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# Release Notes for STM32F4xx CMSIS Copyright 2012 STMicroelectronics
## Contents STM32F4xx CMSIS update History License ## STM32F4xx CMSIS update History ### V1.0.2 / 05-March-2012 Main Changes All source files: license disclaimer text update and add link to the License file on ST Internet. ### V1.0.1 / 28-December-2011 Main Changes All source files: update disclaimer to add reference to the new license agreement stm32f4xx.h Correct bit definition: RCC_AHB2RSTR_HSAHRST changed to RCC_AHB2RSTR_HASHRST ### V1.0.0 / 30-September-2011 Main Changes First official release for STM32F40x/41x devices Add startup file for TASKING toolchain system_stm32f4xx.c: driver's comments update ### V1.0.0RC2 / 26-September-2011 Main Changes Official version (V1.0.0) Release Candidate2 for STM32F40x/41x devices stm32f4xx.h Add define for Cortex-M4 revision __CM4_REV 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 (RM0090) 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 PWR_CR_PMODE changed to PWR_CR_VOS PWR_CSR_REGRDY changed to PWR_CSR_VOSRDY Add new define RCC_AHB1ENR_CCMDATARAMEN Add new defines SRAM2_BASE, CCMDATARAM_BASE and BKPSRAM_BASE GPIO_TypeDef structure: in the comment change AFR[2] address mapping to 0x20-0x24 instead of 0x24-0x28 system_stm32f4xx.c SystemInit(): add code to enable the FPU SetSysClock(): change PWR_CR_PMODE by PWR_CR_VOS SystemInit_ExtMemCtl(): remove commented values startup (for all compilers) Delete code used to enable the FPU (moved to system_stm32f4xx.c file) File’s header updated ### V1.0.0RC1 / 25-August-2011 Main Changes Official version (V1.0.0) Release Candidate1 for STM32F4xx devices ## 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