在stm32f10x_rcc.h中一下这些都是偏移量么 是不是映射在peripheral 1M区的地址偏移量 寄存器地址？     #define RCC_APB2Periph_AFIO              ((uint32_t)0x00000001)
#define RCC_APB2Periph_GPIOA             ((uint32_t)0x00000004)
#define RCC_APB2Periph_GPIOB             ((uint32_t)0x00000008)
#define RCC_APB2Periph_GPIOC             ((uint32_t)0x00000010)
#define RCC_APB2Periph_GPIOD             ((uint32_t)0x00000020)
#define RCC_APB2Periph_GPIOE             ((uint32_t)0x00000040)
#define RCC_APB2Periph_GPIOF             ((uint32_t)0x00000080)
#define RCC_APB2Periph_GPIOG             ((uint32_t)0x00000100)
#define RCC_APB2Periph_ADC1              ((uint32_t)0x00000200)
#define RCC_APB2Periph_ADC2              ((uint32_t)0x00000400)
#define RCC_APB2Periph_TIM1              ((uint32_t)0x00000800)
#define RCC_APB2Periph_SPI1              ((uint32_t)0x00001000)
#define RCC_APB2Periph_TIM8              ((uint32_t)0x00002000)
#define RCC_APB2Periph_USART1            ((uint32_t)0x00004000)
#define RCC_APB2Periph_ADC3              ((uint32_t)0x00008000)
#define RCC_APB2Periph_TIM15             ((uint32_t)0x00010000)
#define RCC_APB2Periph_TIM16             ((uint32_t)0x00020000)
#define RCC_APB2Periph_TIM17             ((uint32_t)0x00040000)
#define RCC_APB2Periph_TIM9              ((uint32_t)0x00080000)
#define RCC_APB2Periph_TIM10             ((uint32_t)0x00100000)
#define RCC_APB2Periph_TIM11             ((uint32_t)0x00200000) [ 本帖最后由 duzhiming 于 2012-4-26 11:21 编辑 ] 此帖出自小平头技术问答