AN3371 datasheet(40/45 Pages) STMICROELECTRONICS

40 / 45 page

RTC firmware driver API

AN3371

40/45

Doc ID 018624 Rev 5

RTC backup registers functions

RTC_WriteBackupRegis

ter

Writes data in a specified RTC

backup data register.

Yes

RTC_ReadBackupRegis

ter

Reads data from the specified RTC

backup data register.

Yes

RTC tamper, timestamp pins selection functions

RTC_OutputTypeConfig

Configures the RTC output pin

mode (OpenDrain / PushPull).

Yes

RTC_TimeStampPinSel

ection

Selects the RTC time-stamp pin.

Yes

RTC_TamperPinSelecti

Selects the RTC tamper pin.

Yes

RTC Shift control synchronization

RTC_SynchroShiftConfi

Configures the synchronization

shift control settings.

Yes

RTC flags and interrupts functions

RTC_ITConfig

Enables or disables the specified

RTC interrupts.

Yes

RTC_GetFlagStatus

Checks whether the specified RTC

flag is set or not.

Yes

RTC_ClearFlag

Clears the RTC pending flags.

Yes

RTC_GetITStatus

Checks whether the specified RTC

interrupt has occurred or not.

Yes

RTC_ClearITPendingBit

Clears the RTC interrupt pending

bits.

Yes

Table 16.

RTC function groups (continued)

Group

Function name

Description

ULPM

density

ULPH

density

series

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