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diff --git a/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_ll_utils.h b/Drivers/STM32U0xx_HAL_Driver/Inc/stm32u0xx_ll_utils.h
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+/**
+  ******************************************************************************
+  * @file    stm32u0xx_ll_utils.h
+  * @author  MCD Application Team
+  * @brief   Header file of UTILS LL module.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2023 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  @verbatim
+  ==============================================================================
+                     ##### How to use this driver #####
+  ==============================================================================
+    [..]
+    The LL UTILS driver contains a set of generic APIs that can be
+    used by user:
+      (+) Device electronic signature
+      (+) Timing functions
+      (+) PLL configuration functions
+
+  @endverbatim
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32U0xx_LL_UTILS_H
+#define __STM32U0xx_LL_UTILS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32u0xx.h"
+
+/** @addtogroup STM32U0xx_LL_Driver
+  * @{
+  */
+
+/** @defgroup UTILS_LL UTILS
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
+  * @{
+  */
+
+/* Max delay can be used in LL_mDelay */
+#define LL_MAX_DELAY                  0xFFFFFFFFU
+
+/**
+  * @brief Unique device ID register base address
+  */
+#define UID_BASE_ADDRESS              UID_BASE
+
+/**
+  * @brief Flash size data register base address
+  */
+#define FLASHSIZE_BASE_ADDRESS        FLASHSIZE_BASE
+
+/**
+  * @brief Package data register base address
+  */
+#define PACKAGE_BASE_ADDRESS          PACKAGE_BASE
+
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
+  * @{
+  */
+/**
+  * @}
+  */
+/* Exported types ------------------------------------------------------------*/
+/** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
+  * @{
+  */
+/**
+  * @brief  UTILS PLL structure definition
+  */
+typedef struct
+{
+  uint32_t PLLM;   /*!< Division factor for PLL VCO input clock.
+                        This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
+
+                        This feature can be modified afterwards using unitary function
+                        @ref LL_RCC_PLL_ConfigDomain_SYS(). */
+
+  uint32_t PLLN;   /*!< Multiplication factor for PLL VCO output clock.
+                        This parameter must be a number between Min_Data = 8 and Max_Data = 86
+
+                        This feature can be modified afterwards using unitary function
+                        @ref LL_RCC_PLL_ConfigDomain_SYS(). */
+
+  uint32_t PLLR;   /*!< Division for the main system clock.
+                        This parameter can be a value of @ref RCC_LL_EC_PLLR_DIV
+
+                        This feature can be modified afterwards using unitary function
+                        @ref LL_RCC_PLL_ConfigDomain_SYS(). */
+} LL_UTILS_PLLInitTypeDef;
+
+/**
+  * @brief  UTILS System, AHB and APB buses clock configuration structure definition
+  */
+typedef struct
+{
+  uint32_t AHBCLKDivider;         /*!< The AHBS clock (HCLKS) divider. This clock is derived from the system clock (SYSCLK).
+                                        This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
+
+                                        This feature can be modified afterwards using unitary function
+                                        @ref LL_RCC_SetAHBPrescaler(). */
+
+  uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
+                                       This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
+
+                                       This feature can be modified afterwards using unitary function
+                                       @ref LL_RCC_SetAPB1Prescaler(). */
+
+} LL_UTILS_ClkInitTypeDef;
+
+/**
+  * @}
+  */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
+  * @{
+  */
+
+/** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
+  * @{
+  */
+#define LL_UTILS_HSEBYPASS_OFF        (uint32_t)0x00000000U       /*!< HSE Bypass is not enabled                */
+#define LL_UTILS_HSEBYPASS_ON         (uint32_t)0x00000001U       /*!< HSE Bypass is enabled                    */
+/**
+  * @}
+  */
+
+/** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
+  * @{
+  */
+#if defined(STM32U031xx)
+#define LL_UTILS_PACKAGETYPE_UFQFPN32         (uint16_t)0x0001U /*!< PACKAGETYPE UFQFPN32 */
+#define LL_UTILS_PACKAGETYPE_UFQFPN48         (uint16_t)0x0003U /*!< PACKAGETYPE UFQFPN48 */
+#define LL_UTILS_PACKAGETYPE_LQFP48           (uint16_t)0x0004U /*!< PACKAGETYPE_LQFP48   */
+#define LL_UTILS_PACKAGETYPE_LQFP64           (uint16_t)0x0005U /*!< ACKAGETYPE_LQFP64    */
+#define LL_UTILS_PACKAGETYPE_BGA64            (uint16_t)0x0006U /*!< PACKAGETYPE_BGA64    */
+#define LL_UTILS_PACKAGETYPE_TSSOP20          (uint16_t)0x0009U /*!< PACKAGETYPE_TSSOP20  */
+#define LL_UTILS_PACKAGETYPE_WLCSP29          (uint16_t)0x000AU /*!< PACKAGETYPE_WLCSP29  */
+#define LL_UTILS_PACKAGETYPE_LQFP32           (uint16_t)0x000BU /*!< PACKAGETYPE_LQFP32   */
+#else
+#define LL_UTILS_PACKAGETYPE_UFQFPN32         (uint16_t)0x0001U /*!< PACKAGETYPE_UFQFPN32 */
+#define LL_UTILS_PACKAGETYPE_WLCS42           (uint16_t)0x0002U /*!< PACKAGETYPE_WLCS42   */
+#define LL_UTILS_PACKAGETYPE_UFQFPN48         (uint16_t)0x0004U /*!< PACKAGETYPE_UFQFPN48 */
+#define LL_UTILS_PACKAGETYPE_LQFP48           (uint16_t)0x0005U /*!< PACKAGETYPE_LQFP48   */
+#define LL_UTILS_PACKAGETYPE_LQFP64           (uint16_t)0x0006U /*!< PACKAGETYPE_LQFP64   */
+#define LL_UTILS_PACKAGETYPE_BGA64            (uint16_t)0x0009U /*!< PACKAGETYPE_BGA64    */
+#define LL_UTILS_PACKAGETYPE_LQFP80           (uint16_t)0x000AU /*!< PACKAGETYPE_LQFP80   */
+#define LL_UTILS_PACKAGETYPE_BGA80            (uint16_t)0x000BU /*!< PACKAGETYPE_BGA80    */
+#endif /* STM32U031xx */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
+  * @{
+  */
+
+/** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
+  * @{
+  */
+/**
+  * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
+  * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
+  */
+__STATIC_INLINE uint32_t LL_GetUID_Word0(void)
+{
+  return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
+}
+
+/**
+  * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
+  * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
+  */
+__STATIC_INLINE uint32_t LL_GetUID_Word1(void)
+{
+  return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
+}
+
+/**
+  * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
+  * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
+  */
+__STATIC_INLINE uint32_t LL_GetUID_Word2(void)
+{
+  return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
+}
+
+/**
+  * @brief  Get Flash memory size
+  * @note   This bitfield indicates the size of the device Flash memory expressed in
+  *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
+  * @retval FLASH_SIZE[15:0]: Flash memory size
+  */
+__STATIC_INLINE uint32_t LL_GetFlashSize(void)
+{
+  return (uint16_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)));
+}
+
+/**
+  * @brief  Get Package type
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN32
+  *         @arg @ref LL_UTILS_PACKAGETYPE_UFQFPN48
+  *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP48
+  *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64
+  *         @arg @ref LL_UTILS_PACKAGETYPE_BGA64
+  *         @arg @ref LL_UTILS_PACKAGETYPE_TSSOP20 (*)
+  *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP29 (*)
+  *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP32  (*)
+  *         @arg @ref LL_UTILS_PACKAGETYPE_WLCS42  (*)
+  *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP80  (*)
+  *         @arg @ref LL_UTILS_PACKAGETYPE_BGA80   (*)
+  *
+  * @note   (*) Availability depends on devices.
+  *
+  */
+__STATIC_INLINE uint32_t LL_GetPackageType(void)
+{
+  return (uint8_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0xFU);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup UTILS_LL_EF_DELAY DELAY
+  * @{
+  */
+
+/**
+  * @brief  This function configures the Cortex-M SysTick source of the time base.
+  * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
+  * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
+  *         configuration by calling this function, for a delay use rather osDelay RTOS service.
+  * @param  Ticks Number of ticks
+  * @retval None
+  */
+__STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
+{
+  /* Configure the SysTick to have interrupt in 1ms time base */
+  SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
+  SysTick->VAL   = 0UL;                                        /* Load the SysTick Counter Value */
+  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
+                   SysTick_CTRL_ENABLE_Msk;                    /* Enable the Systick Timer */
+}
+
+void        LL_Init1msTick(uint32_t HCLKFrequency);
+void        LL_mDelay(uint32_t Delay);
+
+/**
+  * @}
+  */
+
+/** @defgroup UTILS_EF_SYSTEM SYSTEM
+  * @{
+  */
+
+void        LL_SetSystemCoreClock(uint32_t HCLKFrequency);
+ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
+                                         LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
+ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
+                                         LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
+ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEBypass, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
+                                         LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
+ErrorStatus LL_SetFlashLatency(uint32_t HCLK_Frequency);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32U0xx_LL_UTILS_H */