RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE); /*WWDG时钟使能*/ WWDG_SetPrescaler(fprer); /*设置IWDG预分频值*/ WWDG_SetWindowValue(wr); /*设置窗口值*/ WWDG_CNT=tr&WWDG_CNT; /* 初始化WWDG_CNT. */ WWDG_Enable(WWDG_CNT); /*使能看门狗 , 设置 counter . */ WWDG_ClearFlag()...
独立看门狗配置代码如下: if(RCC_GetFlagStatus(RCC_FLAG_IWDGRST) !=RESET) { RCC_ClearFlag(); } IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable); IWDG_SetPrescaler(IWDG_Prescaler_128); IWDG_SetReload(LsiFreq/128);//1sIWDG_ReloadCounter(); IWDG_Enable(); 窗口看门狗 使用PCLK1时钟。睡眠模式下,时钟...
(VREFINT) 17 3.11 Timers and watchdogs 18 3.11.1 3.11.2 3.11.3 3.11.4 3.11.5 3.11.6 Advanced-control timer (TIM1) 18 General-purpose timers (TIM3, TIM14..17) 19 Basic timer TIM6 19 Independent watchdog (IWDG) 19 System window watchdog (WWDG) 20 SysTick timer 20 3.12 3.13 3.14...
Independent watchdog (IWDG) The independent watchdog is based on an 8-bit prescaler and 12-bit downcounter with user-defined refresh window. It is clocked from an independent 40 kHz internal RC and as it operates independently from the main clock, it can operate in Stop and Standby modes....
IWDG min/max timeout period at 40 kHz (LSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Table 58. WWDG min/max timeout value at 48 MHz (PCLK). . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
3.11.4 Independent watchdog (IWDG) The independent watchdog is based on an 8-bit prescaler and 12-bit downcounter with user-defined refresh window. It is clocked from an independent 40 kHz internal RC and as it operates independently from the main clock, it can operate in Stop and Standby...
Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.11.5 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.11.6 SysTick timer . . . . . . . . ....
July2013DocID024849Rev11/88 STM32F030x4STM32F030x6 STM32F030x8 Value-lineARM-based32-bitMCUwith16to64-KBFlash,timers, ADC,communicationinterfaces,2.4-3.6Voperation Datasheet targetspecification Features Core:ARM ® 32-bitCortex™-M0CPU, ...
3.11.4 Independent watchdog (IWDG) The independent watchdog is based on an 8-bit prescaler and 12-bit downcounter with user-defined refresh window. It is clocked from an independent 40 kHz internal RC and as it operates independently from the main clock, it can operate in Stop and Standby...
STM32F030x4/x6/x8/xC微控制器采用高性能的Arm.Cortex.-M032位RISC内核,工作频率为48MHz,具有高速嵌入式存储器(高达256KB闪存和高达32KBSRAM),以及大量增强型外设和I/O。所有器件都提供标准的通信接口(最多两个I2C,最多两个SPI和最多六个USART),一个12位ADC,七个通用的16位定时器和一个高级控制PWM定时器。