HT6015 datasheet(5/161 Pages) HITREND

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Rev1.9

目

录

HT6015/6017/6019/6215 概述........................................................................................................................10

1.1

简介 ..........................................................................................................................................................10

1.2

框图 ..........................................................................................................................................................10

1.3

引脚排列 ..................................................................................................................................................12

1.4

引脚定义 ..................................................................................................................................................15

1.5

缩略语 ......................................................................................................................................................19

存储器模块.......................................................................................................................................................20

2.1

概述 ..........................................................................................................................................................20

2.2

存储器映射图 ..........................................................................................................................................21

2.3

FLASH 操作 ...............................................................................................................................................22

2.3.1

Flash 的读保护 .......................................................................................................................................22

2.3.2

Code Flash 的操作说明..........................................................................................................................22

2.4

FLASH 控制功能 .......................................................................................................................................23

2.5

写保护寄存器说明 ..................................................................................................................................24

2.6

特殊功能寄存器列表 ..............................................................................................................................25

2.7

特殊功能寄存器说明 ..............................................................................................................................25

时钟单元...........................................................................................................................................................27

3.1

时钟分类 ..................................................................................................................................................27

3.2

时钟框图 ..................................................................................................................................................27

3.3

时钟停振检测框图 ..................................................................................................................................29

3.4

时钟说明 ..................................................................................................................................................29

3.4.1

内部低频 RC 时钟（Flrc）....................................................................................................................29

3.4.2

内部高频 RC 时钟（Fhrc）...................................................................................................................29

3.4.3

外部低频晶振时钟（Fosc）..................................................................................................................29

3.4.4

内部低频时钟（Flf）.............................................................................................................................30

3.4.5

内部 PLL 时钟（Fpll）..........................................................................................................................30

3.4.6

时钟安全机制 .........................................................................................................................................30

3.4.7

时钟异常状态处理 .................................................................................................................................31

3.5

特殊功能寄存器列表 ..............................................................................................................................31

3.6

特殊功能寄存器说明 ..............................................................................................................................32

电源单元...........................................................................................................................................................40

4.1

概述 ..........................................................................................................................................................40

4.2

框图 ..........................................................................................................................................................40

4.3

电源单元详细功能说明 ..........................................................................................................................41

4.3.1

电源切换 .................................................................................................................................................41

4.3.2

电源实时监测 .........................................................................................................................................41

4.3.3

内建 1.5V 电源........................................................................................................................................41

4.3.4

BOR 检测功能(BOR_DET).....................................................................................................................41

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