ADuC7023
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
修订历史................................................ ............................... 3
功能框图............................................... ............... 4
规格................................................. .................................... 5
时序规格................................................ .................. 8
绝对最大额定值............................................... ........... 13
ESD注意事项................................................ ................................ 13
引脚配置和功能说明......................... 14
典型性能特征........................................... 18
术语................................................. ................................... 19
ADC规格................................................ .................... 19
DAC规格................................................ ..................... 19
ARM7TDMI内核的概述............................................. 20
拇指模式（ T） ............................................. ........................... 20
长乘（M ） ............................................. ......................... 20
嵌入式ICE （我） .............................................. ......................... 20
例外情况................................................. .................................. 20
ARM寄存器................................................ ............................ 20
中断延迟................................................ ........................ 21
存储器结构................................................ ................... 22
内存访问................................................ ........................... 22
Flash / EE存储器.............................................. ......................... 22
SRAM ................................................. .......................................... 22
内存映像寄存器............................................... ........ 22
ADC电路概述............................................... ................... 29
传递函数................................................ ....................... 29
典型的操作................................................ ....................... 30
MMR接口................................................ ............................ 30
转换器操作................................................ .................. 33
驾驶模拟输入.............................................. .......... 34
校准................................................. .................................. 34
温度传感器................................................ ................... 34
带隙基准............................................... .................... 36
非易失性Flash / EE存储器............................................. ........ 37
编程................................................. ............................. 37
安全................................................. ....................................... 38
数据表
闪存/ EE控制接口............................................. .......... 38
从SRAM和Flash / EE ............................ 41执行时间
复位和重新映射............................................... ......................... 41
其他模拟外设............................................... ............... 44
DAC ................................................. ............................................. 44
电源监控............................................... ................ 46
比较................................................. ................................ 46
振荡器和PLL功耗控制........................................ 48
数字外设................................................ .......................... 51
通用输入/输出............................................ .... 51
串行外设接口............................................... .......... 54
I
2
C ..................................................................................................... 59
配置外部引脚我
2
C功能的................... 59
串行时钟发生器............................................... ............. 59
I
2
C总线地址............................................... ........................ 59
I
2
I2C寄存器................................................ ................................ 60
可编程逻辑阵列（ PLA） ........................................... 67
脉宽调制器.............................................. ................... 71
脉宽调制器的一般概述........................... 71
处理器参考外设............................................... .... 76
中断系统................................................ ......................... 76
IRQ ................................................. .............................................. 76
快速中断请求（ FIQ ） ............................................ ........ 77
向量中断控制器（ VIC ） ....................................... 78
定时器................................................. ......................................... 83
硬件设计注意事项............................................... .... 88
电源................................................ ............................. 88
接地和电路板布局建议................. 89
时钟振荡器................................................ .......................... 89
上电复位操作............................................. .......... 90
典型的系统配置............................................... ... 91
开发工具................................................ ......................... 92
基于PC的工具.............................................. ............................. 92
在电路我
2
下载................................................ ....... 92
外形尺寸................................................ ....................... 93
订购指南................................................ .......................... 95
英文内容
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