HT6019 datasheet(6/161 Pages) HITREND

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Page6 of 161

Rev1.9

4.3.5

系统电源检测功能(VCC_DET) .............................................................................................................44

4.3.6

低电压检测功能(LVDIN _DET)...............................................................................................................45

4.3.7

VCC_DET, BOR_DET 分时检测时序 ...................................................................................................45

4.4

特殊功能寄存器列表 ..............................................................................................................................46

4.5

特殊功能寄存器说明 ..............................................................................................................................46

调试支持...........................................................................................................................................................51

5.1

概况 ..........................................................................................................................................................51

5.2

JTAG 引脚分布 ........................................................................................................................................51

5.3

JTAG 口使用说明 ....................................................................................................................................51

工作模式...........................................................................................................................................................53

6.1

芯片电源域分配 ......................................................................................................................................53

6.2

工作模式 ..................................................................................................................................................53

6.3

睡眠模式（SLEEP）.................................................................................................................................54

6.3.1

SLEEP 模式下各模块开关.....................................................................................................................54

6.3.2

SLEEP 模式下的唤醒.............................................................................................................................54

6.3.3

从 SLEEP 模式唤醒后的唤醒方式确认 ................................................................................................55

6.3.4

进入 Sleep 模式.......................................................................................................................................55

6.4

待机模式（HOLD） .................................................................................................................................55

6.4.1

进入 Hold 模式 .......................................................................................................................................56

6.5 模式转换图.....................................................................................................................................................56

6.6 特殊功能寄存器列表 .....................................................................................................................................57

6.7 特殊功能寄存器说明 .....................................................................................................................................57

GPIO 模块 .......................................................................................................................................................60

7.1

概述 ..........................................................................................................................................................60

7.2

芯片引脚结构说明 ..................................................................................................................................61

7.3

I/O 端口基地址列表 ................................................................................................................................61

7.4

特殊功能寄存器说明 ..............................................................................................................................62

中断模块...........................................................................................................................................................67

8.1

中断向量说明 ..........................................................................................................................................67

8.2

特殊功能寄存器列表 ..............................................................................................................................68

8.3

特殊功能寄存器说明 ..............................................................................................................................68

RESET 模块.....................................................................................................................................................72

9.1

复位优先级 ..............................................................................................................................................72

9.2

复位说明 ..................................................................................................................................................72

9.2.1

上电复位 .................................................................................................................................................73

9.2.2

低电压检测复位 .....................................................................................................................................73

9.2.3

外部引脚复位 .........................................................................................................................................74

9.2.4

掉电复位 .................................................................................................................................................74

9.2.5

看门狗复位 .............................................................................................................................................75

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