mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Revision:
156:95d6b41a828b
Child:
180:96ed750bd169
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_rcc.h	Mon Jan 16 15:03:32 2017 +0000
@@ -0,0 +1,2267 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_ll_rcc.h
+  * @author  MCD Application Team
+  * @version V1.4.0
+  * @date    27-May-2016
+  * @brief   Header file of RCC LL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_LL_RCC_H
+#define __STM32F0xx_LL_RCC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx.h"
+
+/** @addtogroup STM32F0xx_LL_Driver
+  * @{
+  */
+
+#if defined(RCC)
+
+/** @defgroup RCC_LL RCC
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/** @defgroup RCC_LL_Private_Variables RCC Private Variables
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup RCC_LL_Private_Constants RCC Private Constants
+  * @{
+  */
+/* Defines used for the bit position in the register and perform offsets*/
+#define RCC_POSITION_HPRE       (uint32_t)4U  /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_PPRE1      (uint32_t)8U  /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_PLLMUL     (uint32_t)18U /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_HSICAL     (uint32_t)8U  /*!< field position in register RCC_CR */
+#define RCC_POSITION_HSITRIM    (uint32_t)3U  /*!< field position in register RCC_CR */
+#define RCC_POSITION_HSI14TRIM  (uint32_t)3U  /*!< field position in register RCC_CR2 */
+#define RCC_POSITION_HSI14CAL   (uint32_t)8U  /*!< field position in register RCC_CR2 */
+#if defined(RCC_HSI48_SUPPORT)
+#define RCC_POSITION_HSI48CAL   (uint32_t)24U /*!< field position in register RCC_CR2 */
+#endif /* RCC_HSI48_SUPPORT */
+#define RCC_POSITION_USART1SW   (uint32_t)0U  /*!< field position in register RCC_CFGR3 */
+#define RCC_POSITION_USART2SW   (uint32_t)16U /*!< field position in register RCC_CFGR3 */
+#define RCC_POSITION_USART3SW   (uint32_t)18U /*!< field position in register RCC_CFGR3 */
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_Private_Macros RCC Private Macros
+  * @{
+  */
+/**
+  * @}
+  */
+#endif /*USE_FULL_LL_DRIVER*/
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_Exported_Types RCC Exported Types
+  * @{
+  */
+
+/** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
+  * @{
+  */
+
+/**
+  * @brief  RCC Clocks Frequency Structure
+  */
+typedef struct
+{
+  uint32_t SYSCLK_Frequency;        /*!< SYSCLK clock frequency */
+  uint32_t HCLK_Frequency;          /*!< HCLK clock frequency */
+  uint32_t PCLK1_Frequency;         /*!< PCLK1 clock frequency */
+} LL_RCC_ClocksTypeDef;
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+#endif /* USE_FULL_LL_DRIVER */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
+  * @{
+  */
+
+/** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
+  * @brief    Defines used to adapt values of different oscillators
+  * @note     These values could be modified in the user environment according to
+  *           HW set-up.
+  * @{
+  */
+#if !defined  (HSE_VALUE)
+#define HSE_VALUE    ((uint32_t)8000000U)  /*!< Value of the HSE oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (HSI_VALUE)
+#define HSI_VALUE    ((uint32_t)8000000U) /*!< Value of the HSI oscillator in Hz */
+#endif /* HSI_VALUE */
+
+#if !defined  (LSE_VALUE)
+#define LSE_VALUE    ((uint32_t)32768U)    /*!< Value of the LSE oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#if !defined  (LSI_VALUE)
+#define LSI_VALUE    ((uint32_t)32000U)    /*!< Value of the LSI oscillator in Hz */
+#endif /* LSI_VALUE */
+#if defined(RCC_HSI48_SUPPORT)
+
+#if !defined  (HSI48_VALUE)
+#define HSI48_VALUE  ((uint32_t)48000000U) /*!< Value of the HSI48 oscillator in Hz */
+#endif /* HSI48_VALUE */
+#endif /* RCC_HSI48_SUPPORT */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
+  * @brief    Flags defines which can be used with LL_RCC_WriteReg function
+  * @{
+  */
+#define LL_RCC_CIR_LSIRDYC                RCC_CIR_LSIRDYC     /*!< LSI Ready Interrupt Clear */
+#define LL_RCC_CIR_LSERDYC                RCC_CIR_LSERDYC     /*!< LSE Ready Interrupt Clear */
+#define LL_RCC_CIR_HSIRDYC                RCC_CIR_HSIRDYC     /*!< HSI Ready Interrupt Clear */
+#define LL_RCC_CIR_HSERDYC                RCC_CIR_HSERDYC     /*!< HSE Ready Interrupt Clear */
+#define LL_RCC_CIR_PLLRDYC                RCC_CIR_PLLRDYC     /*!< PLL Ready Interrupt Clear */
+#define LL_RCC_CIR_HSI14RDYC               RCC_CIR_HSI14RDYC  /*!< HSI14 Ready Interrupt Clear */
+#if defined(RCC_HSI48_SUPPORT)
+#define LL_RCC_CIR_HSI48RDYC               RCC_CIR_HSI48RDYC  /*!< HSI48 Ready Interrupt Clear */
+#endif /* RCC_HSI48_SUPPORT */
+#define LL_RCC_CIR_CSSC                   RCC_CIR_CSSC        /*!< Clock Security System Interrupt Clear */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
+  * @brief    Flags defines which can be used with LL_RCC_ReadReg function
+  * @{
+  */
+#define LL_RCC_CIR_LSIRDYF                RCC_CIR_LSIRDYF     /*!< LSI Ready Interrupt flag */
+#define LL_RCC_CIR_LSERDYF                RCC_CIR_LSERDYF     /*!< LSE Ready Interrupt flag */
+#define LL_RCC_CIR_HSIRDYF                RCC_CIR_HSIRDYF     /*!< HSI Ready Interrupt flag */
+#define LL_RCC_CIR_HSERDYF                RCC_CIR_HSERDYF     /*!< HSE Ready Interrupt flag */
+#define LL_RCC_CIR_PLLRDYF                RCC_CIR_PLLRDYF     /*!< PLL Ready Interrupt flag */
+#define LL_RCC_CIR_HSI14RDYF               RCC_CIR_HSI14RDYF  /*!< HSI14 Ready Interrupt flag */
+#if defined(RCC_HSI48_SUPPORT)
+#define LL_RCC_CIR_HSI48RDYF               RCC_CIR_HSI48RDYF  /*!< HSI48 Ready Interrupt flag */
+#endif /* RCC_HSI48_SUPPORT */
+#define LL_RCC_CIR_CSSF                   RCC_CIR_CSSF       /*!< Clock Security System Interrupt flag */
+#define LL_RCC_CSR_OBLRSTF                RCC_CSR_OBLRSTF         /*!< OBL reset flag */
+#define LL_RCC_CSR_PINRSTF                RCC_CSR_PINRSTF         /*!< PIN reset flag */
+#define LL_RCC_CSR_PORRSTF                RCC_CSR_PORRSTF         /*!< POR/PDR reset flag */
+#define LL_RCC_CSR_SFTRSTF                RCC_CSR_SFTRSTF         /*!< Software Reset flag */
+#define LL_RCC_CSR_IWDGRSTF               RCC_CSR_IWDGRSTF        /*!< Independent Watchdog reset flag */
+#define LL_RCC_CSR_WWDGRSTF               RCC_CSR_WWDGRSTF        /*!< Window watchdog reset flag */
+#define LL_RCC_CSR_LPWRRSTF               RCC_CSR_LPWRRSTF        /*!< Low-Power reset flag */
+#if defined(RCC_CSR_V18PWRRSTF)
+#define LL_RCC_CSR_V18PWRRSTF             RCC_CSR_V18PWRRSTF      /*!< Reset flag of the 1.8 V domain. */
+#endif /* RCC_CSR_V18PWRRSTF */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_IT IT Defines
+  * @brief    IT defines which can be used with LL_RCC_ReadReg and  LL_RCC_WriteReg functions
+  * @{
+  */
+#define LL_RCC_CIR_LSIRDYIE               RCC_CIR_LSIRDYIE      /*!< LSI Ready Interrupt Enable */
+#define LL_RCC_CIR_LSERDYIE               RCC_CIR_LSERDYIE      /*!< LSE Ready Interrupt Enable */
+#define LL_RCC_CIR_HSIRDYIE               RCC_CIR_HSIRDYIE      /*!< HSI Ready Interrupt Enable */
+#define LL_RCC_CIR_HSERDYIE               RCC_CIR_HSERDYIE      /*!< HSE Ready Interrupt Enable */
+#define LL_RCC_CIR_PLLRDYIE               RCC_CIR_PLLRDYIE      /*!< PLL Ready Interrupt Enable */
+#define LL_RCC_CIR_HSI14RDYIE              RCC_CIR_HSI14RDYIE   /*!< HSI14 Ready Interrupt Enable */
+#if defined(RCC_HSI48_SUPPORT)
+#define LL_RCC_CIR_HSI48RDYIE              RCC_CIR_HSI48RDYIE   /*!< HSI48 Ready Interrupt Enable */
+#endif /* RCC_HSI48_SUPPORT */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_LSEDRIVE  LSE oscillator drive capability
+  * @{
+  */
+#define LL_RCC_LSEDRIVE_LOW                ((uint32_t)0x00000000U) /*!< Xtal mode lower driving capability */
+#define LL_RCC_LSEDRIVE_MEDIUMLOW          RCC_BDCR_LSEDRV_1 /*!< Xtal mode medium low driving capability */
+#define LL_RCC_LSEDRIVE_MEDIUMHIGH         RCC_BDCR_LSEDRV_0 /*!< Xtal mode medium high driving capability */
+#define LL_RCC_LSEDRIVE_HIGH               RCC_BDCR_LSEDRV   /*!< Xtal mode higher driving capability */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_SYS_CLKSOURCE  System clock switch
+  * @{
+  */
+#define LL_RCC_SYS_CLKSOURCE_HSI           RCC_CFGR_SW_HSI    /*!< HSI selection as system clock */
+#define LL_RCC_SYS_CLKSOURCE_HSE           RCC_CFGR_SW_HSE    /*!< HSE selection as system clock */
+#define LL_RCC_SYS_CLKSOURCE_PLL           RCC_CFGR_SW_PLL    /*!< PLL selection as system clock */
+#if defined(RCC_CFGR_SW_HSI48)
+#define LL_RCC_SYS_CLKSOURCE_HSI48         RCC_CFGR_SW_HSI48  /*!< HSI48 selection as system clock */
+#endif /* RCC_CFGR_SW_HSI48 */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS  System clock switch status
+  * @{
+  */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI    RCC_CFGR_SWS_HSI   /*!< HSI used as system clock */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_HSE    RCC_CFGR_SWS_HSE   /*!< HSE used as system clock */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_PLL    RCC_CFGR_SWS_PLL   /*!< PLL used as system clock */
+#if defined(RCC_CFGR_SWS_HSI48)
+#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI48  RCC_CFGR_SWS_HSI48 /*!< HSI48 used as system clock */
+#endif /* RCC_CFGR_SWS_HSI48 */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_SYSCLK_DIV  AHB prescaler
+  * @{
+  */
+#define LL_RCC_SYSCLK_DIV_1                RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
+#define LL_RCC_SYSCLK_DIV_2                RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
+#define LL_RCC_SYSCLK_DIV_4                RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
+#define LL_RCC_SYSCLK_DIV_8                RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
+#define LL_RCC_SYSCLK_DIV_16               RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
+#define LL_RCC_SYSCLK_DIV_64               RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
+#define LL_RCC_SYSCLK_DIV_128              RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
+#define LL_RCC_SYSCLK_DIV_256              RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
+#define LL_RCC_SYSCLK_DIV_512              RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_APB1_DIV  APB low-speed prescaler (APB1)
+  * @{
+  */
+#define LL_RCC_APB1_DIV_1                  RCC_CFGR_PPRE_DIV1  /*!< HCLK not divided */
+#define LL_RCC_APB1_DIV_2                  RCC_CFGR_PPRE_DIV2  /*!< HCLK divided by 2 */
+#define LL_RCC_APB1_DIV_4                  RCC_CFGR_PPRE_DIV4  /*!< HCLK divided by 4 */
+#define LL_RCC_APB1_DIV_8                  RCC_CFGR_PPRE_DIV8  /*!< HCLK divided by 8 */
+#define LL_RCC_APB1_DIV_16                 RCC_CFGR_PPRE_DIV16 /*!< HCLK divided by 16 */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_MCO1SOURCE  MCO1 SOURCE selection
+  * @{
+  */
+#define LL_RCC_MCO1SOURCE_NOCLOCK          RCC_CFGR_MCOSEL_NOCLOCK      /*!< MCO output disabled, no clock on MCO */
+#define LL_RCC_MCO1SOURCE_HSI14            RCC_CFGR_MCOSEL_HSI14        /*!< HSI14 oscillator clock selected */
+#define LL_RCC_MCO1SOURCE_SYSCLK           RCC_CFGR_MCOSEL_SYSCLK       /*!< SYSCLK selection as MCO source */
+#define LL_RCC_MCO1SOURCE_HSI              RCC_CFGR_MCOSEL_HSI          /*!< HSI selection as MCO source */
+#define LL_RCC_MCO1SOURCE_HSE              RCC_CFGR_MCOSEL_HSE          /*!< HSE selection as MCO source */
+#define LL_RCC_MCO1SOURCE_LSI              RCC_CFGR_MCOSEL_LSI          /*!< LSI selection as MCO source */
+#define LL_RCC_MCO1SOURCE_LSE              RCC_CFGR_MCOSEL_LSE          /*!< LSE selection as MCO source */
+#if defined(RCC_CFGR_MCOSEL_HSI48)
+#define LL_RCC_MCO1SOURCE_HSI48            RCC_CFGR_MCOSEL_HSI48        /*!< HSI48 selection as MCO source */
+#endif /* RCC_CFGR_MCOSEL_HSI48 */
+#define LL_RCC_MCO1SOURCE_PLLCLK_DIV_2     RCC_CFGR_MCOSEL_PLL_DIV2     /*!< PLL clock divided by 2*/
+#if defined(RCC_CFGR_PLLNODIV)
+#define LL_RCC_MCO1SOURCE_PLLCLK           (RCC_CFGR_MCOSEL_PLL_DIV2 | RCC_CFGR_PLLNODIV) /*!< PLL clock selected*/
+#endif /* RCC_CFGR_PLLNODIV */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_MCO1_DIV  MCO1 prescaler
+  * @{
+  */
+#define LL_RCC_MCO1_DIV_1                  ((uint32_t)0x00000000U)/*!< MCO Clock divided by 1 */
+#if defined(RCC_CFGR_MCOPRE)
+#define LL_RCC_MCO1_DIV_2                  RCC_CFGR_MCOPRE_DIV2   /*!< MCO Clock divided by 2 */
+#define LL_RCC_MCO1_DIV_4                  RCC_CFGR_MCOPRE_DIV4   /*!< MCO Clock divided by 4 */
+#define LL_RCC_MCO1_DIV_8                  RCC_CFGR_MCOPRE_DIV8   /*!< MCO Clock divided by 8 */
+#define LL_RCC_MCO1_DIV_16                 RCC_CFGR_MCOPRE_DIV16  /*!< MCO Clock divided by 16 */
+#define LL_RCC_MCO1_DIV_32                 RCC_CFGR_MCOPRE_DIV32  /*!< MCO Clock divided by 32 */
+#define LL_RCC_MCO1_DIV_64                 RCC_CFGR_MCOPRE_DIV64  /*!< MCO Clock divided by 64 */
+#define LL_RCC_MCO1_DIV_128                RCC_CFGR_MCOPRE_DIV128 /*!< MCO Clock divided by 128 */
+#endif /* RCC_CFGR_MCOPRE */
+/**
+  * @}
+  */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
+  * @{
+  */
+#define LL_RCC_PERIPH_FREQUENCY_NO         (uint32_t)0x00000000U      /*!< No clock enabled for the peripheral            */
+#define LL_RCC_PERIPH_FREQUENCY_NA         (uint32_t)0xFFFFFFFFU      /*!< Frequency cannot be provided as external clock */
+/**
+  * @}
+  */
+#endif /* USE_FULL_LL_DRIVER */
+
+/** @defgroup RCC_LL_EC_USART1_CLKSOURCE Peripheral USART clock source selection
+  * @{
+  */
+#define LL_RCC_USART1_CLKSOURCE_PCLK1      (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_PCLK)   /*!< PCLK1 clock used as USART1 clock source */
+#define LL_RCC_USART1_CLKSOURCE_SYSCLK     (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_SYSCLK) /*!< System clock selected as USART1 clock source */
+#define LL_RCC_USART1_CLKSOURCE_LSE        (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_LSE)    /*!< LSE oscillator clock used as USART1 clock source */
+#define LL_RCC_USART1_CLKSOURCE_HSI        (uint32_t)((RCC_POSITION_USART1SW << 24) | RCC_CFGR3_USART1SW_HSI)    /*!< HSI oscillator clock used as USART1 clock source */
+#if defined(RCC_CFGR3_USART2SW)
+#define LL_RCC_USART2_CLKSOURCE_PCLK1      (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_PCLK)   /*!< PCLK1 clock used as USART2 clock source */
+#define LL_RCC_USART2_CLKSOURCE_SYSCLK     (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_SYSCLK) /*!< System clock selected as USART2 clock source */
+#define LL_RCC_USART2_CLKSOURCE_LSE        (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_LSE)    /*!< LSE oscillator clock used as USART2 clock source */
+#define LL_RCC_USART2_CLKSOURCE_HSI        (uint32_t)((RCC_POSITION_USART2SW << 24) | RCC_CFGR3_USART2SW_HSI)    /*!< HSI oscillator clock used as USART2 clock source */
+#endif /* RCC_CFGR3_USART2SW */
+#if defined(RCC_CFGR3_USART3SW)
+#define LL_RCC_USART3_CLKSOURCE_PCLK1      (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_PCLK)   /*!< PCLK1 clock used as USART3 clock source */
+#define LL_RCC_USART3_CLKSOURCE_SYSCLK     (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_SYSCLK) /*!< System clock selected as USART3 clock source */
+#define LL_RCC_USART3_CLKSOURCE_LSE        (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_LSE)    /*!< LSE oscillator clock used as USART3 clock source */
+#define LL_RCC_USART3_CLKSOURCE_HSI        (uint32_t)((RCC_POSITION_USART3SW << 24) | RCC_CFGR3_USART3SW_HSI)    /*!< HSI oscillator clock used as USART3 clock source */
+#endif /* RCC_CFGR3_USART3SW */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_I2C1_CLKSOURCE Peripheral I2C clock source selection
+  * @{
+  */
+#define LL_RCC_I2C1_CLKSOURCE_HSI          RCC_CFGR3_I2C1SW_HSI    /*!< HSI oscillator clock used as I2C1 clock source */
+#define LL_RCC_I2C1_CLKSOURCE_SYSCLK       RCC_CFGR3_I2C1SW_SYSCLK /*!< System clock selected as I2C1 clock source */
+/**
+  * @}
+  */
+
+#if defined(CEC)
+/** @defgroup RCC_LL_EC_CEC_CLKSOURCE Peripheral CEC clock source selection
+  * @{
+  */
+#define LL_RCC_CEC_CLKSOURCE_HSI_DIV244    RCC_CFGR3_CECSW_HSI_DIV244 /*!< HSI clock divided by 244 selected as HDMI CEC entry clock source */
+#define LL_RCC_CEC_CLKSOURCE_LSE           RCC_CFGR3_CECSW_LSE        /*!< LSE clock selected as HDMI CEC entry clock source */
+/**
+  * @}
+  */
+
+#endif /* CEC */
+
+#if defined(USB)
+/** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection
+  * @{
+  */
+#if defined(RCC_CFGR3_USBSW_HSI48)
+#define LL_RCC_USB_CLKSOURCE_HSI48         RCC_CFGR3_USBSW_HSI48   /*!< HSI48 oscillator clock used as USB clock source */
+#else
+#define LL_RCC_USB_CLKSOURCE_NONE          ((uint32_t)0x00000000)  /*!< USB Clock disabled */
+#endif /*RCC_CFGR3_USBSW_HSI48*/
+#define LL_RCC_USB_CLKSOURCE_PLL           RCC_CFGR3_USBSW_PLLCLK  /*!< PLL selected as USB clock source */
+/**
+  * @}
+  */
+
+#endif /* USB */
+
+/** @defgroup RCC_LL_EC_USART1 Peripheral USART get clock source
+  * @{
+  */
+#define LL_RCC_USART1_CLKSOURCE            RCC_POSITION_USART1SW /*!< USART1 Clock source selection */
+#if defined(RCC_CFGR3_USART2SW)
+#define LL_RCC_USART2_CLKSOURCE            RCC_POSITION_USART2SW /*!< USART2 Clock source selection */
+#endif /* RCC_CFGR3_USART2SW */
+#if defined(RCC_CFGR3_USART3SW)
+#define LL_RCC_USART3_CLKSOURCE            RCC_POSITION_USART3SW /*!< USART3 Clock source selection */
+#endif /* RCC_CFGR3_USART3SW */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_I2C1 Peripheral I2C get clock source
+  * @{
+  */
+#define LL_RCC_I2C1_CLKSOURCE              RCC_CFGR3_I2C1SW     /*!< I2C1 Clock source selection */
+/**
+  * @}
+  */
+
+#if defined(CEC)
+/** @defgroup RCC_LL_EC_CEC Peripheral CEC get clock source
+  * @{
+  */
+#define LL_RCC_CEC_CLKSOURCE               RCC_CFGR3_CECSW            /*!< CEC Clock source selection */
+/**
+  * @}
+  */
+#endif /* CEC */
+
+#if defined(USB)
+/** @defgroup RCC_LL_EC_USB Peripheral USB get clock source
+  * @{
+  */
+#define LL_RCC_USB_CLKSOURCE               RCC_CFGR3_USBSW         /*!< USB Clock source selection */
+/**
+  * @}
+  */
+#endif /* USB */
+
+/** @defgroup RCC_LL_EC_RTC_CLKSOURCE  RTC clock source selection
+  * @{
+  */
+#define LL_RCC_RTC_CLKSOURCE_NONE          (uint32_t)0x00000000U         /*!< No clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_LSE           RCC_BDCR_RTCSEL_0       /*!< LSE oscillator clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_LSI           RCC_BDCR_RTCSEL_1       /*!< LSI oscillator clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_HSE_DIV32     RCC_BDCR_RTCSEL         /*!< HSE oscillator clock divided by 32 used as RTC clock */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
+  * @{
+  */
+#define LL_RCC_PLL_MUL_2                   RCC_CFGR_PLLMUL2  /*!< PLL input clock*2 */
+#define LL_RCC_PLL_MUL_3                   RCC_CFGR_PLLMUL3  /*!< PLL input clock*3 */
+#define LL_RCC_PLL_MUL_4                   RCC_CFGR_PLLMUL4  /*!< PLL input clock*4 */
+#define LL_RCC_PLL_MUL_5                   RCC_CFGR_PLLMUL5  /*!< PLL input clock*5 */
+#define LL_RCC_PLL_MUL_6                   RCC_CFGR_PLLMUL6  /*!< PLL input clock*6 */
+#define LL_RCC_PLL_MUL_7                   RCC_CFGR_PLLMUL7  /*!< PLL input clock*7 */
+#define LL_RCC_PLL_MUL_8                   RCC_CFGR_PLLMUL8  /*!< PLL input clock*8 */
+#define LL_RCC_PLL_MUL_9                   RCC_CFGR_PLLMUL9  /*!< PLL input clock*9 */
+#define LL_RCC_PLL_MUL_10                  RCC_CFGR_PLLMUL10  /*!< PLL input clock*10 */
+#define LL_RCC_PLL_MUL_11                  RCC_CFGR_PLLMUL11  /*!< PLL input clock*11 */
+#define LL_RCC_PLL_MUL_12                  RCC_CFGR_PLLMUL12  /*!< PLL input clock*12 */
+#define LL_RCC_PLL_MUL_13                  RCC_CFGR_PLLMUL13  /*!< PLL input clock*13 */
+#define LL_RCC_PLL_MUL_14                  RCC_CFGR_PLLMUL14  /*!< PLL input clock*14 */
+#define LL_RCC_PLL_MUL_15                  RCC_CFGR_PLLMUL15  /*!< PLL input clock*15 */
+#define LL_RCC_PLL_MUL_16                  RCC_CFGR_PLLMUL16  /*!< PLL input clock*16 */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
+  * @{
+  */
+#define LL_RCC_PLLSOURCE_HSE               RCC_CFGR_PLLSRC_HSE_PREDIV                    /*!< HSE/PREDIV clock selected as PLL entry clock source */
+#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
+#define LL_RCC_PLLSOURCE_HSI               RCC_CFGR_PLLSRC_HSI_PREDIV                    /*!< HSI/PREDIV clock selected as PLL entry clock source */
+#if defined(RCC_CFGR_SW_HSI48)
+#define LL_RCC_PLLSOURCE_HSI48             RCC_CFGR_PLLSRC_HSI48_PREDIV                  /*!< HSI48/PREDIV clock selected as PLL entry clock source */
+#endif /* RCC_CFGR_SW_HSI48 */
+#else
+#define LL_RCC_PLLSOURCE_HSI_DIV_2         RCC_CFGR_PLLSRC_HSI_DIV2                      /*!< HSI clock divided by 2 selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_1         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV1)    /*!< HSE clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_2         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV2)    /*!< HSE/2 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_3         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV3)    /*!< HSE/3 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_4         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV4)    /*!< HSE/4 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_5         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV5)    /*!< HSE/5 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_6         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV6)    /*!< HSE/6 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_7         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV7)    /*!< HSE/7 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_8         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV8)    /*!< HSE/8 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_9         (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV9)    /*!< HSE/9 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_10        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV10)   /*!< HSE/10 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_11        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV11)   /*!< HSE/11 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_12        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV12)   /*!< HSE/12 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_13        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV13)   /*!< HSE/13 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_14        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV14)   /*!< HSE/14 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_15        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV15)   /*!< HSE/15 clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE_DIV_16        (RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR2_PREDIV_DIV16)   /*!< HSE/16 clock selected as PLL entry clock source */
+#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EC_PREDIV_DIV PREDIV Division factor
+  * @{
+  */
+#define LL_RCC_PREDIV_DIV_1                RCC_CFGR2_PREDIV_DIV1   /*!< PREDIV input clock not divided */
+#define LL_RCC_PREDIV_DIV_2                RCC_CFGR2_PREDIV_DIV2   /*!< PREDIV input clock divided by 2 */
+#define LL_RCC_PREDIV_DIV_3                RCC_CFGR2_PREDIV_DIV3   /*!< PREDIV input clock divided by 3 */
+#define LL_RCC_PREDIV_DIV_4                RCC_CFGR2_PREDIV_DIV4   /*!< PREDIV input clock divided by 4 */
+#define LL_RCC_PREDIV_DIV_5                RCC_CFGR2_PREDIV_DIV5   /*!< PREDIV input clock divided by 5 */
+#define LL_RCC_PREDIV_DIV_6                RCC_CFGR2_PREDIV_DIV6   /*!< PREDIV input clock divided by 6 */
+#define LL_RCC_PREDIV_DIV_7                RCC_CFGR2_PREDIV_DIV7   /*!< PREDIV input clock divided by 7 */
+#define LL_RCC_PREDIV_DIV_8                RCC_CFGR2_PREDIV_DIV8   /*!< PREDIV input clock divided by 8 */
+#define LL_RCC_PREDIV_DIV_9                RCC_CFGR2_PREDIV_DIV9   /*!< PREDIV input clock divided by 9 */
+#define LL_RCC_PREDIV_DIV_10               RCC_CFGR2_PREDIV_DIV10  /*!< PREDIV input clock divided by 10 */
+#define LL_RCC_PREDIV_DIV_11               RCC_CFGR2_PREDIV_DIV11  /*!< PREDIV input clock divided by 11 */
+#define LL_RCC_PREDIV_DIV_12               RCC_CFGR2_PREDIV_DIV12  /*!< PREDIV input clock divided by 12 */
+#define LL_RCC_PREDIV_DIV_13               RCC_CFGR2_PREDIV_DIV13  /*!< PREDIV input clock divided by 13 */
+#define LL_RCC_PREDIV_DIV_14               RCC_CFGR2_PREDIV_DIV14  /*!< PREDIV input clock divided by 14 */
+#define LL_RCC_PREDIV_DIV_15               RCC_CFGR2_PREDIV_DIV15  /*!< PREDIV input clock divided by 15 */
+#define LL_RCC_PREDIV_DIV_16               RCC_CFGR2_PREDIV_DIV16  /*!< PREDIV input clock divided by 16 */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
+  * @{
+  */
+
+/** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
+  * @{
+  */
+
+/**
+  * @brief  Write a value in RCC register
+  * @param  __REG__ Register to be written
+  * @param  __VALUE__ Value to be written in the register
+  * @retval None
+  */
+#define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
+
+/**
+  * @brief  Read a value in RCC register
+  * @param  __REG__ Register to be read
+  * @retval Register value
+  */
+#define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
+  * @{
+  */
+
+#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
+/**
+  * @brief  Helper macro to calculate the PLLCLK frequency
+  * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE, @ref LL_RCC_PLL_GetMultiplicator()
+  *             , @ref LL_RCC_PLL_GetPrediv());
+  * @param  __INPUTFREQ__ PLL Input frequency (based on HSE/HSI/HSI48)
+  * @param  __PLLMUL__: This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLL_MUL_2
+  *         @arg @ref LL_RCC_PLL_MUL_3
+  *         @arg @ref LL_RCC_PLL_MUL_4
+  *         @arg @ref LL_RCC_PLL_MUL_5
+  *         @arg @ref LL_RCC_PLL_MUL_6
+  *         @arg @ref LL_RCC_PLL_MUL_7
+  *         @arg @ref LL_RCC_PLL_MUL_8
+  *         @arg @ref LL_RCC_PLL_MUL_9
+  *         @arg @ref LL_RCC_PLL_MUL_10
+  *         @arg @ref LL_RCC_PLL_MUL_11
+  *         @arg @ref LL_RCC_PLL_MUL_12
+  *         @arg @ref LL_RCC_PLL_MUL_13
+  *         @arg @ref LL_RCC_PLL_MUL_14
+  *         @arg @ref LL_RCC_PLL_MUL_15
+  *         @arg @ref LL_RCC_PLL_MUL_16
+  * @param  __PLLPREDIV__: This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PREDIV_DIV_1
+  *         @arg @ref LL_RCC_PREDIV_DIV_2
+  *         @arg @ref LL_RCC_PREDIV_DIV_3
+  *         @arg @ref LL_RCC_PREDIV_DIV_4
+  *         @arg @ref LL_RCC_PREDIV_DIV_5
+  *         @arg @ref LL_RCC_PREDIV_DIV_6
+  *         @arg @ref LL_RCC_PREDIV_DIV_7
+  *         @arg @ref LL_RCC_PREDIV_DIV_8
+  *         @arg @ref LL_RCC_PREDIV_DIV_9
+  *         @arg @ref LL_RCC_PREDIV_DIV_10
+  *         @arg @ref LL_RCC_PREDIV_DIV_11
+  *         @arg @ref LL_RCC_PREDIV_DIV_12
+  *         @arg @ref LL_RCC_PREDIV_DIV_13
+  *         @arg @ref LL_RCC_PREDIV_DIV_14
+  *         @arg @ref LL_RCC_PREDIV_DIV_15
+  *         @arg @ref LL_RCC_PREDIV_DIV_16
+  * @retval PLL clock frequency (in Hz)
+  */
+#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__, __PLLPREDIV__) \
+          (((__INPUTFREQ__) / ((((__PLLPREDIV__) & RCC_CFGR2_PREDIV) + 1U))) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
+
+#else
+/**
+  * @brief  Helper macro to calculate the PLLCLK frequency
+  * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE / (@ref LL_RCC_PLL_GetPrediv () + 1), @ref LL_RCC_PLL_GetMultiplicator());
+  * @param  __INPUTFREQ__ PLL Input frequency (based on HSE div Prediv / HSI div 2)
+  * @param  __PLLMUL__: This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLL_MUL_2
+  *         @arg @ref LL_RCC_PLL_MUL_3
+  *         @arg @ref LL_RCC_PLL_MUL_4
+  *         @arg @ref LL_RCC_PLL_MUL_5
+  *         @arg @ref LL_RCC_PLL_MUL_6
+  *         @arg @ref LL_RCC_PLL_MUL_7
+  *         @arg @ref LL_RCC_PLL_MUL_8
+  *         @arg @ref LL_RCC_PLL_MUL_9
+  *         @arg @ref LL_RCC_PLL_MUL_10
+  *         @arg @ref LL_RCC_PLL_MUL_11
+  *         @arg @ref LL_RCC_PLL_MUL_12
+  *         @arg @ref LL_RCC_PLL_MUL_13
+  *         @arg @ref LL_RCC_PLL_MUL_14
+  *         @arg @ref LL_RCC_PLL_MUL_15
+  *         @arg @ref LL_RCC_PLL_MUL_16
+  * @retval PLL clock frequency (in Hz)
+  */
+#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__) \
+          ((__INPUTFREQ__) * ((((__PLLMUL__) & RCC_CFGR_PLLMUL) >> RCC_POSITION_PLLMUL) + 2U))
+#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
+/**
+  * @brief  Helper macro to calculate the HCLK frequency
+  * @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
+  *        ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
+  * @param  __SYSCLKFREQ__ SYSCLK frequency (based on HSE/HSI/PLLCLK)
+  * @param  __AHBPRESCALER__: This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_SYSCLK_DIV_1
+  *         @arg @ref LL_RCC_SYSCLK_DIV_2
+  *         @arg @ref LL_RCC_SYSCLK_DIV_4
+  *         @arg @ref LL_RCC_SYSCLK_DIV_8
+  *         @arg @ref LL_RCC_SYSCLK_DIV_16
+  *         @arg @ref LL_RCC_SYSCLK_DIV_64
+  *         @arg @ref LL_RCC_SYSCLK_DIV_128
+  *         @arg @ref LL_RCC_SYSCLK_DIV_256
+  *         @arg @ref LL_RCC_SYSCLK_DIV_512
+  * @retval HCLK clock frequency (in Hz)
+  */
+#define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >>  RCC_POSITION_HPRE])
+
+/**
+  * @brief  Helper macro to calculate the PCLK1 frequency (ABP1)
+  * @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
+  *        ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
+  * @param  __HCLKFREQ__ HCLK frequency
+  * @param  __APB1PRESCALER__: This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_APB1_DIV_1
+  *         @arg @ref LL_RCC_APB1_DIV_2
+  *         @arg @ref LL_RCC_APB1_DIV_4
+  *         @arg @ref LL_RCC_APB1_DIV_8
+  *         @arg @ref LL_RCC_APB1_DIV_16
+  * @retval PCLK1 clock frequency (in Hz)
+  */
+#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >>  RCC_POSITION_PPRE1])
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
+  * @{
+  */
+
+/** @defgroup RCC_LL_EF_HSE HSE
+  * @{
+  */
+
+/**
+  * @brief  Enable the Clock Security System.
+  * @rmtoll CR           CSSON         LL_RCC_HSE_EnableCSS
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
+{
+  SET_BIT(RCC->CR, RCC_CR_CSSON);
+}
+
+/**
+  * @brief  Disable the Clock Security System.
+  * @note Cannot be disabled in HSE is ready (only by hardware)
+  * @rmtoll CR           CSSON         LL_RCC_HSE_DisableCSS
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_DisableCSS(void)
+{
+  CLEAR_BIT(RCC->CR, RCC_CR_CSSON);
+}
+
+/**
+  * @brief  Enable HSE external oscillator (HSE Bypass)
+  * @rmtoll CR           HSEBYP        LL_RCC_HSE_EnableBypass
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
+{
+  SET_BIT(RCC->CR, RCC_CR_HSEBYP);
+}
+
+/**
+  * @brief  Disable HSE external oscillator (HSE Bypass)
+  * @rmtoll CR           HSEBYP        LL_RCC_HSE_DisableBypass
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
+{
+  CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
+}
+
+/**
+  * @brief  Enable HSE crystal oscillator (HSE ON)
+  * @rmtoll CR           HSEON         LL_RCC_HSE_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_Enable(void)
+{
+  SET_BIT(RCC->CR, RCC_CR_HSEON);
+}
+
+/**
+  * @brief  Disable HSE crystal oscillator (HSE ON)
+  * @rmtoll CR           HSEON         LL_RCC_HSE_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSE_Disable(void)
+{
+  CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
+}
+
+/**
+  * @brief  Check if HSE oscillator Ready
+  * @rmtoll CR           HSERDY        LL_RCC_HSE_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
+{
+  return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_HSI HSI
+  * @{
+  */
+
+/**
+  * @brief  Enable HSI oscillator
+  * @rmtoll CR           HSION         LL_RCC_HSI_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI_Enable(void)
+{
+  SET_BIT(RCC->CR, RCC_CR_HSION);
+}
+
+/**
+  * @brief  Disable HSI oscillator
+  * @rmtoll CR           HSION         LL_RCC_HSI_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI_Disable(void)
+{
+  CLEAR_BIT(RCC->CR, RCC_CR_HSION);
+}
+
+/**
+  * @brief  Check if HSI clock is ready
+  * @rmtoll CR           HSIRDY        LL_RCC_HSI_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
+{
+  return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
+}
+
+/**
+  * @brief  Get HSI Calibration value
+  * @note When HSITRIM is written, HSICAL is updated with the sum of
+  *       HSITRIM and the factory trim value
+  * @rmtoll CR        HSICAL        LL_RCC_HSI_GetCalibration
+  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSICAL) >> RCC_POSITION_HSICAL);
+}
+
+/**
+  * @brief  Set HSI Calibration trimming
+  * @note user-programmable trimming value that is added to the HSICAL
+  * @note Default value is 16, which, when added to the HSICAL value,
+  *       should trim the HSI to 16 MHz +/- 1 %
+  * @rmtoll CR        HSITRIM       LL_RCC_HSI_SetCalibTrimming
+  * @param  Value between Min_Data = 0x00 and Max_Data = 0x1F
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
+{
+  MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, Value << RCC_POSITION_HSITRIM);
+}
+
+/**
+  * @brief  Get HSI Calibration trimming
+  * @rmtoll CR        HSITRIM       LL_RCC_HSI_GetCalibTrimming
+  * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_HSITRIM) >> RCC_POSITION_HSITRIM);
+}
+
+/**
+  * @}
+  */
+
+#if defined(RCC_HSI48_SUPPORT)
+/** @defgroup RCC_LL_EF_HSI48 HSI48
+  * @{
+  */
+
+/**
+  * @brief  Enable HSI48
+  * @rmtoll CR2          HSI48ON       LL_RCC_HSI48_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI48_Enable(void)
+{
+  SET_BIT(RCC->CR2, RCC_CR2_HSI48ON);
+}
+
+/**
+  * @brief  Disable HSI48
+  * @rmtoll CR2          HSI48ON       LL_RCC_HSI48_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI48_Disable(void)
+{
+  CLEAR_BIT(RCC->CR2, RCC_CR2_HSI48ON);
+}
+
+/**
+  * @brief  Check if HSI48 oscillator Ready
+  * @rmtoll CR2          HSI48RDY      LL_RCC_HSI48_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI48_IsReady(void)
+{
+  return (READ_BIT(RCC->CR2, RCC_CR2_HSI48RDY) == (RCC_CR2_HSI48RDY));
+}
+
+/**
+  * @brief  Get HSI48 Calibration value
+  * @rmtoll CR2          HSI48CAL      LL_RCC_HSI48_GetCalibration
+  * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI48_GetCalibration(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI48CAL) >> RCC_POSITION_HSI48CAL);
+}
+
+/**
+  * @}
+  */
+
+#endif /* RCC_HSI48_SUPPORT */
+
+/** @defgroup RCC_LL_EF_HSI14 HSI14
+  * @{
+  */
+
+/**
+  * @brief  Enable HSI14
+  * @rmtoll CR2          HSI14ON       LL_RCC_HSI14_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI14_Enable(void)
+{
+  SET_BIT(RCC->CR2, RCC_CR2_HSI14ON);
+}
+
+/**
+  * @brief  Disable HSI14
+  * @rmtoll CR2          HSI14ON       LL_RCC_HSI14_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI14_Disable(void)
+{
+  CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14ON);
+}
+
+/**
+  * @brief  Check if HSI14 oscillator Ready
+  * @rmtoll CR2          HSI14RDY      LL_RCC_HSI14_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI14_IsReady(void)
+{
+  return (READ_BIT(RCC->CR2, RCC_CR2_HSI14RDY) == (RCC_CR2_HSI14RDY));
+}
+
+/**
+  * @brief  ADC interface can turn on the HSI14 oscillator
+  * @rmtoll CR2          HSI14DIS      LL_RCC_HSI14_EnableADCControl
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI14_EnableADCControl(void)
+{
+  CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14DIS);
+}
+
+/**
+  * @brief  ADC interface can not turn on the HSI14 oscillator
+  * @rmtoll CR2          HSI14DIS      LL_RCC_HSI14_DisableADCControl
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI14_DisableADCControl(void)
+{
+  SET_BIT(RCC->CR2, RCC_CR2_HSI14DIS);
+}
+
+/**
+  * @brief  Set HSI14 Calibration trimming
+  * @note user-programmable trimming value that is added to the HSI14CAL
+  * @note Default value is 16, which, when added to the HSI14CAL value,
+  *       should trim the HSI14 to 14 MHz +/- 1 %
+  * @rmtoll CR2          HSI14TRIM     LL_RCC_HSI14_SetCalibTrimming
+  * @param  Value between Min_Data = 0x00 and Max_Data = 0xFF
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_HSI14_SetCalibTrimming(uint32_t Value)
+{
+  MODIFY_REG(RCC->CR2, RCC_CR2_HSI14TRIM, Value << RCC_POSITION_HSI14TRIM);
+}
+
+/**
+  * @brief  Get HSI14 Calibration value
+  * @note When HSI14TRIM is written, HSI14CAL is updated with the sum of
+  *       HSI14TRIM and the factory trim value
+  * @rmtoll CR2          HSI14TRIM     LL_RCC_HSI14_GetCalibTrimming
+  * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI14_GetCalibTrimming(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI14TRIM) >> RCC_POSITION_HSI14TRIM);
+}
+
+/**
+  * @brief  Get HSI14 Calibration trimming
+  * @rmtoll CR2          HSI14CAL      LL_RCC_HSI14_GetCalibration
+  * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
+  */
+__STATIC_INLINE uint32_t LL_RCC_HSI14_GetCalibration(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CR2, RCC_CR2_HSI14CAL) >> RCC_POSITION_HSI14CAL);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_LSE LSE
+  * @{
+  */
+
+/**
+  * @brief  Enable  Low Speed External (LSE) crystal.
+  * @rmtoll BDCR         LSEON         LL_RCC_LSE_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSE_Enable(void)
+{
+  SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);
+}
+
+/**
+  * @brief  Disable  Low Speed External (LSE) crystal.
+  * @rmtoll BDCR         LSEON         LL_RCC_LSE_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSE_Disable(void)
+{
+  CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);
+}
+
+/**
+  * @brief  Enable external clock source (LSE bypass).
+  * @rmtoll BDCR         LSEBYP        LL_RCC_LSE_EnableBypass
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
+{
+  SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
+}
+
+/**
+  * @brief  Disable external clock source (LSE bypass).
+  * @rmtoll BDCR         LSEBYP        LL_RCC_LSE_DisableBypass
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
+{
+  CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);
+}
+
+/**
+  * @brief  Set LSE oscillator drive capability
+  * @note The oscillator is in Xtal mode when it is not in bypass mode.
+  * @rmtoll BDCR         LSEDRV        LL_RCC_LSE_SetDriveCapability
+  * @param  LSEDrive This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_LSEDRIVE_LOW
+  *         @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
+  *         @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
+  *         @arg @ref LL_RCC_LSEDRIVE_HIGH
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive)
+{
+  MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, LSEDrive);
+}
+
+/**
+  * @brief  Get LSE oscillator drive capability
+  * @rmtoll BDCR         LSEDRV        LL_RCC_LSE_GetDriveCapability
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_LSEDRIVE_LOW
+  *         @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW
+  *         @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH
+  *         @arg @ref LL_RCC_LSEDRIVE_HIGH
+  */
+__STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void)
+{
+  return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_LSEDRV));
+}
+
+/**
+  * @brief  Check if LSE oscillator Ready
+  * @rmtoll BDCR         LSERDY        LL_RCC_LSE_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
+{
+  return (READ_BIT(RCC->BDCR, RCC_BDCR_LSERDY) == (RCC_BDCR_LSERDY));
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_LSI LSI
+  * @{
+  */
+
+/**
+  * @brief  Enable LSI Oscillator
+  * @rmtoll CSR          LSION         LL_RCC_LSI_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSI_Enable(void)
+{
+  SET_BIT(RCC->CSR, RCC_CSR_LSION);
+}
+
+/**
+  * @brief  Disable LSI Oscillator
+  * @rmtoll CSR          LSION         LL_RCC_LSI_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_LSI_Disable(void)
+{
+  CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
+}
+
+/**
+  * @brief  Check if LSI is Ready
+  * @rmtoll CSR          LSIRDY        LL_RCC_LSI_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_System System
+  * @{
+  */
+
+/**
+  * @brief  Configure the system clock source
+  * @rmtoll CFGR         SW            LL_RCC_SetSysClkSource
+  * @param  Source This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_HSI48 (*)
+  *
+  *         (*) value not defined in all devices
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
+{
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
+}
+
+/**
+  * @brief  Get the system clock source
+  * @rmtoll CFGR         SWS           LL_RCC_GetSysClkSource
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
+  *         @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI48 (*)
+  *
+  *         (*) value not defined in all devices
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
+}
+
+/**
+  * @brief  Set AHB prescaler
+  * @rmtoll CFGR         HPRE          LL_RCC_SetAHBPrescaler
+  * @param  Prescaler This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_SYSCLK_DIV_1
+  *         @arg @ref LL_RCC_SYSCLK_DIV_2
+  *         @arg @ref LL_RCC_SYSCLK_DIV_4
+  *         @arg @ref LL_RCC_SYSCLK_DIV_8
+  *         @arg @ref LL_RCC_SYSCLK_DIV_16
+  *         @arg @ref LL_RCC_SYSCLK_DIV_64
+  *         @arg @ref LL_RCC_SYSCLK_DIV_128
+  *         @arg @ref LL_RCC_SYSCLK_DIV_256
+  *         @arg @ref LL_RCC_SYSCLK_DIV_512
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
+{
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
+}
+
+/**
+  * @brief  Set APB1 prescaler
+  * @rmtoll CFGR         PPRE         LL_RCC_SetAPB1Prescaler
+  * @param  Prescaler This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_APB1_DIV_1
+  *         @arg @ref LL_RCC_APB1_DIV_2
+  *         @arg @ref LL_RCC_APB1_DIV_4
+  *         @arg @ref LL_RCC_APB1_DIV_8
+  *         @arg @ref LL_RCC_APB1_DIV_16
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
+{
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE, Prescaler);
+}
+
+/**
+  * @brief  Get AHB prescaler
+  * @rmtoll CFGR         HPRE          LL_RCC_GetAHBPrescaler
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_SYSCLK_DIV_1
+  *         @arg @ref LL_RCC_SYSCLK_DIV_2
+  *         @arg @ref LL_RCC_SYSCLK_DIV_4
+  *         @arg @ref LL_RCC_SYSCLK_DIV_8
+  *         @arg @ref LL_RCC_SYSCLK_DIV_16
+  *         @arg @ref LL_RCC_SYSCLK_DIV_64
+  *         @arg @ref LL_RCC_SYSCLK_DIV_128
+  *         @arg @ref LL_RCC_SYSCLK_DIV_256
+  *         @arg @ref LL_RCC_SYSCLK_DIV_512
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
+}
+
+/**
+  * @brief  Get APB1 prescaler
+  * @rmtoll CFGR         PPRE         LL_RCC_GetAPB1Prescaler
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_APB1_DIV_1
+  *         @arg @ref LL_RCC_APB1_DIV_2
+  *         @arg @ref LL_RCC_APB1_DIV_4
+  *         @arg @ref LL_RCC_APB1_DIV_8
+  *         @arg @ref LL_RCC_APB1_DIV_16
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE));
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_MCO MCO
+  * @{
+  */
+
+/**
+  * @brief  Configure MCOx
+  * @rmtoll CFGR         MCO           LL_RCC_ConfigMCO\n
+  *         CFGR         MCOPRE        LL_RCC_ConfigMCO\n
+  *         CFGR         PLLNODIV      LL_RCC_ConfigMCO
+  * @param  MCOxSource This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
+  *         @arg @ref LL_RCC_MCO1SOURCE_HSI14
+  *         @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
+  *         @arg @ref LL_RCC_MCO1SOURCE_HSI
+  *         @arg @ref LL_RCC_MCO1SOURCE_HSE
+  *         @arg @ref LL_RCC_MCO1SOURCE_LSI
+  *         @arg @ref LL_RCC_MCO1SOURCE_LSE
+  *         @arg @ref LL_RCC_MCO1SOURCE_HSI48 (*)
+  *         @arg @ref LL_RCC_MCO1SOURCE_PLLCLK (*)
+  *         @arg @ref LL_RCC_MCO1SOURCE_PLLCLK_DIV_2
+  *
+  *         (*) value not defined in all devices
+  * @param  MCOxPrescaler This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_MCO1_DIV_1
+  *         @arg @ref LL_RCC_MCO1_DIV_2 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_4 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_8 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_16 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_32 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_64 (*)
+  *         @arg @ref LL_RCC_MCO1_DIV_128 (*)
+  *
+  *         (*) value not defined in all devices
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
+{
+#if defined(RCC_CFGR_MCOPRE)
+#if defined(RCC_CFGR_PLLNODIV)
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE | RCC_CFGR_PLLNODIV, MCOxSource | MCOxPrescaler);
+#else
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
+#endif /* RCC_CFGR_PLLNODIV */
+#else
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL, MCOxSource);
+#endif /* RCC_CFGR_MCOPRE */
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_Peripheral_Clock_Source Peripheral Clock Source
+  * @{
+  */
+
+/**
+  * @brief  Configure USARTx clock source
+  * @rmtoll CFGR3        USART1SW      LL_RCC_SetUSARTClockSource\n
+  *         CFGR3        USART2SW      LL_RCC_SetUSARTClockSource\n
+  *         CFGR3        USART3SW      LL_RCC_SetUSARTClockSource
+  * @param  USARTxSource This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
+  *
+  *         (*) value not defined in all devices.
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource)
+{
+  MODIFY_REG(RCC->CFGR3, (RCC_CFGR3_USART1SW << ((USARTxSource  & 0xFF000000U) >> 24U)), (USARTxSource & 0x00FFFFFFU));
+}
+
+/**
+  * @brief  Configure I2Cx clock source
+  * @rmtoll CFGR3        I2C1SW        LL_RCC_SetI2CClockSource
+  * @param  I2CxSource This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
+  *         @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource)
+{
+  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, I2CxSource);
+}
+
+#if defined(CEC)
+/**
+  * @brief  Configure CEC clock source
+  * @rmtoll CFGR3        CECSW         LL_RCC_SetCECClockSource
+  * @param  CECxSource This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
+  *         @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetCECClockSource(uint32_t CECxSource)
+{
+  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_CECSW, CECxSource);
+}
+#endif /* CEC */
+
+#if defined(USB)
+/**
+  * @brief  Configure USB clock source
+  * @rmtoll CFGR3        USBSW         LL_RCC_SetUSBClockSource
+  * @param  USBxSource This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL
+  *
+  *         (*) value not defined in all devices.
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource)
+{
+  MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USBSW, USBxSource);
+}
+#endif /* USB */
+
+/**
+  * @brief  Get USARTx clock source
+  * @rmtoll CFGR3        USART1SW      LL_RCC_GetUSARTClockSource\n
+  *         CFGR3        USART2SW      LL_RCC_GetUSARTClockSource\n
+  *         CFGR3        USART3SW      LL_RCC_GetUSARTClockSource
+  * @param  USARTx This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE (*)
+  *
+  *         (*) value not defined in all devices.
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK1
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_LSE
+  *         @arg @ref LL_RCC_USART1_CLKSOURCE_HSI
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_LSE (*)
+  *         @arg @ref LL_RCC_USART2_CLKSOURCE_HSI (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_PCLK1 (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_SYSCLK (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_LSE (*)
+  *         @arg @ref LL_RCC_USART3_CLKSOURCE_HSI (*)
+  *
+  *         (*) value not defined in all devices.
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR3, (RCC_CFGR3_USART1SW << USARTx)) | (USARTx << 24U));
+}
+
+/**
+  * @brief  Get I2Cx clock source
+  * @rmtoll CFGR3        I2C1SW        LL_RCC_GetI2CClockSource
+  * @param  I2Cx This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_I2C1_CLKSOURCE
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI
+  *         @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR3, I2Cx));
+}
+
+#if defined(CEC)
+/**
+  * @brief  Get CEC clock source
+  * @rmtoll CFGR3        CECSW         LL_RCC_GetCECClockSource
+  * @param  CECx This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_CEC_CLKSOURCE
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_CEC_CLKSOURCE_HSI_DIV244
+  *         @arg @ref LL_RCC_CEC_CLKSOURCE_LSE
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetCECClockSource(uint32_t CECx)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR3, CECx));
+}
+#endif /* CEC */
+
+#if defined(USB)
+/**
+  * @brief  Get USBx clock source
+  * @rmtoll CFGR3        USBSW         LL_RCC_GetUSBClockSource
+  * @param  USBx This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_USB_CLKSOURCE
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 (*)
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_NONE (*)
+  *         @arg @ref LL_RCC_USB_CLKSOURCE_PLL
+  *
+  *         (*) value not defined in all devices.
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR3, USBx));
+}
+#endif /* USB */
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_RTC RTC
+  * @{
+  */
+
+/**
+  * @brief  Set RTC Clock Source
+  * @note Once the RTC clock source has been selected, it cannot be changed any more unless
+  *       the Backup domain is reset. The BDRST bit can be used to reset them.
+  * @rmtoll BDCR         RTCSEL        LL_RCC_SetRTCClockSource
+  * @param  Source This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
+{
+  MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, Source);
+}
+
+/**
+  * @brief  Get RTC Clock Source
+  * @rmtoll BDCR         RTCSEL        LL_RCC_GetRTCClockSource
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
+  *         @arg @ref LL_RCC_RTC_CLKSOURCE_HSE_DIV32
+  */
+__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
+{
+  return (uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL));
+}
+
+/**
+  * @brief  Enable RTC
+  * @rmtoll BDCR         RTCEN         LL_RCC_EnableRTC
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableRTC(void)
+{
+  SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
+}
+
+/**
+  * @brief  Disable RTC
+  * @rmtoll BDCR         RTCEN         LL_RCC_DisableRTC
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableRTC(void)
+{
+  CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN);
+}
+
+/**
+  * @brief  Check if RTC has been enabled or not
+  * @rmtoll BDCR         RTCEN         LL_RCC_IsEnabledRTC
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
+{
+  return (READ_BIT(RCC->BDCR, RCC_BDCR_RTCEN) == (RCC_BDCR_RTCEN));
+}
+
+/**
+  * @brief  Force the Backup domain reset
+  * @rmtoll BDCR         BDRST         LL_RCC_ForceBackupDomainReset
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
+{
+  SET_BIT(RCC->BDCR, RCC_BDCR_BDRST);
+}
+
+/**
+  * @brief  Release the Backup domain reset
+  * @rmtoll BDCR         BDRST         LL_RCC_ReleaseBackupDomainReset
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
+{
+  CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_PLL PLL
+  * @{
+  */
+
+/**
+  * @brief  Enable PLL
+  * @rmtoll CR           PLLON         LL_RCC_PLL_Enable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_PLL_Enable(void)
+{
+  SET_BIT(RCC->CR, RCC_CR_PLLON);
+}
+
+/**
+  * @brief  Disable PLL
+  * @note Cannot be disabled if the PLL clock is used as the system clock
+  * @rmtoll CR           PLLON         LL_RCC_PLL_Disable
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_PLL_Disable(void)
+{
+  CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
+}
+
+/**
+  * @brief  Check if PLL Ready
+  * @rmtoll CR           PLLRDY        LL_RCC_PLL_IsReady
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
+{
+  return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
+}
+
+#if defined(RCC_PLLSRC_PREDIV1_SUPPORT)
+/**
+  * @brief  Configure PLL used for SYSCLK Domain
+  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_ConfigDomain_SYS\n
+  *         CFGR         PLLMUL        LL_RCC_PLL_ConfigDomain_SYS\n
+  *         CFGR2        PREDIV        LL_RCC_PLL_ConfigDomain_SYS
+  * @param  Source This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
+  *
+  *         (*) value not defined in all devices
+  * @param  PLLMul This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLL_MUL_2
+  *         @arg @ref LL_RCC_PLL_MUL_3
+  *         @arg @ref LL_RCC_PLL_MUL_4
+  *         @arg @ref LL_RCC_PLL_MUL_5
+  *         @arg @ref LL_RCC_PLL_MUL_6
+  *         @arg @ref LL_RCC_PLL_MUL_7
+  *         @arg @ref LL_RCC_PLL_MUL_8
+  *         @arg @ref LL_RCC_PLL_MUL_9
+  *         @arg @ref LL_RCC_PLL_MUL_10
+  *         @arg @ref LL_RCC_PLL_MUL_11
+  *         @arg @ref LL_RCC_PLL_MUL_12
+  *         @arg @ref LL_RCC_PLL_MUL_13
+  *         @arg @ref LL_RCC_PLL_MUL_14
+  *         @arg @ref LL_RCC_PLL_MUL_15
+  *         @arg @ref LL_RCC_PLL_MUL_16
+  * @param  PLLDiv This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PREDIV_DIV_1
+  *         @arg @ref LL_RCC_PREDIV_DIV_2
+  *         @arg @ref LL_RCC_PREDIV_DIV_3
+  *         @arg @ref LL_RCC_PREDIV_DIV_4
+  *         @arg @ref LL_RCC_PREDIV_DIV_5
+  *         @arg @ref LL_RCC_PREDIV_DIV_6
+  *         @arg @ref LL_RCC_PREDIV_DIV_7
+  *         @arg @ref LL_RCC_PREDIV_DIV_8
+  *         @arg @ref LL_RCC_PREDIV_DIV_9
+  *         @arg @ref LL_RCC_PREDIV_DIV_10
+  *         @arg @ref LL_RCC_PREDIV_DIV_11
+  *         @arg @ref LL_RCC_PREDIV_DIV_12
+  *         @arg @ref LL_RCC_PREDIV_DIV_13
+  *         @arg @ref LL_RCC_PREDIV_DIV_14
+  *         @arg @ref LL_RCC_PREDIV_DIV_15
+  *         @arg @ref LL_RCC_PREDIV_DIV_16
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul, uint32_t PLLDiv)
+{
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, Source | PLLMul);
+  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, PLLDiv);
+}
+
+#else
+
+/**
+  * @brief  Configure PLL used for SYSCLK Domain
+  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_ConfigDomain_SYS\n
+  *         CFGR         PLLMUL        LL_RCC_PLL_ConfigDomain_SYS\n
+  *         CFGR2        PREDIV        LL_RCC_PLL_ConfigDomain_SYS
+  * @param  Source This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_1
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_2
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_3
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_4
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_5
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_6
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_7
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_8
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_9
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_10
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_11
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_12
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_13
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_14
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_15
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE_DIV_16
+  * @param  PLLMul This parameter can be one of the following values:
+  *         @arg @ref LL_RCC_PLL_MUL_2
+  *         @arg @ref LL_RCC_PLL_MUL_3
+  *         @arg @ref LL_RCC_PLL_MUL_4
+  *         @arg @ref LL_RCC_PLL_MUL_5
+  *         @arg @ref LL_RCC_PLL_MUL_6
+  *         @arg @ref LL_RCC_PLL_MUL_7
+  *         @arg @ref LL_RCC_PLL_MUL_8
+  *         @arg @ref LL_RCC_PLL_MUL_9
+  *         @arg @ref LL_RCC_PLL_MUL_10
+  *         @arg @ref LL_RCC_PLL_MUL_11
+  *         @arg @ref LL_RCC_PLL_MUL_12
+  *         @arg @ref LL_RCC_PLL_MUL_13
+  *         @arg @ref LL_RCC_PLL_MUL_14
+  *         @arg @ref LL_RCC_PLL_MUL_15
+  *         @arg @ref LL_RCC_PLL_MUL_16
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul)
+{
+  MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL, (Source & RCC_CFGR_PLLSRC) | PLLMul);
+  MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (Source & RCC_CFGR2_PREDIV));
+}
+#endif /* RCC_PLLSRC_PREDIV1_SUPPORT */
+
+/**
+  * @brief  Get the oscillator used as PLL clock source.
+  * @rmtoll CFGR         PLLSRC        LL_RCC_PLL_GetMainSource
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI (*)
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI_DIV_2 (*)
+  *         @arg @ref LL_RCC_PLLSOURCE_HSE
+  *         @arg @ref LL_RCC_PLLSOURCE_HSI48 (*)
+  *
+  *         (*) value not defined in all devices
+  */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
+}
+
+/**
+  * @brief  Get PLL multiplication Factor
+  * @rmtoll CFGR         PLLMUL        LL_RCC_PLL_GetMultiplicator
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_PLL_MUL_2
+  *         @arg @ref LL_RCC_PLL_MUL_3
+  *         @arg @ref LL_RCC_PLL_MUL_4
+  *         @arg @ref LL_RCC_PLL_MUL_5
+  *         @arg @ref LL_RCC_PLL_MUL_6
+  *         @arg @ref LL_RCC_PLL_MUL_7
+  *         @arg @ref LL_RCC_PLL_MUL_8
+  *         @arg @ref LL_RCC_PLL_MUL_9
+  *         @arg @ref LL_RCC_PLL_MUL_10
+  *         @arg @ref LL_RCC_PLL_MUL_11
+  *         @arg @ref LL_RCC_PLL_MUL_12
+  *         @arg @ref LL_RCC_PLL_MUL_13
+  *         @arg @ref LL_RCC_PLL_MUL_14
+  *         @arg @ref LL_RCC_PLL_MUL_15
+  *         @arg @ref LL_RCC_PLL_MUL_16
+  */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMUL));
+}
+
+/**
+  * @brief  Get PREDIV division factor for the main PLL
+  * @note They can be written only when the PLL is disabled
+  * @rmtoll CFGR2        PREDIV        LL_RCC_PLL_GetPrediv
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_RCC_PREDIV_DIV_1
+  *         @arg @ref LL_RCC_PREDIV_DIV_2
+  *         @arg @ref LL_RCC_PREDIV_DIV_3
+  *         @arg @ref LL_RCC_PREDIV_DIV_4
+  *         @arg @ref LL_RCC_PREDIV_DIV_5
+  *         @arg @ref LL_RCC_PREDIV_DIV_6
+  *         @arg @ref LL_RCC_PREDIV_DIV_7
+  *         @arg @ref LL_RCC_PREDIV_DIV_8
+  *         @arg @ref LL_RCC_PREDIV_DIV_9
+  *         @arg @ref LL_RCC_PREDIV_DIV_10
+  *         @arg @ref LL_RCC_PREDIV_DIV_11
+  *         @arg @ref LL_RCC_PREDIV_DIV_12
+  *         @arg @ref LL_RCC_PREDIV_DIV_13
+  *         @arg @ref LL_RCC_PREDIV_DIV_14
+  *         @arg @ref LL_RCC_PREDIV_DIV_15
+  *         @arg @ref LL_RCC_PREDIV_DIV_16
+  */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetPrediv(void)
+{
+  return (uint32_t)(READ_BIT(RCC->CFGR2, RCC_CFGR2_PREDIV));
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
+  * @{
+  */
+
+/**
+  * @brief  Clear LSI ready interrupt flag
+  * @rmtoll CIR         LSIRDYC       LL_RCC_ClearFlag_LSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
+}
+
+/**
+  * @brief  Clear LSE ready interrupt flag
+  * @rmtoll CIR         LSERDYC       LL_RCC_ClearFlag_LSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
+}
+
+/**
+  * @brief  Clear HSI ready interrupt flag
+  * @rmtoll CIR         HSIRDYC       LL_RCC_ClearFlag_HSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
+}
+
+/**
+  * @brief  Clear HSE ready interrupt flag
+  * @rmtoll CIR         HSERDYC       LL_RCC_ClearFlag_HSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
+}
+
+/**
+  * @brief  Clear PLL ready interrupt flag
+  * @rmtoll CIR         PLLRDYC       LL_RCC_ClearFlag_PLLRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
+}
+
+/**
+  * @brief  Clear HSI14 ready interrupt flag
+  * @rmtoll CIR          HSI14RDYC     LL_RCC_ClearFlag_HSI14RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSI14RDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSI14RDYC);
+}
+
+#if defined(RCC_HSI48_SUPPORT)
+/**
+  * @brief  Clear HSI48 ready interrupt flag
+  * @rmtoll CIR          HSI48RDYC     LL_RCC_ClearFlag_HSI48RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSI48RDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSI48RDYC);
+}
+#endif /* RCC_HSI48_SUPPORT */
+
+/**
+  * @brief  Clear Clock security system interrupt flag
+  * @rmtoll CIR         CSSC          LL_RCC_ClearFlag_HSECSS
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_CSSC);
+}
+
+/**
+  * @brief  Check if LSI ready interrupt occurred or not
+  * @rmtoll CIR         LSIRDYF       LL_RCC_IsActiveFlag_LSIRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == (RCC_CIR_LSIRDYF));
+}
+
+/**
+  * @brief  Check if LSE ready interrupt occurred or not
+  * @rmtoll CIR         LSERDYF       LL_RCC_IsActiveFlag_LSERDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == (RCC_CIR_LSERDYF));
+}
+
+/**
+  * @brief  Check if HSI ready interrupt occurred or not
+  * @rmtoll CIR         HSIRDYF       LL_RCC_IsActiveFlag_HSIRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == (RCC_CIR_HSIRDYF));
+}
+
+/**
+  * @brief  Check if HSE ready interrupt occurred or not
+  * @rmtoll CIR         HSERDYF       LL_RCC_IsActiveFlag_HSERDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == (RCC_CIR_HSERDYF));
+}
+
+/**
+  * @brief  Check if PLL ready interrupt occurred or not
+  * @rmtoll CIR         PLLRDYF       LL_RCC_IsActiveFlag_PLLRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == (RCC_CIR_PLLRDYF));
+}
+
+/**
+  * @brief  Check if HSI14 ready interrupt occurred or not
+  * @rmtoll CIR          HSI14RDYF     LL_RCC_IsActiveFlag_HSI14RDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI14RDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSI14RDYF) == (RCC_CIR_HSI14RDYF));
+}
+
+#if defined(RCC_HSI48_SUPPORT)
+/**
+  * @brief  Check if HSI48 ready interrupt occurred or not
+  * @rmtoll CIR          HSI48RDYF     LL_RCC_IsActiveFlag_HSI48RDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI48RDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSI48RDYF) == (RCC_CIR_HSI48RDYF));
+}
+#endif /* RCC_HSI48_SUPPORT */
+
+/**
+  * @brief  Check if Clock security system interrupt occurred or not
+  * @rmtoll CIR         CSSF          LL_RCC_IsActiveFlag_HSECSS
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_CSSF) == (RCC_CIR_CSSF));
+}
+
+/**
+  * @brief  Check if RCC flag Independent Watchdog reset is set or not.
+  * @rmtoll CSR          IWDGRSTF      LL_RCC_IsActiveFlag_IWDGRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag Low Power reset is set or not.
+  * @rmtoll CSR          LPWRRSTF      LL_RCC_IsActiveFlag_LPWRRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag is set or not.
+  * @rmtoll CSR          OBLRSTF       LL_RCC_IsActiveFlag_OBLRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag Pin reset is set or not.
+  * @rmtoll CSR          PINRSTF       LL_RCC_IsActiveFlag_PINRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag POR/PDR reset is set or not.
+  * @rmtoll CSR          PORRSTF       LL_RCC_IsActiveFlag_PORRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == (RCC_CSR_PORRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag Software reset is set or not.
+  * @rmtoll CSR          SFTRSTF       LL_RCC_IsActiveFlag_SFTRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
+}
+
+/**
+  * @brief  Check if RCC flag Window Watchdog reset is set or not.
+  * @rmtoll CSR          WWDGRSTF      LL_RCC_IsActiveFlag_WWDGRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
+}
+
+#if defined(RCC_CSR_V18PWRRSTF)
+/**
+  * @brief  Check if RCC Reset flag of the 1.8 V domain is set or not.
+  * @rmtoll CSR          V18PWRRSTF    LL_RCC_IsActiveFlag_V18PWRRST
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_V18PWRRST(void)
+{
+  return (READ_BIT(RCC->CSR, RCC_CSR_V18PWRRSTF) == (RCC_CSR_V18PWRRSTF));
+}
+#endif /* RCC_CSR_V18PWRRSTF */
+
+/**
+  * @brief  Set RMVF bit to clear the reset flags.
+  * @rmtoll CSR          RMVF          LL_RCC_ClearResetFlags
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_ClearResetFlags(void)
+{
+  SET_BIT(RCC->CSR, RCC_CSR_RMVF);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_IT_Management IT Management
+  * @{
+  */
+
+/**
+  * @brief  Enable LSI ready interrupt
+  * @rmtoll CIR         LSIRDYIE      LL_RCC_EnableIT_LSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
+}
+
+/**
+  * @brief  Enable LSE ready interrupt
+  * @rmtoll CIR         LSERDYIE      LL_RCC_EnableIT_LSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
+}
+
+/**
+  * @brief  Enable HSI ready interrupt
+  * @rmtoll CIR         HSIRDYIE      LL_RCC_EnableIT_HSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
+}
+
+/**
+  * @brief  Enable HSE ready interrupt
+  * @rmtoll CIR         HSERDYIE      LL_RCC_EnableIT_HSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
+}
+
+/**
+  * @brief  Enable PLL ready interrupt
+  * @rmtoll CIR         PLLRDYIE      LL_RCC_EnableIT_PLLRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
+}
+
+/**
+  * @brief  Enable HSI14 ready interrupt
+  * @rmtoll CIR          HSI14RDYIE    LL_RCC_EnableIT_HSI14RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_HSI14RDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE);
+}
+
+#if defined(RCC_HSI48_SUPPORT)
+/**
+  * @brief  Enable HSI48 ready interrupt
+  * @rmtoll CIR          HSI48RDYIE    LL_RCC_EnableIT_HSI48RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_EnableIT_HSI48RDY(void)
+{
+  SET_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE);
+}
+#endif /* RCC_HSI48_SUPPORT */
+
+/**
+  * @brief  Disable LSI ready interrupt
+  * @rmtoll CIR         LSIRDYIE      LL_RCC_DisableIT_LSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
+}
+
+/**
+  * @brief  Disable LSE ready interrupt
+  * @rmtoll CIR         LSERDYIE      LL_RCC_DisableIT_LSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
+}
+
+/**
+  * @brief  Disable HSI ready interrupt
+  * @rmtoll CIR         HSIRDYIE      LL_RCC_DisableIT_HSIRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
+}
+
+/**
+  * @brief  Disable HSE ready interrupt
+  * @rmtoll CIR         HSERDYIE      LL_RCC_DisableIT_HSERDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
+}
+
+/**
+  * @brief  Disable PLL ready interrupt
+  * @rmtoll CIR         PLLRDYIE      LL_RCC_DisableIT_PLLRDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
+}
+
+/**
+  * @brief  Disable HSI14 ready interrupt
+  * @rmtoll CIR          HSI14RDYIE    LL_RCC_DisableIT_HSI14RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_HSI14RDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE);
+}
+
+#if defined(RCC_HSI48_SUPPORT)
+/**
+  * @brief  Disable HSI48 ready interrupt
+  * @rmtoll CIR          HSI48RDYIE    LL_RCC_DisableIT_HSI48RDY
+  * @retval None
+  */
+__STATIC_INLINE void LL_RCC_DisableIT_HSI48RDY(void)
+{
+  CLEAR_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE);
+}
+#endif /* RCC_HSI48_SUPPORT */
+
+/**
+  * @brief  Checks if LSI ready interrupt source is enabled or disabled.
+  * @rmtoll CIR         LSIRDYIE      LL_RCC_IsEnabledIT_LSIRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == (RCC_CIR_LSIRDYIE));
+}
+
+/**
+  * @brief  Checks if LSE ready interrupt source is enabled or disabled.
+  * @rmtoll CIR         LSERDYIE      LL_RCC_IsEnabledIT_LSERDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == (RCC_CIR_LSERDYIE));
+}
+
+/**
+  * @brief  Checks if HSI ready interrupt source is enabled or disabled.
+  * @rmtoll CIR         HSIRDYIE      LL_RCC_IsEnabledIT_HSIRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == (RCC_CIR_HSIRDYIE));
+}
+
+/**
+  * @brief  Checks if HSE ready interrupt source is enabled or disabled.
+  * @rmtoll CIR         HSERDYIE      LL_RCC_IsEnabledIT_HSERDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == (RCC_CIR_HSERDYIE));
+}
+
+/**
+  * @brief  Checks if PLL ready interrupt source is enabled or disabled.
+  * @rmtoll CIR         PLLRDYIE      LL_RCC_IsEnabledIT_PLLRDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == (RCC_CIR_PLLRDYIE));
+}
+
+/**
+  * @brief  Checks if HSI14 ready interrupt source is enabled or disabled.
+  * @rmtoll CIR          HSI14RDYIE    LL_RCC_IsEnabledIT_HSI14RDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI14RDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSI14RDYIE) == (RCC_CIR_HSI14RDYIE));
+}
+
+#if defined(RCC_HSI48_SUPPORT)
+/**
+  * @brief  Checks if HSI48 ready interrupt source is enabled or disabled.
+  * @rmtoll CIR          HSI48RDYIE    LL_RCC_IsEnabledIT_HSI48RDY
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI48RDY(void)
+{
+  return (READ_BIT(RCC->CIR, RCC_CIR_HSI48RDYIE) == (RCC_CIR_HSI48RDYIE));
+}
+#endif /* RCC_HSI48_SUPPORT */
+
+/**
+  * @}
+  */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_EF_Init De-initialization function
+  * @{
+  */
+ErrorStatus LL_RCC_DeInit(void);
+/**
+  * @}
+  */
+
+/** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
+  * @{
+  */
+void        LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
+uint32_t    LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource);
+uint32_t    LL_RCC_GetI2CClockFreq(uint32_t I2CxSource);
+#if defined(USB_OTG_FS) || defined(USB)
+uint32_t    LL_RCC_GetUSBClockFreq(uint32_t USBxSource);
+#endif /* USB_OTG_FS || USB */
+#if defined(CEC)
+uint32_t    LL_RCC_GetCECClockFreq(uint32_t CECxSource);
+#endif /* CEC */
+/**
+  * @}
+  */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* RCC */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_LL_RCC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/