STM32F37 Standard Peripheral bibliotheek  1.0
ST Microelectronics bibliotheek documentatie voor de STM32F37 Standard Peripheral Library
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Backup Domain Access function

Backup Domain Access function. More...

Functions

void PWR_DeInit (void)
 Deinitializes the PWR peripheral registers to their default reset values. More...
 
void PWR_BackupAccessCmd (FunctionalState NewState)
 Enables or disables access to the Backup domain registers. More...
 

Detailed Description

Backup Domain Access function.

  ==============================================================================
                   ##### Backup Domain Access function #####
  ==============================================================================

    [..] After reset, the Backup Domain Registers (RCC BDCR Register, RTC registers
         and RTC backup registers) are protected against possible stray write accesses.
    [..] To enable access to Backup domain use the PWR_BackupAccessCmd(ENABLE) function.

Function Documentation

void PWR_BackupAccessCmd ( FunctionalState  NewState)

Enables or disables access to the Backup domain registers.

Note
If the HSE divided by 32 is used as the RTC clock, the Backup Domain Access should be kept enabled.
Parameters
NewState,:new state of the access to the Backup domain registers. This parameter can be: ENABLE or DISABLE.
Return values
None
void PWR_DeInit ( void  )

Deinitializes the PWR peripheral registers to their default reset values.

Parameters
None
Return values
None