arm7内核Cortex-M3技术参考手册中文高清PDF版

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Cortex-M3 技术参考手册

前言...................................................................................................................................................1

关于本手册...............................................................................................................................1

第 1 章概述.....................................................................................................................................3

1.1 关于处理器........................................................................................................................3

1.2 处理器的组件....................................................................................................................4

1.2.1 Cortex-M3 的层次和实现的选项 ...........................................................................5

1.2.2 处理器内核 .............................................................................................................6

1.2.3 NVIC........................................................................................................................7

1.2.4 总线矩阵.................................................................................................................7

1.2.5 FPB...........................................................................................................................8

1.2.6 DWT.........................................................................................................................8

1.2.7 ITM...........................................................................................................................8

1.2.8 MPU .........................................................................................................................8

1.2.9 ETM .........................................................................................................................8

1.2.10 TPIU.......................................................................................................................8

1.2.11 SW/JTAG-DP.........................................................................................................9

1.3 可配置的选项....................................................................................................................9

1.3.1 中断.........................................................................................................................9

1.3.2 MPU .........................................................................................................................9

1.3.3 ETM .........................................................................................................................9

1.4 指令集汇总........................................................................................................................9

第 2 章编程模型（programmer's model） ...............................................................................17

2.1 关于编程模型..................................................................................................................17

2.1.1 工作模式...............................................................................................................17

2.1.2 工作状态...............................................................................................................17

2.2 特权访问和用户访问......................................................................................................17

2.2.1 主堆栈和进程堆栈 ...............................................................................................18

2.3 寄存器..............................................................................................................................18

2.3.1 通用寄存器 ...........................................................................................................18

2.3.2 特殊用途的程序状态寄存器（xPSR） ..............................................................19

2.4 数据类型..........................................................................................................................22

2.5 存储器格式

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

2.6 指令集..............................................................................................................................24

第 3 章系统控制...........................................................................................................................26

3.1 处理器寄存器汇总..........................................................................................................26

3.1.1 嵌套向量中断控制器的寄存器 ...........................................................................26

3.1.2 内核调试寄存器 ...................................................................................................28

3.1.3 系统调试寄存器 ...................................................................................................28

3.1.4 调试接口的端口寄存器 .......................................................................................31

3.1.5 存储器保护单元的寄存器 ...................................................................................32

3.1.6 跟踪端口接口单元的寄存器 ...............................................................................32

3.1.7 嵌入式跟踪宏单元的寄存器 ...............................................................................33

第 4 章存储器映射.......................................................................................................................35

4.1 关于存储器映射..............................................................................................................35

4.2 Bit-banding........................................................................................................................37

4.2.1 直接访问别名区 ...................................................................................................38

4.2.2 直接访问 bit-band 区............................................................................................38

4.3 ROM 存储器表.................................................................................................................39

第 5 章异常...................................................................................................................................40

5.1 关于异常模型..................................................................................................................40

5.2 异常类型..........................................................................................................................41

5.3 异常优先级......................................................................................................................42

5.3.1 优先级...................................................................................................................43

5.3.2 优先级分组 ...........................................................................................................43

5.4 特权和堆栈......................................................................................................................44

5.4.1 堆栈.......................................................................................................................44

5.4.2 特权.......................................................................................................................44

5.5 占先..................................................................................................................................45

5.5.1 堆栈.......................................................................................................................45

5.6 末尾连锁（Tail-chaining）.............................................................................................47

5.7 迟来..................................................................................................................................48

5.8 退出..................................................................................................................................49

5.8.1 异常退出...............................................................................................................49

5.8.2 处理器从 ISR 中返回...........................................................................................50

5.9 复位..................................................................................................................................51

5.9.1 向量表和复位 .......................................................................................................51

5.9.2 预期的启动顺序（boot up sequence） ...............................................................52

5.10 异常的控制权转移........................................................................................................54

5.11 设置多个堆栈 ................................................................................................................54

5.12 中止(abort)模型 .............................................................................................................56

5.12.1 硬故障.................................................................................................................56

5.12.2 局部故障和升级.................................................................................................56

5.12.3 故障状态寄存器和故障地址寄存器 .................................................................58

5.13 激活等级(activation level).............................................................................................59

5.14 流程图............................................................................................................................60

5.14.1 中断处理.............................................................................................................60

5.14.2 占先.....................................................................................................................61

5.14.3 返回.....................................................................................................................62

第 6 章时钟和复位.......................................................................................................................64

6.1 Cortex-M3 时钟 ................................................................................................................64

6.2 Cortex-M3 复位 ................................................................................................................65

6.3 Cortex-M3 复位方式 ........................................................................................................65

6.3.1 上电复位...............................................................................................................65

6.3.2 系统复位...............................................................................................................66

6.3.3 JTAG-DP 复位 .......................................................................................................67

6.3.4 SW-DP 复位...........................................................................................................67

6.3.5 正常工作...............................................................................................................67

第 7 章电源管理...........................................................................................................................68

7.1 电源管理概述..................................................................................................................68

7.2 系统电源管理..................................................................................................................68

7.2.1 SLEEPING.............................................................................................................69

7.2.2 SLEEPDEEP..........................................................................................................69

第 8 章嵌套向量中断控制器.......................................................................................................70

8.1 NVIC 概述 ........................................................................................................................70

8.2 NVIC 编程器模型 ............................................................................................................70

8.2.1 NVIC 寄存器映射 .................................................................................................70

8.2.2 NVIC 寄存器描述 .................................................................................................73

8.3 电平中断与脉冲中断......................................................................................................97

第 9 章存储器保护单元...............................................................................................................98

9.1 MPU 概述 .........................................................................................................................98

9.2 MPU 编程器模型 .............................................................................................................98

9.2.1 MPU 寄存器纵览 ..................................................................................................98

9.2.2 描述 MPU 寄存器 ................................................................................................99

9.2.3 使用重叠寄存器访问 MPU ...............................................................................105

9.2.4 子区域.................................................................................................................105

9.3 MPU 访问权限 ...............................................................................................................106

9.4 MPU 异常中止 ...............................................................................................................107

9.5 更新 MPU 区域 .............................................................................................................107

9.5.1 使用 CP15 等效代码更新 MPU 区域................................................................107

9.5.2 使用两个或三个字来更新 MPU 区域...............................................................108

9.6 中断和更新 MPU ..........................................................................................................109

第 10 章内核调试.......................................................................................................................110

10.1 关于内核调试

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

10.1.1 停止模式调试...................................................................................................110

10.1.2 退出内核调试...................................................................................................110

10.2 内核调试寄存器..........................................................................................................111

10.2.1 调试停止控制和状态寄存器 ...........................................................................111

10.2.2 调试内核选择寄存器.......................................................................................113

10.2.3 调试内核寄存器的数据寄存器 .......................................................................114

10.2.4 调试异常和监控控制寄存器 ...........................................................................115

10.3 内核调试访问实例......................................................................................................117

10.4 在内核调试中使用应用寄存器 ..................................................................................117

第 11 章系统调试.......................................................................................................................118

11.1 关于系统调试 ..............................................................................................................118

11.2 系统调试访问 ..............................................................................................................119

11.3 系统调试的编程模型 ..................................................................................................120

11.4 Flash 修补和断点 .........................................................................................................121

11.4.1 FPB 的编程模型 ................................................................................................121

11.5 数据观察点和跟踪 ......................................................................................................125

11.5.1 DWT 寄存器总结及描述 ..................................................................................125

11.6 仪表跟踪宏单元 ..........................................................................................................135

11.6.1 ITM 寄存器总结和描述....................................................................................135

11.7 AHB 访问端口..............................................................................................................141

11.7.1 AHB-AP 处理类型.............................................................................................141

11.7.2 AHB-AP 寄存器总结和描述.............................................................................141

第 12 章调试端口.......................................................................................................................145

12.1 关于调试端口..............................................................................................................145

12.2 JTAG-DP.......................................................................................................................146

12.2.1 扫描链接口.......................................................................................................146

12.2.2 IR 扫描链和 IR 指令 .........................................................................................148

12.2.3 DR 扫描链和 DR 寄存器 ..................................................................................151

12.3 SW-DP...........................................................................................................................157

12.3.1 时钟...................................................................................................................157

12.3.2 调试接口概述...................................................................................................158

12.3.3 协议操作概述...................................................................................................159

12.3.4 协议描述...........................................................................................................162

12.3.5 传输时序...........................................................................................................169

12.4 调试端口（DP）的通用特性.....................................................................................170

12.4.1 Sticky 标志和 DP 错误响应..............................................................................170

12.4.2 读和写错误.......................................................................................................171

12.4.3 溢出检测...........................................................................................................171

12.4.4 协议错误，只用于 SW-DP..............................................................................172

12.4.5 推动比较和推动验证操作 ...............................................................................172

12.5 调试端口的编程模型..................................................................................................174

12.5.1 JTAG-DP 寄存器 ...............................................................................................174

12.5.2 SW-DP 寄存器...................................................................................................175

12.5.3 调试端口（DP）的寄存器描述......................................................................176

第 13 章跟踪端口的接口单元...................................................................................................186

13.1

关于跟踪端口的接口单元 ..........................................................................................186

13.1.1 TPIU 方框图 ......................................................................................................186

13.1.2 TPIU 组件 ..........................................................................................................187

13.1.3 TPIU 输入和输出 ..............................................................................................188

13.2 TPIU 寄存器 .................................................................................................................189

13.2.1 TPIU 寄存器汇总 ..............................................................................................189

13.2.2 TPIU 寄存器描述 ..............................................................................................189

第 14 章总线接口.......................................................................................................................194

14.1 关于总线接口..............................................................................................................194

14.2 ICode 总线接口 ............................................................................................................194

14.2.1 分支状态信号...................................................................................................195

14.3 DCode 总线接口...........................................................................................................195

14.3.1 专用...................................................................................................................195

14.3.2 存储器属性.......................................................................................................196

14.4 系统接口......................................................................................................................196

14.4.1 不对齐访问.......................................................................................................196

剩余241页未读，继续阅读

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2013-06-30

非常不错！！！我很喜欢！！对初学者很有用！！！

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