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ST STM32F10 Series User Manual

ST STM32F10 Series
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UM0306 Real-Time Clock (RTC)
129/519
8.4.4 RTC prescaler divider register (RTC_DIVH / RTC_DIVL)
During each period of TR_CLK, the counter inside the RTC prescaler is reloaded with the
value stored in the RTC_PRL register. To get an accurate time measurement it is possible to
read the current value of the prescaler counter, stored in the RTC_DIV register, without
stopping it. This register is read-only and it is reloaded by hardware after any change in the
RTC_PRL or RTC_CNT registers.
RTC prescaler divider register high (RTC_DIVH)
Address Offset: 10h
Reset value: 0000h
RTC prescaler divider register low (RTC_DIVL)
Address Offset: 14h
Reset value: 8000h
1514131211109876 5 43210
Reserved RTC_DIV[19:16]
rrrr
Bits 15:4 Reserved
Bits 3:0 RTC_DIV[19:16]: RTC Clock Divider High
1514131211109876 5 43210
RTC_DIV[15:0]
rrrrrrrrrr r rrrrr
Bits 15:0 RTC_DIV[15:0]: RTC Clock Divider Low
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ST STM32F10 Series Specifications

General IconGeneral
BrandST
ModelSTM32F10 Series
CategoryMicrocontrollers
LanguageEnglish

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