![](https://csdnimg.cn/release/download_crawler_static/88023459/bg5.jpg)
3.2.4 静态数据存储器 6264 的应用........................................................................24
3.2.5 译码器 74LS138 的应用 .................................................................................25
3.3 前向通道设计.............................................................................................................26
3.3.1 数据选通器 4052A 的应用.............................................................................26
3.3.2 运算放大电路..................................................................................................27
3.3.3 A/D 转换...........................................................................................................28
3.4 人机交互接口设计.....................................................................................................29
3.4.1 键盘电路设计..................................................................................................29
3.4.2 显示系统设计..................................................................................................32
3.5 后向通道设计.............................................................................................................36
3.5.1 D/A 转换...........................................................................................................36
3.5.2 V/I 转换.............................................................................................................37
3.6 通信接口设计.............................................................................................................38
3.6.1 通信接口标准的选择......................................................................................38
3.6.2 MAX485 芯片简介 ..........................................................................................39
3.6.3 MAX485 在智能调节器中的应用 ..................................................................39
3.6.4 单片机与 PC 机串行通信系统构成...............................................................40
3.7 电源设计.....................................................................................................................40
3.7.1 直流稳压电源的组成......................................................................................40
3.7.2 直流稳压电源的原理......................................................................................40
3.7.3 直流稳压电源的应用......................................................................................41
3.8 其它芯片的应用.........................................................................................................42
3.8.1 看门狗芯片 MAX705 的应用 ........................................................................42