# Release Notes for STM32U3xx CMSIS

Copyright © 2024 STMicroelectronics

# Purpose

This driver provides the CMSIS device for the STM32U3xx product. This covers

- STM32U375xx devices
- STM32U385xx devices

This driver is composed of the description of the registers under “Include” directory.

Various template files are provided to easily build an application. They can be adapted to fit applications requirements.

- Templates/system_stm32u3xx.c contains the initialization code referred as SystemInit.
- Startup files are provided as example for EWARM©, MDK-ARM©, STM32CubeIDE©.
- Linker files are provided as example for EWARM©, MDK-ARM©, STM32CubeIDE©.

# Update history

V1.1.0 / 05-February-2025

## Maintenance Release

- Maintenance release of CMSIS for STM32U3xx firmware package supporting STM32U385xx/STM32U375xx devices

## Contents

- Fix PWR_I3CPUCR2_PG14_I3CPU_Pos value
- Suppress unused bit
- Minor fix on comments

## Known Limitations

- None

V1.0.0 / 30-October-2024

## First Release

- First official release of CMSIS for STM32U3xx firmware package supporting STM32U385xx/STM32U375xx devices

## Contents

- First official release of CMSIS devices drivers
  - Support of STM32U385xx/STM32U375xx devices

## Known Limitations

- None