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DocID024597 Rev 5 277/1830

RM0351 Reset and clock control (RCC)

278

0x78

RCC_

APB1SM

ENR1

LPTIM1SMEN

OPAMPSMEN

DAC1SMEN

PWRSMEN

Res.

CAN2SMEN

CAN1SMEN

CRSSMEN

I2C3SMEN

I2C2SMEN

I2C1SMEN

UART5SMEN

UART4SMEN

USART3SMEN

USART2SMEN

Res.

SP3SMEN

SPI2SMEN

Res.

WWDGSMEN

Res.

LCDSMEN

Res.

TIM7SMEN

TIM6SMEN

TIM5SMEN

TIM4SMEN

TIM3SMEN

TIM2SMEN

Reset value

1111 1111111111 11 1 1 111111

0x7C

RCC_

APB1SM

ENR2

Res.

LPTIM2SMEN

Res.

SWPMI1SMEN

I2C4SMEN

LPUART1SMEN

Reset value

1 111

0x80

RCC_

APB2SMENR

Res.

DFSDM1SMEN

Res.

SAI2SMEN

SAI1SMEN

Res.

TIM17SMEN

TIM16SMEN

TIM15SMEN

Res.

USART1SMEN

TIM8SMEN

SPI1SMEN

TIM1SMEN

SDMMC1SMEN

Res.

SYSCFGSMEN

Reset value

1 11 111 11111 1

0x88

RCC_CCIPR

DFSDM1SEL

SWPMI1SEL

ADCSEL

CLK48SEL

SAI2SEL

SAI1SEL

LPTIM2SEL

LPTIM1SEL

I2C3SEL

I2C2SEL

I2C1SEL

LPUART1SEL

UART5SEL

UART4SEL

USART3SEL

USART2SEL

USART1SEL

Reset value

00000000000000000000000000000000

0x90

RCC_BDCR

Res.

LSCOSEL

LSCOEN

Res.

BDRST

RTCEN

Res.

RTC

SEL

[1:0]

Res.

LSECSSD

LSECSSON

LSE

DRV

[1:0]

LSEBYP

LSERDY

LSEON

Reset value

00 00 00 0000000

0x94

RCC_CSR

LPWRRSTF

WWDGRSTF

IWDGRSTF

SFTRSTF

BORRSTF

PINRSTF

OBLRSTF

FIREWALLRSTF

RMVF

Res.

MSIS

RANGE

[3:0]

Res.

LSIRDY

LSION

Reset value

000000000 0110 00

0x98

RCC_CRRCR

Res.

HSI48CAL[8:0]

Res.

HSI48RDY

HSI48ON

Reset value

xxxxxxxxx 00

Table 34. RCC register map and reset values (continued)

Off-

set

Brand	ST
Model	STM32L4 5 Series
Category	Microcontrollers
Language	English

ST STM32L4 5 Series User Manual

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ST STM32L4 5 Series Specifications

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