ADuC7019/20/21/22/24/25/26/27
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
功能框图............................................... ............... 1
修订历史................................................ ............................... 3
概述................................................ ......................... 4
详细框图............................................... ............... 5
规格................................................. .................................... 6
时序规格................................................ .................. 9
绝对最大额定值............................................... ........... 16
ESD注意事项................................................ ................................ 16
引脚配置和功能说明......................... 17
ADuC7019 /的ADuC7020 / ADuC7021 / ADuC7022 .................. 17
控制器ADuC7024 / ADuC7025 ............................................... .............. 20
ADUC7026 / ADuC7027 ............................................... .............. 23
典型性能特征........................................... 27
术语................................................. ................................... 30
ADC规格................................................ .................... 30
DAC规格................................................ ..................... 30
ARM7TDMI内核的概述............................................. 31
拇指模式（ T） ............................................. ........................... 31
长乘（M ） ............................................. ......................... 31
嵌入式ICE （我） .............................................. ......................... 31
例外情况................................................. .................................. 31
ARM寄存器................................................ ............................ 31
中断延迟................................................ ........................ 32
存储器结构................................................ ................... 33
内存访问................................................ ........................... 33
Flash / EE存储器.............................................. ......................... 33
SRAM ................................................. .......................................... 33
内存映像寄存器............................................... ........ 33
ADC电路概述............................................... ................... 37
传递函数................................................ ....................... 37
典型的操作................................................ ....................... 38
孕产妇死亡接口................................................ .......................... 38
转换器操作................................................ .................. 40
驾驶模拟输入.............................................. .......... 42
校准................................................. .................................. 42
温度传感器................................................ ................... 42
带隙基准............................................... .................... 42
非易失性Flash / EE存储器............................................. ........ 43
编程................................................. ............................. 43
安全................................................. ....................................... 44
闪存/ EE控制接口............................................. .......... 44
从SRAM和Flash / EE ............................ 46执行时间
复位和重新映射............................................... ......................... 46
其他模拟外设............................................... ............... 48
DAC ................................................. ............................................. 48
电源监控............................................... ................ 49
比较................................................. ................................ 50
振荡器和PLL功耗控制........................................ 51
数字外设................................................ .......................... 53
三相PWM .............................................. ....................... 53
通用输入/输出............................................ .... 60
串行端口复用............................................... ............................ 62
UART串行接口............................................... ................. 62
串行外设接口............................................... .......... 65
I
2
C兼容接口............................................... .......... 67
可编程逻辑阵列（ PLA） ........................................... 71
处理器参考外设............................................... .... 74
中断系统................................................ ......................... 74
定时器................................................. ......................................... 75
外部存储器接口............................................... .... 79
版本A |第92 2
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