Module stm32h7::stm32h747cm7::rtc

Expand description

RTC

Modules

This register can be written only when ALRAWF is set to 1 in RTC_ISR, or in initialization mode.This register is write protected. The write access procedure is described in RTC register write protection on page9.

alrmssr

This register can be written only when ALRAE is reset in RTC_CR register, or in initialization mode.This register is write protected. The write access procedure is described in RTC register write protection on page9

bkpr

RTC backup registers

calr

This register is write protected. The write access procedure is described in RTC register write protection on page9.

cr

RTC control register

dr

The RTC_DR is the calendar date shadow register. This register must be written in initialization mode only. Refer to Calendar initialization and configuration on page9 and Reading the calendar on page10.This register is write protected. The write access procedure is described in RTC register write protection on page9.

isr

This register is write protected (except for RTC_ISR[13:8] bits). The write access procedure is described in RTC register write protection on page9.

or

RTC option register

prer

This register must be written in initialization mode only. The initialization must be performed in two separate write accesses. Refer to Calendar initialization and configuration on page9.This register is write protected. The write access procedure is described in RTC register write protection on page9.

shiftr

This register is write protected. The write access procedure is described in RTC register write protection on page9.

ssr

RTC sub second register

tampcr

RTC tamper and alternate function configuration register

tr

The RTC_TR is the calendar time shadow register. This register must be written in initialization mode only. Refer to Calendar initialization and configuration on page9 and Reading the calendar on page10.This register is write protected. The write access procedure is described in RTC register write protection on page9.

tsdr

The content of this register is valid only when TSF is set to 1 in RTC_ISR. It is cleared when TSF bit is reset.

tsssr

The content of this register is valid only when RTC_ISR/TSF is set. It is cleared when the RTC_ISR/TSF bit is reset.

tstr

The content of this register is valid only when TSF is set to 1 in RTC_ISR. It is cleared when TSF bit is reset.

wpr

RTC write protection register

wutr

This register can be written only when WUTWF is set to 1 in RTC_ISR.This register is write protected. The write access procedure is described in RTC register write protection on page9.