STM32F439xx HAL User Manual
Modules | Functions
RCCEx
STM32F4xx_HAL_Driver

RCCEx HAL module driver. More...

Modules

 RCCEx Exported Functions
 RCCEx Exported Types
 RCCEx Exported Constants
 RCCEx Exported Macros
 RCCEx Private Constants
 RCCEx Private Macros

Functions

HAL_StatusTypeDef HAL_RCC_DeInit (void)
 Resets the RCC clock configuration to the default reset state.

Detailed Description

RCCEx HAL module driver.


Function Documentation

HAL_StatusTypeDef HAL_RCC_DeInit ( void  )

Resets the RCC clock configuration to the default reset state.

Note:
The default reset state of the clock configuration is given below:
  • HSI ON and used as system clock source
  • HSE, PLL, PLLI2S and PLLSAI OFF
  • AHB, APB1 and APB2 prescaler set to 1.
  • CSS, MCO1 and MCO2 OFF
  • All interrupts disabled
This function doesn't modify the configuration of the
  • Peripheral clocks
  • LSI, LSE and RTC clocks
Return values:
HALstatus

Definition at line 3149 of file stm32f4xx_hal_rcc_ex.c.

References CLOCKSWITCH_TIMEOUT_VALUE, HAL_GetTick(), HAL_InitTick(), HSE_TIMEOUT_VALUE, HSI_TIMEOUT_VALUE, HSI_VALUE, PLL_TIMEOUT_VALUE, PLLI2S_TIMEOUT_VALUE, PLLSAI_TIMEOUT_VALUE, and TICK_INT_PRIORITY.