ST STM32F2 User Manual

UM1940
HAL PWR Generic Driver
DocID028236 Rev 2
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wakeup event was received
from the WKUP pin or from the
RTC alarm (Alarm A or Alarm
B), RTC Tamper event, RTC
TimeStamp event or RTC
Wakeup. An additional wakeup
event is detected if the WKUP
pin is enabled (by setting the
EWUP bit) when the WKUP pin
level is already high.
PWR_FLAG_SB: StandBy flag.
This flag indicates that the
system was resumed from
StandBy mode.
PWR_FLAG_PVDO: PVD
Output. This flag is valid only if
PVD is enabled by the
HAL_PWR_EnablePVD()
function. The PVD is stopped by
Standby mode For this reason,
this bit is equal to 0 after
Standby or reset until the PVDE
bit is set.
PWR_FLAG_BRR: Backup
regulator ready flag. This bit is
not reset when the device
wakes up from Standby mode or
by a system reset or power
reset.
Return value:
The: new state of __FLAG__ (TRUE
or FALSE).
__HAL_PWR_CLEAR_FLAG
Description:
Clear the PWR's pending flags.
Parameters:
__FLAG__: specifies the flag to
clear. This parameter can be one of
the following values:
PWR_FLAG_WU: Wake Up flag
PWR_FLAG_SB: StandBy flag
__HAL_PWR_PVD_EXTI_ENABLE_IT
Description:
Enable the PVD Exti Line 16.
Return value:
None.
__HAL_PWR_PVD_EXTI_DISABLE_IT
Description:
Disable the PVD EXTI Line 16.
Return value:

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English