飞思卡尔MC9S12X中文数据手册资源-CSDN文库

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目录 .................................................................................................................................................. I

第一章 PWM模块 ...........................................................................................................................1

第一节 P

WM模块介绍 .........................................................................................................1

第二节 P

WM寄存器简介 .....................................................................................................2

2.1 PWME寄存器........................................................................................................2

2.2 PWMPOL寄存器...................................................................................................2

2.3 PWMCLK寄存器 ..................................................................................................3

2.4 PWMPRCLK寄存器 .............................................................................................3

2.5 PWMCAE寄存器 ..................................................................................................4

2.6 PWMCTL寄存器...................................................................................................4

2.7 PWMSCLA寄存器................................................................................................5

2.8 PWMCNTx寄存器 ................................................................................................5

2.9 PWMPERx寄存器.................................................................................................6

2.10 PWMDTYx寄存器................................................................................................7

第三节 P

WM应用实例 .........................................................................................................8

3.1 周期和

占空比计算举例..........................................................................................8

3.2 PWM初

始化步骤总结 ............................................................................................9

3.3 PWM应

用实例 ........................................................................................................9

第二章 ECT模块 ...........................................................................................................................12

第一节 E

CT模块介绍 .........................................................................................................12

1.1 简述..........................................................................................................................12

1.2 特征..........................................................................................................................12

1.3 运行模式..................................................................................................................12

1.4 ECT的组

成与工作模式 ...........................................................................................13

1.5 ECT的工

作过程与设置 ...........................................................................................15

第二节 E

CT寄存器简介 .....................................................................................................19

2.1 IC／OC选择寄存器(TIOS).................................................................................19

2.2 输出比

较通道 7 屏蔽寄存器(OC7M) ................................................................20

2.3 输出比

较通道 7 数据寄存器(OC7D).................................................................20

2.4 定时器

核心寄存器(TCNT).................................................................................21

2.5 计时器

系统控制寄存器 1（TSCR1） ...............................................................21

2.6 计时器

溢出绑定寄存器 1（TTOV） ................................................................22

2.7 控制寄

存器（TCTLl-TCTL4） .........................................................................23

2.8 计时器

中断使能寄存器（TIE）........................................................................24

2.9 计时器

系统控制寄存器 2(TSCR2) ....................................................................24

2.10 主定时

器中断标志寄存器(TFLG1、TFLG2) ...................................................25

2.11 IC／OC寄存器(TC0-TC7)..................................................................................26

2.12 脉冲累

加器A控制寄存器(PACTL)....................................................................27

2.13 脉冲累

加器A标志寄存器(PAFLG)....................................................................28

2.14 脉冲累

加寄存器(PACN3、PACN2、PACN1、PACN0).................................29

2.15 模数递减计数器控制寄存器(MCCTL)..............................................................30

2.16 输入脉

冲累加器控制寄存器(ICPAR) ...............................................................31

2.17 输入覆

盖控制寄存器(ICOVW)..........................................................................31

2.18 输入系

统控制寄存器(ICSYS)............................................................................32

2.19 脉冲累

加器B控制寄存器(PBCTL)....................................................................33

2.20 脉冲累

加器B标志寄存器(PBFLG) ....................................................................34

2.21 脉冲累

加器保持寄存器（PA3H-PA0H）.........................................................34

2.22 模数递

减计数器工作寄存器(MCCNT).............................................................35

2.23 IC保持

寄存器（TC0H-TC3H）.........................................................................35

第三节 E

CT应用实例 .........................................................................................................37

3.1 定时器

编程步骤....................................................................................................37

3.2 输入捕

捉IC：........................................................................................................37

3.3 通道 6 输出比较....................................................................................................38

3.4 通道 7 输出比较....................................................................................................39

3.5 模数递

减计数器....................................................................................................40

第三章 SCI模块 ............................................................................................................................42

第一节 S

CI寄存器简介 ......................................................................................................42

1.1 波特率

控制寄存器(SCIBDH、SCIBDL) ............................................................42

1.2 控制寄

存器 1(SCICR1).........................................................................................43

1.3 控制寄

存器 2(SCICR2).........................................................................................44

1.4 状态寄

存器 1（SCISR1）....................................................................................45

1.5 状态寄

存器 2(SCISR2).........................................................................................47

1.6 数据寄

存器(SCIDRH、SCIDRL) ........................................................................47

第二节 S

CI应用示例 ..........................................................................................................48

第四章 SPI模块.............................................................................................................................53

第一节 SPI模块介绍...........................................................................................................53

1.1 SPI的功能特点......................................................................................................53

1.2 SPl的组

成与工作设置 ..........................................................................................54

第二节 SPI寄存器简介.......................................................................................................60

2.1 SPI控制寄存器 1(SPICR1) ...................................................................................60

2.2 SPI控制寄存器 2(SPICR2) ...................................................................................62

2.3 SPI波特率选择寄存器 ..........................................................................................62

2.4 SPI状态寄存器......................................................................................................63

2.5 SPI数据寄存器......................................................................................................64

第三节 SPI应用实例...........................................................................................................64

第五章 A/D转换模块....................................................................................................................67

第一节 A

/D模块介绍..........................................................................................................67

1.1 A/D转

换原理.........................................................................................................67

1.2 A/D转

换原理的应用前景.....................................................................................67

1.3 A/D转

换模块.........................................................................................................67

1.4 功能结

构图............................................................................................................68

1.5 HCS12A/D特点 .....................................................................................................68

第二节 A

/D寄存器简介......................................................................................................69

2.1 控制寄

存器 2（ATDCTL2） ...............................................................................69

III

2.2 控制寄存器 3（ATDCTL3） ...............................................................................71

2.3 控制寄

存器 4（ATDCTL4） ...............................................................................71

2.4 控制寄

存器 5（ATDCTL5） ...............................................................................73

第三节 A

/D应用示例..........................................................................................................74

3.1 编程步

骤................................................................................................................74

3.2 A/D程

序示例—单通道查询.................................................................................74

3.3 A/D程

序示例—滤波.............................................................................................75

3.4 A/D程

序示例—定时采样.....................................................................................76

第六章 EEPROM模块 ..................................................................................................................79

第一节 EEP

ROM模块介绍.................................................................................................79

1.1 EEPROM功能 .......................................................................................................79

1.2 EEPROM结构 .......................................................................................................79

1.3 EEPROM特点 .......................................................................................................80

第二节 EEP

ROM寄存器简介.............................................................................................80

2.1 时钟分

频寄存器ECLKDIV ..................................................................................80

2.2 配置寄

存器ECNFG...............................................................................................81

2.3 保护寄

存器EPROT...............................................................................................81

2.4 状态寄

存器ESTAT ...............................................................................................82

2.5 命令寄

存器ECMD ................................................................................................84

第三节 EEP

ROM应用实例.................................................................................................85

3.1 EEPROM的写入操作............................................................................................85

3.2 EEPROM的擦除操作............................................................................................85

3.3 EEPROM示例程序................................................................................................86

第七章 FLASH模块......................................................................................................................91

第一节 F

LASH模块介绍 ....................................................................................................91

1.1 FLASH功能...........................................................................................................91

1.2 FLASH结构...........................................................................................................91

1.3 FLASH特点...........................................................................................................92

第二节 F

LASH寄存器简介 ................................................................................................92

2.1 时钟分频

寄存器FCLKDIV ....................................................................................93

2.2 配置寄存

器 FCNFG...............................................................................................94

2.3 安全寄存

器 FSEC ..................................................................................................94

2.4 保护寄存

器 FPROT ...............................................................................................95

2.5 状态寄存

器 FSTAT 状态寄存器..........................................................................96

2.6 命令寄存

器 FCMD ................................................................................................98

第三节 F

LASH应用实例 ....................................................................................................98

3.1 FLASH的写入操作 ...............................................................................................98

3.2 FLASH的擦除操作 ...............................................................................................99

3.3 FLASH的擦写操作注意事项 .............................................................................100

3.4 FLASH示例程序 .................................................................................................100

第八章

CodeWarrior IDE 12 应用 ..............................................................................................103

剩余116页未读，继续阅读

评论收藏

内容反馈

zshzsh12

2013-10-23

还可以将就用
z625451327

2013-10-20

还可以挺实用的
yaoxuan00

2014-05-14

芯片手册，这种东西多多益善啊
xyole

2013-02-06

还可以将就用
帅冲

2013-12-10

不错，很实用

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