时基单元寄存器:13.4.10 TIM1和TIM8计数器(TIMx_CNT);13.4.11 TIM1和TIM8预分频器(TIMx_PSC...
RCC_Configuration(); RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR|RCC_APB1Periph_BKP,ENABLE ); GPIO_Configuration(); EXTI_Configuration(); RTC_Configuration (); NVIC_Configuration(); SysTick_Configuration(); while (1) { Delay(200) ;/*延时2s*/ RTC_ClearFlag(RTC_FLAG_SEC); /*清秒中断标志...
(BKP) 120 9.1 简介 120 9.2 特性 120 9.3 侵入检测 120 9.4 RTC校准 121 9.5 BKP寄存器描述 121 9.5.1 备份数据寄存器x(BKP_DRx) (x = 1 … 10) 121 9.5.2 RTC时钟校准寄存器(BKP_RTCCR ) 122 9.5.3 备份控制寄存器(BKP_CR) 122 9.5.4 备份控制/状态寄存器(BKP_CSR) 123 9.6 BKP寄存器映像 ...
相关代码如下:void RTC_Configuration(void){ PWR_BackupAccessCmd(ENABLE);//允许访问BKP BKP_ClearFlag...
A 20-bit prescaler is used for the time base clock and is by default configured to generate a time ba f 1 second from a clock at 32.768 kHz. 2.3.17 Timers and watchdogs The high-density STM32F103xx performance line devices include up to two advanced- control timers, up to four general...
9.4.3 库函数BKP_TamperPinCmd (117) 9.4.4 库函数BKP_ITConfig (117) 9.4.5 库函数BKP_RTCOutputConfig (117) 9.4.6 库函数BKP_SetRTCCalibrationValue (118) 9.4.7 库函数BKP_WriteBackupRegister (118) 9.4.8 库函数BKP_ReadBackupRegister (119) ...
BKP Reserved BxCAN Shared USB/CAN SRAM 512 bytes USB registers I2C2 I2C1 UART5 UART4 USART3 USART2 Reserved SPI3/I2S3 SPI2/I2S2 Reserved IWDG WWDG RTC Reserved TIM7 TIM6 TIM5 0x3FFF FFFF 0x2001 0000 0x2000 FFFF TIM4 TIM3 TIM2 0xA000 1000 - 0xBFFF FFFF 0xA000 0000 - 0xA0...
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //设置DMA内存地址,ADC转换结果直接放入该地址 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //外设设置为数据传输的来源 DMA_InitStructure.DMA_BufferSize = 1; //DMA缓冲区设置为1; ...
9.5.2函数TIM_TimeBaseInit 9.5.3函数TIM_OC1Init 9.5.4函数TIM_OC2Init 9.5.5函数TIM_OC3Init 9.5.6函数TIM_OC4Init 9.5.7函数TIM_Cmd 9.5.8函数TIM_ITConfig 9.5.9函数TIM_OC1PreloadConfig 9.5.10函数TIM_OC2PreloadConfig 9.5.11函数TIM_OC3PreloadConfig 9.5.12函数TIM_OC4Pr...