ADuC7019/20/21/22/24/25/26/27/28/29
Rev. C | Page 2 of 95
目录
特性 ..................................................................................... 1
应用 ..................................................................................... 1
功能框图 .............................................................................. 1
修订历史 .............................................................................. 3
概述 ..................................................................................... 4
详细框图 .......................................................................... 5
技术规格 .............................................................................. 6
时序规格 .......................................................................... 9
绝对最大额定值 ................................................................. 16
ESD警告........................................................................ 16
引脚配置和功能描述 .......................................................... 17
ADuC7019/ADuC7020/ADuC7021/ADuC7022 ............. 17
ADuC7024/ADuC7025 .................................................. 20
ADuC7026/ADuC7027 .................................................. 23
ADuC7028..................................................................... 26
典型工作特性..................................................................... 30
术语 ................................................................................... 33
ADC技术规格 ................................................................ 33
DAC技术规格 ................................................................ 33
ARM7TDMI内核概览 ......................................................... 34
Thumb模式(T) ............................................................... 34
长乘 (M) ........................................................................ 34
嵌入式ICE (I) ............................................................... 34
异常 ............................................................................... 34
ARM寄存器.................................................................... 34
中断延迟 ........................................................................ 35
存储器结构 ........................................................................ 36
存储器访问 .................................................................... 36
Flash/EE存储器 ............................................................. 36
SRAM ............................................................................ 36
存储器映射寄存器.......................................................... 36
ADC电路概览 .................................................................... 40
传递函数 ........................................................................ 40
典型操作 ........................................................................ 41
MMR接口....................................................................... 41
转换器操作 .................................................................... 43
驱动模拟输入................................................................. 44
校准 ............................................................................... 45
温度传感器.....................................................................45
带隙基准电压 ................................................................. 45
非易失Flash/EE存储器 ......................................................46
编程 ...............................................................................46
安全性............................................................................47
Flash/EE控制接口..........................................................47
SRAM和Flash/EE访问时间............................................ 49
复位和重映射 ................................................................. 49
其他模拟外设 ..................................................................... 51
DAC ............................................................................... 51
电源监控器.....................................................................52
比较器............................................................................52
振荡器和锁相环—电源控制 ........................................... 53
数字外设 ............................................................................56
三相脉宽调制（PWM） .................................................56
PWM模块说明 ...............................................................57
通用输入/输出 ................................................................ 62
串口多路复用器 .............................................................64
UART串行接口 ..............................................................64
串行外设接口 ................................................................. 68
I
2
C兼容接口 ...................................................................70
可编程逻辑阵列(PLA) .................................................... 74
处理器基准外设 .................................................................77
中断系统 ........................................................................77
定时器............................................................................78
外部存储器接口 .............................................................82
硬件设计考虑 ..................................................................... 86
电源 ...............................................................................86
接地和电路板布局建议................................................... 87
时钟振荡器.....................................................................87
上电复位操作 ................................................................. 88
典型系统配置 ................................................................. 88
开发工具 ............................................................................89
基于PC工具 ...................................................................89
在线串行下载器 .............................................................89
外形尺寸 ............................................................................90
订购指南 ........................................................................92
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2011-10-14
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xdsgcg2011-10-27很不错的中文说明资料，aduc7019到7029的说明
