STM32F10x中文参考手册_stm32f10x怎么打开rcc资源-CSDN文库

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STM32F10x参考手册第一版

STM32F10x 参考手册

STM32F10x参考手册第一版目录

1 文档中的约定................................................................................................................................1

1.1 寄存器描述中使用的缩写列表 ........................................................................................1

2 存储器和总线构架.........................................................................................................................2

2.1 系统构架.........................................................................................................................2

2.2 存储器组织 .....................................................................................................................3

2.3 存储器映像 .....................................................................................................................4

2.3.1 外设存储器映像.......................................................................................................5

2.3.2 嵌入式SRAM...........................................................................................................6

2.3.3 位段.........................................................................................................................6

2.3.4 嵌入式闪存..............................................................................................................6

2.4 启动配置.........................................................................................................................8

3 电源控制(PWR) ............................................................................................................................9

3.1 电源................................................................................................................................9

3.1.1 独立的A/D转换器供电和参考电压 ...........................................................................9

3.1.2 电池备份 .................................................................................................................9

3.1.3 电压调节器............................................................................................................10

3.2 电源管理器 ...................................................................................................................10

3.2.1 上电复位(POR)和掉电复位(PDR)..........................................................................10

3.2.2 可编程电压监测器(PVD) .......................................................................................10

3.3 低功耗模式 ................................................................................................................... 11

3.3.1 降低系统时钟 ........................................................................................................12

3.3.2 外部时钟的控制.....................................................................................................12

3.3.3 睡眠模式 ...............................................................................................................12

3.3.4 停止模式 ...............................................................................................................13

3.3.5 待机模式 ...............................................................................................................14

3.3.6 低功耗模式下的自动唤醒(AWU)............................................................................15

3.4 电源控制寄存器............................................................................................................16

3.4.1 电源控制寄存器(PWR_CR)...................................................................................16

3.4.2 电源控制/状态寄存器.............................................................................................17

3.5 PWR寄存器映像...........................................................................................................18

4 复位和时钟控制 ..........................................................................................................................19

4.1 复位..............................................................................................................................19

4.1.1 系统复位 ...............................................................................................................19

4.1.2 电源复位 ...............................................................................................................19

STM32F10x参考手册第一版目录

4.1.3 备份域复位............................................................................................................20

4.2 时钟..............................................................................................................................20

4.2.1 HSE时钟 ...............................................................................................................22

4.2.2 HSI时钟.................................................................................................................22

4.2.3 PLL .......................................................................................................................23

4.2.4 LSE时钟................................................................................................................23

4.2.5 LSI时钟 .................................................................................................................23

4.2.6 系统时钟(SYSCLK)选择........................................................................................24

4.2.7 时钟安全系统(CSS)...............................................................................................24

4.2.8 RTC时钟 ...............................................................................................................24

4.2.9 看门狗时钟............................................................................................................24

4.2.10 时钟输出 ...............................................................................................................25

4.3 RCC寄存器描述 ...........................................................................................................26

4.3.1 时钟控制寄存器(RCC_CR) ...................................................................................26

4.3.2 时钟配置寄存器(RCC_CFGR)...............................................................................27

4.3.3 时钟中断寄存器 (RCC_CIR)..................................................................................29

4.3.4 APB2外设复位寄存器 (RCC_APB2RSTR)............................................................32

4.3.5 APB1外设复位寄存器 (RCC_APB1RSTR)............................................................33

4.3.6 AHB外设时钟使能寄存器 (RCC_AHBENR) ..........................................................35

4.3.7 APB2外设时钟使能寄存器(RCC_APB2ENR)........................................................36

4.3.8 APB1外设时钟使能寄存器(RCC_APB1ENR)........................................................37

4.3.9 备份域控制寄存器 (RCC_BDCR) ..........................................................................39

4.3.10 控制/状态寄存器 (RCC_CSR) ...............................................................................40

4.4 RCC寄存器映像 ...........................................................................................................43

5 通用和复用功能I/O(GPIO和AFIO) ..............................................................................................44

5.1 GPIO功能描述..............................................................................................................44

5.1.1 通用I/O(GPIO).......................................................................................................45

5.1.2 单独的位设置或位清除 ..........................................................................................45

5.1.3 外部中断/唤醒线....................................................................................................46

5.1.4 复用功能(AF).........................................................................................................46

5.1.5 软件重新映射I/O复用功能 .....................................................................................46

5.1.6 GPIO锁定机制.......................................................................................................46

5.1.7 输入配置 ...............................................................................................................46

5.1.8 输出配置 ...............................................................................................................47

5.1.9 复用功能配置 ........................................................................................................48

STM32F10x参考手册第一版目录

5.1.10 模拟输入配置 ........................................................................................................49

5.2 GPIO寄存器描述 ..........................................................................................................50

5.2.1 端口配置低寄存器(GPIOx_CRL) (x=A..E) .............................................................50

5.2.2 端口配置高寄存器(GPIOx_CRH) (x=A..E) ............................................................51

5.2.3 端口输入数据寄存器(GPIOx_IDR) (x=A..E) ..........................................................52

5.2.4 端口输出数据寄存器(GPIOx_ODR) (x=A..E).........................................................52

5.2.5 端口位设置/复位寄存器(GPIOx_BSRR) (x=A..E) ..................................................53

5.2.6 端口位复位寄存器(GPIOx_BRR) (x=A..E).............................................................53

5.2.7 端口配置锁定寄存器(GPIOx_LCKR) (x=A..E) .......................................................54

5.3 复用功能I/O和调试配置(AFIO) .....................................................................................55

5.3.1 把OSC_IN/OSC_OUT引脚作为GPIO端口PD0/PD1 .............................................55

5.3.2 BXCAN复用功能重映射 ........................................................................................55

5.3.3 JTAG/SWD复用功能重映射...................................................................................55

5.3.4 定时器复用功能重映射 ..........................................................................................56

5.3.5 USART复用功能重映射.........................................................................................57

5.3.6 I2C 1 复用功能重映射 ...........................................................................................58

5.3.7 SPI 1复用功能重映射 ............................................................................................58

5.4 AFIO寄存器描述...........................................................................................................59

5.4.1 复用重映射和调试I/O配置寄存器(AFIO_MAPR)....................................................60

5.4.2 外部中断配置寄存器1(AFIO_EXTICR1)................................................................62

5.4.3 外部中断配置寄存器2(AFIO_EXTICR2)................................................................62

5.4.4 外部中断配置寄存器3(AFIO_EXTICR3)................................................................63

5.4.5 外部中断配置寄存器4(AFIO_EXTICR4)................................................................63

5.5 GPIO 和AFIO寄存器地址映象 ......................................................................................64

5.5.1 GPIO寄存器地址映象............................................................................................64

5.5.2 AFIO寄存器地址映象 ............................................................................................65

6 中断和事件 .................................................................................................................................66

6.1 嵌套向量中断控制器（NVIC） .....................................................................................66

6.1.1 系统嘀嗒(SysTick)校准值寄存器 ...........................................................................66

6.1.2 中断和异常向量.....................................................................................................66

6.2 外部中断/事件控制器(EXTI) .........................................................................................68

6.2.1 主要特性 ...............................................................................................................68

6.2.2 框图.......................................................................................................................69

6.2.3 唤醒事件管理 ........................................................................................................69

6.2.4 功能说明 ...............................................................................................................69

STM32F10x参考手册第一版目录

6.2.5 外部中断/事件线路映像 .........................................................................................71

6.3 EXTI 寄存器描述 ..........................................................................................................72

6.3.1 外部中断/事件寄存器映像 .....................................................................................75

7 DMA 控制器（DMA） ................................................................................................................76

7.1 简介..............................................................................................................................76

7.2 主要特性.......................................................................................................................76

7.3 功能描述.......................................................................................................................77

7.3.1 DMA处理...............................................................................................................77

7.3.2 仲裁器 ...................................................................................................................77

7.3.3 DMA 通道..............................................................................................................78

7.3.4 错误管理 ...............................................................................................................79

7.3.5 DMA请求映像........................................................................................................79

7.4 DMA寄存器 ..................................................................................................................82

7.4.1 DMA中断状态寄存器(DMA_ISR)...........................................................................82

7.4.2 DMA中断标志清除寄存器(DMA_IFCR) .................................................................82

7.4.3 DMA通道x配置寄存器(DMA_CCRx)(x = 1…7) .....................................................83

7.4.4 DMA通道x传输数量寄存器(DMA_CNDTRx)(x = 1…7)..........................................85

7.4.5 DMA通道x外设地址寄存器(DMA_CPARx)(x = 1…7) ............................................85

7.4.6 DMA通道x存储器地址寄存器(DMA_CPARx)(x = 1…7).........................................85

7.5 DMA寄存器映像 ...........................................................................................................86

8 实时时钟（RTC） ......................................................................................................................88

8.1 简介..............................................................................................................................88

8.2 主要特性.......................................................................................................................88

8.3 功能描述.......................................................................................................................88

8.3.1 概述.......................................................................................................................88

8.3.2 复位过程 ...............................................................................................................90

8.3.3 读RTC寄存器 ........................................................................................................90

8.3.4 配置RTC寄存器.....................................................................................................90

8.3.5 RTC标志的设置.....................................................................................................90

8.4 RTC寄存器描述............................................................................................................91

8.4.1 RTC控制寄存器高位（RTC_CRH） .....................................................................91

8.4.2 RTC控制寄存器低位（RTC_CRL）......................................................................92

8.4.3 RTC预分频装载寄存器（RTC_PRLH/RTC_PRLL）.............................................93

8.4.4 RTC预分频分频因子寄存器(RTC_DIVH / RTC_DIVL) ..........................................94

8.4.5 RTC计数器寄存器 (RTC_CNTH / RTC_CNTL) .....................................................95

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