【8位闪存微控制器与运算放大器&比较HT45F23/HT45F43修订： 1.20日期： 20】,IC型号HT45F23,HT45F23 PDF资料,HT45F23经销商,ic,电子元器件-51电子网

8位闪存微控制器与运算放大器&比较

HT45F23/HT45F43

修订： 1.20

日期： 2011年9月15日

功能................................................. .............................................. 7

CPU特性........................................................................................................7

外设特性................................................ ................................................ 7

概述................................................ ............................ 8

框图................................................ ..................................... 9

引脚分配................................................ ................................... 9

引脚说明................................................ .................................. 10

绝对最大额定值............................................... .............. 12

直流特性................................................ .......................... 13

AC特征................................................ .......................... 16

OP放大器电气特性........................................... 17

比较器电气特性............................................ 18

LDO 2.4V ............................................... ............................................. 18

LDO 3.3V ............................................... ............................................. 18

上电复位特性............................................. ......... 19

系统架构................................................ ......................... 20

时序和流水线............................................... ......................................... 20

节目Counter..................................................................................................21

堆....................................................................................................................21

算术逻辑单元

ALU ................................................. .......................... 22

闪存程序存储器............................................... ......................................... 22

Structure...............................................................................................................22

特Vectors.....................................................................................................22

查找Table.......................................................................................................24

表程序示例............................................... ........................................ 25

在电路编程............................................... ..................... 26

RAM数据存储器............................................... .............................. 27

Structure...............................................................................................................27

特殊功能寄存器............................................... .................................... 28

间接寻址寄存器

IAR0 ， IAR1 ............................................... .......... 28

内存指针

MP0 ， MP1 ............................................... ............................... 29

银行指针

BP ................................................. ............................................... 30

累加器

ACC ................................................. ............................................. 30

修订版1.20

2011年9月15日

程序计数器低字节寄存器

PCL..................................................................30

查表寄存器

TBLP ， TBLH ............................................... ................. 30

状态寄存器

状态................................................. .................................. 31

EEPROM数据存储器............................................... ...................... 32

EEPROM数据存储器结构.............................................. .......................... 32

EEPROM Registers..............................................................................................32

从EEPROM中读取数据............................................. ............................ 33

写数据到EEPROM ............................................. .................................. 33

写保护....................................................................................................34

EEPROM中断................................................ ............................................... 34

编程注意事项................................................ ............................... 34

编程实例................................................ ....................................... 34

Oscillator............................................................................................35

振荡器Overview...............................................................................................35

系统时钟配置............................................... ................................. 35

外部晶体/陶瓷振荡器

HXT ................................................. ......... 36

外部RC振荡器

ERC ................................................. .............................. 37

外部振荡器

EC........................................................................................37

内部RC振荡器

HIRC ................................................. .............................. 37

外部32.768kHz晶体振荡器

LXT ................................................. ....... 37

LXT低功耗功能............................................. ......................... 38

内部32kHz振荡器

LIRC...........................................................................39

辅助振荡器................................................ .................................... 39

运行模式和系统时钟............................................. 39

系统Clocks......................................................................................................39

系统操作模式............................................... ...................................... 40

控制寄存器...................................................................................................42

快速唤醒.......................................................................................................43

工作模式切换和唤醒........................................... ................... 44

正常模式切换到低速模式............................................ ............... 45

低速模式转换到正常模式切换............................................ ............... 46

在进入休眠模式0 .............................................. .................................... 46

在进入休眠模式1 .............................................. .................................... 47

进入空闲模式0 .............................................. ....................................... 47

进入空闲模式1 .............................................. ....................................... 47

静态电流注意事项............................................... ............................ 48

Wake-up...............................................................................................................48

编程注意事项................................................ ............................... 49

看门狗定时器................................................ ................................ 49

看门狗定时器时钟源.............................................. ............................... 49

看门狗定时器控制寄存器.............................................. ........................... 50

看门狗定时器操作............................................... .................................... 50

修订版1.20

2011年9月15日

复位和初始化............................................... ...................... 52

复位功能...................................................................................................52

复位初始条件............................................... .......................................... 54

输入/输出端口.............................................. ............................... 57

拉Resistors................................................................................................57

PA口唤醒....................................................................................................58

I / O端口控制寄存器............................................ ......................................... 58

端口B NMOS开漏控制寄存器........................................... ............... 59

I / O引脚结构............................................. .................................................. ..59

编程注意事项................................................ ............................... 60

定时/计数器.............................................. ......................... 61

配置定时/计数器输入时钟源..................................... 61

定时寄存器

TMR0 ， TMR1L ， TMR1H ............................................. .............. 61

定时器控制寄存器

TMR0C ， TMR1C ............................................... ........... 63

配置定时器模式.............................................. ................................... 63

配置事件计数器模式............................................. ....................... 64

配置脉冲宽度测量模式............................................ ..... 64

可编程分频器

PFD ................................................. ............ 65

预分频器..............................................................................................................66

I / O Interfacing.......................................................................................................68

定时/计数器引脚内部过滤器........................................... .................... 68

编程注意事项................................................ ............................... 68

定时程序示例............................................... ........................................ 69

脉宽调制器............................................... ...................... 70

PWM Operation....................................................................................................70

6 + 2 PWM模式...................................................................................................71

7 + 1 PWM模式...................................................................................................72

PWM输出控制............................................... ............................................. 73

模拟到数字转换.............................................. ................ 74

A / D概述.......................................................................................................74

A / D转换器寄存器说明............................................ .......................... 74

A / D转换器数据寄存器

ADRL ， ADRH ............................................... ...... 75

A / D转换器控制寄存器

ADCR ，钢芯铝绞线， ADPCR .................................. 75

A / D Operation.......................................................................................................77

A / D输入引脚......................................................................................................78

A / D转换步骤摘要........................................... ........................... 79

编程注意事项................................................ ............................... 79

A / D转换Function...........................................................................................80

A / D编程实例............................................. ..................................... 81

串行接口模块

SIM...........................................................82

SPI Interface.........................................................................................................82

SPI寄存器.......................................................................................................83

修订版1.20

2011年9月15日

SPI Communication..............................................................................................86

C接口.........................................................................................................88

C总线Communication........................................................................................92

C总线启动Signal..............................................................................................92

从机地址......................................................................................................93

C总线读/写信号............................................ ........................................ 93

C总线从机地址确认信号............................................ ............. 93

C总线数据和确认信号............................................ ..................... 93

外围时钟输出............................................... .................... 95

外围时钟操作............................................... .................................... 95

SCOM功能的LCD .............................................. ..................... 96

LCD操作.....................................................................................................96

LCD偏置Control..................................................................................................97

LDO功能.......................................................................................................98

运算放大器................................................ ...................... 99

运算放大器寄存器............................................... ............................. 99

运算放大器工作............................................... ........................... 102

运算放大器的功能............................................... ........................... 103

比较................................................. ................................... 107

比较器的操作................................................ ........................................ 107

比较寄存器................................................ ........................................ 107

比较器功能................................................ ........................................ 110

Interrupts..........................................................................................114

中断寄存器................................................ .............................................. 114

中断Operation..............................................................................................114

中断优先级..................................................................................................115

外部中断................................................ ................................................ 117

外部设备中断............................................... ................................ 119

定时/计数器中断............................................. ................................ 119

SPI / I

C接口中断............................................... .................................... 120

多功能中断.............................................. .......................................... 120

A / D中断.......................................................................................................120

时基中断............................................... ............................................. 121

外部设备中断............................................... ................................ 122

比较器中断................................................ .......................................... 122

EEPROM中断................................................ ............................................. 122

LVD中断......................................................................................................122

中断唤醒功能............................................. ................................... 123

编程注意事项................................................ ............................. 123

Buzzer...............................................................................................123

掉电模式和唤醒........................................... ........ 126

在进入空闲或休眠模式............................................ ......................... 126

修订版1.20

2011年9月15日

内½运算放大器

＆放大器;

比较器的

8位闪存

单片机

HT45F23 / HT45F43

版本

: V1.20

日期

: 2011-09-15

HT45F23 / HT45F43

LTEK ＃

内½运算放大器

＆放大器;

比较器的

8位闪存

单片机

目 ½

特性

..................................................................................................................................7

中央处理器

特性

................................................................................................................................ 7

周边特性

................................................................................................................................. 8

概述

..................................................................................................................................9

方框图

..............................................................................................................................9

引脚图

............................................................................................................................10

引脚说明

........................................................................................................................10

极限参数

........................................................................................................................13

直流电气特性

................................................................................................................13

交流电气特性

................................................................................................................17

放大器电气特性

............................................................................................................18

比较器电气特性

...........................................................................................................19

LDO 2.4V .......................................................................................................................19

LDO 3.3V .......................................................................................................................20

上电复½特性

................................................................................................................20

系统结构

........................................................................................................................21

时序和流水线结构

............................................................................................................... 21

程序计数器

........................................................................................................................... 22

堆栈

....................................................................................................................................... 22

算术逻辑单元

—

ALU ......................................................................................................... 23

FL灰

程序存储器

.........................................................................................................23

结构

....................................................................................................................................... 23

特殊向量

............................................................................................................................... 23

查表

....................................................................................................................................... 24

查表范例

............................................................................................................................... 25

在线编程

............................................................................................................................... 26

数据存储器

....................................................................................................................27

结构

....................................................................................................................................... 27

特殊功½寄存器

............................................................................................................27

间接寻址寄存器

—

IAR0 ， IAR1 ............................................... ........................................ 27

间接寻址指针

—

MP0，MP1.............................................................................................. 28

存储区指针－

BP ................................................................................................................. 29

累加器－

ACC ......................................................................................................................三十

程序计数器½字节寄存器－

PCL ................................................. ...................................... 30

表格寄存器－

TBLP ， TBLH ............................................... ............................................... 30

状态寄存器－

状态........................................................................................................三十

修订版1.20

2011-09-15

HT45F23 / HT45F43

内½运算放大器

＆放大器;

比较器的

8位闪存

单片机

口EK ＃

EEPROM

数据寄存器

..................................................................................................32

EEPROM

数据寄存器结构

.................................................................................................. 32

EEPROM

寄存器

.................................................................................................................. 32

从

EEPROM

中读取数据

..................................................................................................... 33

写数据到

EEPROM .............................................................................................................. 33

写保护

................................................................................................................................... 34

EEPROM

中断

...................................................................................................................... 34

编程注意事项

....................................................................................................................... 34

振荡器

............................................................................................................................35

振荡器概述

........................................................................................................................... 35

系统时钟配½

....................................................................................................................... 35

外部晶½

陶瓷振荡器

- HXT ............................................... ............................................ 36

外部

振荡器

- ERC ....................................................................................................... 37

外部振荡器

- EC ................................................................................................................. 37

内部

振荡器

- HIRC...................................................................................................... 37

外部

32.768kHz

晶½振荡器

- LXT ............................................... .................................... 37

LXT

振荡器½功耗功½

...................................................................................................... 38

内部

32kHz

振荡器

- LIRC ............................................... .................................................. 39

辅助振荡器

........................................................................................................................... 39

工½模式和系统时钟

....................................................................................................39

系统时钟

............................................................................................................................... 39

系统工½模式

....................................................................................................................... 39

控制寄存器

........................................................................................................................... 42

快速唤醒

............................................................................................................................... 43

工½模式切换和唤醒

........................................................................................................... 43

正常模式切换到½速模式

................................................................................................... 44

½速模式切换到正常模式

................................................................................................... 44

进入休眠模式

0 .................................................................................................................... 44

进入休眠模式

1 .................................................................................................................... 45

进入空闲模式

0 .................................................................................................................... 45

进入空闲模式

1 .................................................................................................................... 45

静态电流的注意事项

........................................................................................................... 45

唤醒

....................................................................................................................................... 46

编程注意事项

....................................................................................................................... 46

看门狗定时器

................................................................................................................48

看门狗定时器时钟源

........................................................................................................... 48

看门狗定时器控制寄存器

................................................................................................... 48

看门狗定时器操½

............................................................................................................... 49

复½和初始化

................................................................................................................50

复½功½

............................................................................................................................... 50

复½初始状态

....................................................................................................................... 52

修订版1.20

2010-09-15

HT45F23 / HT45F43

LTEK ＃

内½运算放大器

＆放大器;

比较器的

8位闪存

单片机

输入

输出端口

.............................................................................................................55

上拉电阻

............................................................................................................................... 55

口唤醒

............................................................................................................................ 56

输入

输出端口控制寄存器

................................................................................................ 57

口

NMOS

开漏极控制寄存器

- MISC ............................................... .......................... 58

输入

输出引脚结构

............................................................................................................ 58

编程注意事项

...................................................................................................................... 59

定时

计数器

.................................................................................................................59

配½定时

计数器输入时钟源

............................................................................................ 59

定时

计数寄存器

- TMR0 ， TMR1L / TMR1H ............................................ ...................... 60

定时

计数控制寄存器

-TMR0C ， TMR1C .............................................. ........................ 61

配½定时器模式

................................................................................................................... 63

配½内部事件计数器模式

................................................................................................... 63

配½外部事件计数器模式

................................................................................................... 64

配½脉冲½度测量模式

....................................................................................................... 64

可编程分频器

- PFD............................................................................................................. 65

预分频器

............................................................................................................................... 66

输入

输出接口

.................................................................................................................... 66

定时

计数器引脚内部滤波器

............................................................................................ 66

编程注意事项

....................................................................................................................... 67

定时

计数器应用范例

........................................................................................................ 67

脉冲½度调制器

............................................................................................................68

PWM

操½

............................................................................................................................. 68

6 + 2 PWM

模式

..................................................................................................................... 69

7 + 1的PWM

模式

..................................................................................................................... 70

PWM

输出控制

..................................................................................................................... 71

PWM

应用范例

..................................................................................................................... 71

A / D

½换器.....................................................................................................................72

A / D

简介

............................................................................................................................... 72

A / D

½换寄存器介绍

........................................................................................................... 72

A / D

½换器数据寄存器

- ADRL ， ADRH .............................................. ........................... 72

A / D

½换器控制寄存器

- ADCR ，钢芯铝绞线， ADPCR ............................................ ................... 73

A / D

操½

............................................................................................................................... 75

A / D

输入引脚

....................................................................................................................... 76

A / D

½换步骤

....................................................................................................................... 77

A / D

½换功½

....................................................................................................................... 78

A / D

½换应用范例

............................................................................................................... 79

串行接口模块

- SIM卡....................................................................................................81

SPI

接口

................................................................................................................................ 81

SPI

接口操½

........................................................................................................................ 81

SPI

寄存器

............................................................................................................................ 82

SPI

通信

................................................................................................................................ 85

接口

................................................................................................................................. 87

修订版1.20

2011-09-15

HT45F23 / HT45F43

内½运算放大器

＆放大器;

比较器的

8位闪存

单片机

口EK ＃

接口操½

......................................................................................................................... 87

总线通信

......................................................................................................................... 90

总线起始信号

................................................................................................................. 91

从机地址

............................................................................................................................... 91

总线读

写信号

.............................................................................................................. 92

总线从机地址确认信号

................................................................................................. 92

总线数据和确认信号

..................................................................................................... 92

外围时钟输出

................................................................................................................94

外围时钟操½

....................................................................................................................... 94

带

SCOM

功½的

LCD ................................................. ................................................ 95

液晶显示

操½

.............................................................................................................................. 95

液晶显示

偏压控制

...................................................................................................................... 96

LDO

功½

.......................................................................................................................97

运算放大器

OPA ...........................................................................................................98

运算放大器寄存器

............................................................................................................... 98

运算放大器操½

................................................................................................................. 102

运算放大器功½

................................................................................................................. 102

OPA1

开关控制

................................................................................................................... 103

OPA2

开关控制

................................................................................................................... 105

比较器

..........................................................................................................................107

比较器操½

......................................................................................................................... 107

比较器寄存器

..................................................................................................................... 107

比较器功½

......................................................................................................................... 110

中断

..............................................................................................................................114

中断寄存器

......................................................................................................................... 114

中断操½

............................................................................................................................. 117

中断优先级

......................................................................................................................... 119

外部中断

............................................................................................................................. 119

定时

计数器中断

.............................................................................................................. 120

SPI / I

中断

........................................................................................................................ 120

多功½中断

......................................................................................................................... 120

A / D

中断

............................................................................................................................. 120

外围中断

............................................................................................................................. 120

时基中断

............................................................................................................................. 121

比较器中断

......................................................................................................................... 122

EEPROM

中断

.................................................................................................................... 122

LVD

中断

............................................................................................................................ 122

中断唤醒功½

..................................................................................................................... 122

编程注意事项

..................................................................................................................... 123

蜂鸣器

..........................................................................................................................123

修订版1.20

2010-09-15