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ST STM32G0 1 Series User Manual

ST STM32G0 1 Series
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Contents RM0444
28/1390 RM0444 Rev 5
30.3.13 RTC smooth digital calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 885
30.3.14 Timestamp function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 887
30.3.15 Calibration clock output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888
30.3.16 Tamper and alarm output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888
30.4 RTC low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 889
30.5 RTC interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 890
30.6 RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 890
30.6.1 RTC time register (RTC_TR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 890
30.6.2 RTC date register (RTC_DR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 891
30.6.3 RTC sub second register (RTC_SSR) . . . . . . . . . . . . . . . . . . . . . . . . . 892
30.6.4 RTC initialization control and status register (RTC_ICSR) . . . . . . . . . 892
30.6.5 RTC prescaler register (RTC_PRER) . . . . . . . . . . . . . . . . . . . . . . . . . 894
30.6.6 RTC wakeup timer register (RTC_WUTR) . . . . . . . . . . . . . . . . . . . . . . 895
30.6.7 RTC control register (RTC_CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 895
30.6.8 RTC write protection register (RTC_WPR) . . . . . . . . . . . . . . . . . . . . . 898
30.6.9 RTC calibration register (RTC_CALR) . . . . . . . . . . . . . . . . . . . . . . . . . 899
30.6.10 RTC shift control register (RTC_SHIFTR) . . . . . . . . . . . . . . . . . . . . . . 900
30.6.11 RTC timestamp time register (RTC_TSTR) . . . . . . . . . . . . . . . . . . . . . 901
30.6.12 RTC timestamp date register (RTC_TSDR) . . . . . . . . . . . . . . . . . . . . 901
30.6.13 RTC timestamp sub second register (RTC_TSSSR) . . . . . . . . . . . . . . 902
30.6.14 RTC alarm A register (RTC_ALRMAR) . . . . . . . . . . . . . . . . . . . . . . . . 903
30.6.15 RTC alarm A sub second register (RTC_ALRMASSR) . . . . . . . . . . . . 904
30.6.16 RTC alarm B register (RTC_ALRMBR) . . . . . . . . . . . . . . . . . . . . . . . . 905
30.6.17 RTC alarm B sub second register (RTC_ALRMBSSR) . . . . . . . . . . . . 906
30.6.18 RTC status register (RTC_SR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906
30.6.19 RTC masked interrupt status register (RTC_MISR) . . . . . . . . . . . . . . 907
30.6.20 RTC status clear register (RTC_SCR) . . . . . . . . . . . . . . . . . . . . . . . . . 908
30.6.21 RTC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 910
31 Tamper and backup registers (TAMP) . . . . . . . . . . . . . . . . . . . . . . . . . 912
31.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 912
31.2 TAMP main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 912
31.3 TAMP functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913
31.3.1 TAMP block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 913
31.3.2 TAMP pins and internal signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 914
31.3.3 TAMP register write protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 914

Table of Contents

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ST STM32G0 1 Series Specifications

General IconGeneral
BrandST
ModelSTM32G0 1 Series
CategoryMicrocontrollers
LanguageEnglish

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