 语音计费显示系统接口电路设计..............................................................12
3.1 MAX232 与 ATmega16 接口电路设计.........................................................12
3.1.1 MAX232 与 ATmega16 接口电路的功能...........................................12
3.1.2 MAX232 与 ATmega16 接口电路设计...............................................12
3.1.3 MAX232 与 ATmega16 接口电路布线布局特点...............................13
3.2 ISD1760 语音芯片与 ATmega16 接口电路设计 .........................................13
3.2.1ISD1760 语音芯片与 ATmega16 接口电路的功能 ............................13
3.2.2ISD1760 语音芯片与 ATmega16 接口电路的设计 ............................13
3.3ATmega16 与 LCD1026 液晶显示器的接口电路设计.................................14
3.3.1 ATmega16 与 LCD1602 液晶显示器的接口电路的功能..................14
3.3.2 ATmega16 与 LCD1602 液晶显示器的接口电路设计......................14
3.4ATmega16 与 AT24C02 存储芯片的接口电路设计.....................................14
3.5 供电电源的接口电路设计.............................................................................15
3.6 本章小结.........................................................................................................15
第 4 章 系统软件设计..............................................................................................15
4.1 主控单元软件设计.........................................................................................15
4.2 显示界面设计.................................................................................................15
4.3 语音部分软件设计.........................................................................................15
4.4 本章小结.........................................................................................................15
第 5 章 结束语..........................................................................................................15
5.1 总结.................................................................................................................15
5.2 展望.................................................................................................................15
