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# Release Notes for STM32F2xx CMSIS

Copyright 2012 STMicroelectronics

## Contents

1. STM32F2xx CMSIS update History
2. License

## STM32F2xx CMSIS update History

### V1.1.3 / 05-March-2012

Main Changes

- All source files: license disclaimer text update and add link to the License file on ST Internet.

### V1.1.2 / 28-December-2011

Main Changes

- All source files: update disclaimer to add reference to the new license agreement
- stm32f2xx.h

- Correct bit definition: RCC_AHB2RSTR_HSAHRST changed to RCC_AHB2RSTR_HASHRST

### V1.1.1 / 14-November-2011

Main Changes

- stm32f2xx.h

- Add missing bits definition for DAC CR register
- Add missing bits definition for FSMC BTR1, BTR2, BTR3, BWTR1, BWTR2, BWTR3 and BWTR4 registers

- Add startup file for TASKING toolchain

### V1.1.0 / 23-September-2011

Main Changes

- stm32f2xx.h

- Add define for Cortex-M3 revision __CM3_REV
- Allow modification of some constants by the application code, definition of these constants is now bracketed by #if !defined. The concerned constant are HSE_VALUE, HSI_VALUE and HSE_STARTUP_TIMEOUT.
- Fix include of stm32f2xx_conf.h file, change "stm32f2xx_conf.h " by "stm32f2xx_conf.h"
- Correct MII_RMII_SEL bit (in SYSCFG_PMC register) value to 0x00800000
- Correct RCC_CFGR_PPRE2_DIV16 bit (in RCC_CFGR register) value to 0x0000E000
- Correct some bits definition to be in line with naming used in the Reference Manual (RM0033)

- GPIO_OTYPER_IDR_x changed to GPIO_IDR_IDR_x
- GPIO_OTYPER_ODR_x changed to GPIO_ODR_ODR_x
- SYSCFG_PMC_MII_RMII changed to SYSCFG_PMC_MII_RMII_SEL
- RCC_APB2RSTR_SPI1 changed to RCC_APB2RSTR_SPI1RST
- DBGMCU_APB1_FZ_DBG_IWDEG_STOP changed to DBGMCU_APB1_FZ_DBG_IWDG_STOP

- GPIO_TypeDef structure: in the comment change AFR[2] address mapping to 0x20-0x24 instead of 0x24-0x28

### V1.0.0 / 18-April-2011

Main Changes

- First official release for STM32F2xx devices
- stm32f2xx.h

- Add SYSCFG CMPCR register and bits definition
- Peripheral register's definitions: add description and address offset of each register

- Add startup_stm32f2xx.s startup files for "gcc_ride7" and "TrueSTUDIO" compilers

### V1.0.0RC1 / 11-March-2011

Main Changes

- Official version (V1.0.0) Release Candidate 1
- stm32f2xx.h

- Update file's header comments
- Change "RNG_CR_IM" by "RNG_CR_IE"
- Update "ETH_MACMIIAR_CR" bits definition

- system_stm32f2xx.c

- Implement SystemInit_ExtMemCtl() function
- Change everywhere "STM3220F_EVAL" by "STM322xG_EVAL"

- Update SystemCoreClockUpdate() function's header comments

## License

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this package except in compliance with the License. You may obtain a copy of the License at:

http://www.st.com/software_license_agreement_liberty_v2
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

For complete documentation on STM32 Microcontrollers visit www.st.com/STM32