ST STM32F31xx

Reset and clock control (RCC)
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DocID023800 Rev 1
18.2.8.8 RCC_RTCCLKCmd
Function Name
void RCC_RTCCLKCmd ( FunctionalState NewState)
Function Description
Enables or disables the RTC clock.
Parameters
 NewState : new state of the RTC clock. This parameter can
be: ENABLE or DISABLE.
Return values
 None.
Notes
 This function must be used only after the RTC clock source
was selected using the RCC_RTCCLKConfig function.
18.2.8.9 RCC_BackupResetCmd
Function Name
void RCC_BackupResetCmd ( FunctionalState NewState)
Function Description
Forces or releases the Backup domain reset.
Parameters
 NewState : new state of the Backup domain reset. This
parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 This function resets the RTC peripheral (including the backup
registers) and the RTC clock source selection in RCC_BDCR
register.
18.2.8.10 RCC_AHBPeriphClockCmd
Function Name
void RCC_AHBPeriphClockCmd ( uint32_t RCC_AHBPeriph,
FunctionalState NewState)
Function Description
Enables or disables the AHB peripheral clock.
Parameters
 RCC_AHBPeriph : specifies the AHB peripheral to gates its
clock. This parameter can be any combination of the following
values:
 RCC_AHBPeriph_GPIOA :