# Release Notes for STM32U0xx CMSIS

Copyright © 2024 STMicroelectronics

# Update History

V1.3.0 / 04-June-2025

## Main Changes

- CMSIS Device Maintenance Release version of bits and registers definition aligned with the RM0503 (STM32U0 reference manual).
  - Added specific linker files for STM32U073xB and STM32U073x8 devices.
  - Updated system_stm32u0xx.c file to allow ‘VECT_TAB_OFFSET’ to be overridden externally (by IDE or Makefile).
  - BOR bits configuration and definition aligned with the STM32U0 reference manual.
  - Rename AES suspend registers according last update in STM32U0 reference manual.

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V1.2.0 / 30-October-2024

## Main Changes

- CMSIS Device Maintenance Release version of bits and registers definition aligned with the RM0503 (STM32U0 reference manual).
  - Fixed the right CFGR_HPRE shift in the SystemCoreClockUpdate API.
  - Align the ErrorStatus typedef declaration with HAL_StatusTypeDef.
  - Add the address to use for the bootloader jump service.

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V1.1.0 / 05-June-2024

## Main Changes

- CMSIS Device Maintenance Release version of bits and registers definition aligned with the RM0503 (STM32U0 reference manual).
  - Add I2C_CR1_SBC bit definition.
  - Removed the I2C_CR1_SWRST bit definition.

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V1.0.0 / 12-February-2024

## Main Changes

- First official release version of bits and registers definition aligned with the RM0503 (STM32U0 reference manual).

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