Release Notes for STM32F4xx CMSIS

Copyright 2017 STMicroelectronics

Update History

V2.6.4 / 06-December-2019

• stm32f446xx.h file
• Update to support HW flow control on UART4 and UART5 instances
• stm32f412xx.h, stm32f413xx.h and stm32f423xx.h files
• Remove unused IS_USB_ALL_INSTANCE() assert macro
• All header files
• Remove unused IS_TIM_SYNCHRO_INSTANCE() assert macro
• system_stm32f4xx.c file
• Update SystemInit() API to don't reset RCC registers to its reset values

V2.6.3 / 08-February-2019

• CRYP:
• Update CMSIS devices with correct CRYP data input register name: DIN instead of DR
• Add Bits definition for CRYP CR ALGOMODE AES GCM/CCM
• HASH:
• Update HASH_DIGEST_TypeDef structure: resize the HR register
  
• Remove MDMAT Bits definition
• TIM:
• Add requires TIM assert macros:
• IS_TIM_SYNCHRO_INSTANCE()
• IS_TIM_CLOCKSOURCE_TIX_INSTANCE()
• IS_TIM_CLOCKSOURCE_ITRX_INSTANCE()
• RCC
• Add RCC_CSR_BORRSTF bits definition
• GPIO
  
• Fix GPIO BRR bits definition
• Adjust the GPIO present on STM32F412 devices
  
• SAI
• Fix frame length in SAI_xFRCR_FSALL & SAI_xFRCR_FRL bits description
  
• USB:
• Add missing Bits Definitions in USB_OTG_DOEPMSK register
• USB_OTG_DOEPMSK_AHBERRM
• USB_OTG_DOEPMSK_OTEPSPRM
• USB_OTG_DOEPMSK_BERRM
• USB_OTG_DOEPMSK_NAKM
• USB_OTG_DOEPMSK_NYETM
• Add missing Bits Definitions in USB_OTG_DIEPINT register
• USB_OTG_DIEPINT_INEPNM
• USB_OTG_DIEPINT_AHBERR
• USB_OTG_DOEPINT_OUTPKTERR
•  USB_OTG_DOEPINT_NAK
• USB_OTG_DOEPINT_STPKTRX
• Add missing Bits Definitions in USB_OTG_DCFG register
• USB_OTG_DCFG_XCVRDLY
• USB_OTG_DCFG_ERRATIM
• Update USB OTG max number of endpoints (6 FS and 9 HS instead of 5 and 8)
• I2C/FMPI2C
• Align Bit naming for FMPI2C_CR1 register: FMPI2C_CR1_DFN--> FMPI2C_CR1_DNF
• Add IS_SMBUS_ALL_INSTANCE() define
• DFSDM
• Align Bit naming for DFSDM_FLTICR register: DFSDM_FLTICR_CLRSCSDF--> DFSDM_FLTICR_CLRSCDF
• PWR
• Remove PWR_CSR_WUPP define: feature not available on STM32F469xx/479xx devices

V2.6.2 / 06-October-2017

• Remove Date and Version from all header files
• USB_OTG register clean up: remove duplicated bits definitions
• stm32f401xc.h, stm32f401xe.h, stm32f411xe.h files
• Remove BKPSRAM_BASE define: feature not available
• stm32f405xx.h, stm32f407xx.h files
• Rename HASH_RNG_IRQn to RNG_IRQn: HASH instance not available 
• stm32f410xx.h, stm32f412xx.h, stm32f413xx.h,  stm32f423xx.h files
• Add missing wake-up pins defines
• stm32f412cx.h files
•  Add support of USART3 instance

V2.6.1 / 14-February-2017

• General updates in header files to support LL drivers
• Align Bit naming for RCC_CSR register (ex: RCC_CSR_PADRSTF --> RCC_CSR_PINRSTF)
• Add new defines for RCC features support:
• RCC PLLI2S and RCC PLLSAI support
• RCC PLLR I2S clock source and RCC PLLR system clock support
• RCC SAI1A PLL source and RCC SAI1B PLL source support
• RCC AHB2 support
  
• Add RCC_DCKCFGR_PLLI2SDIVQ_X and  RCC_DCKCFGR_PLLSAIDIVQ_X bits definition
• Add new defines for RCC_PLLI2SCFGR_RST_VALUE, RCC_PLLSAICFGR_RST_VALUE and RCC_PLLCFGR_RST_VALUE
• Add new defines for RTC features support:
• RTC Tamper 2 support
• RTC AF2 mapping support
  
• Align Bit naming for RTC_CR and RTC_TAFCR registers (ex: RTC_CR_BCK --> RTC_CR_BKP)
• Add new define to manage RTC backup register number: RTC_BKP_NUMBER
• Rename IS_UART_INSTANCE() macro to IS_UART_HALFDUPLEX_INSTANCE()
• Add new defines to check LIN instance: IS_UART_LIN_INSTANCE
• Remove USART6 instance from STM32F410Tx header file
• Rename IS_I2S_ALL_INSTANCE_EXT() macro to IS_I2S_EXT_ALL_INSTANCEE()
• Add IS_I2S_APB1_INSTANCE() macro to check if I2S instance mapping: API1 or APB2
  
• Remove SPI_I2S_SUPPORT define for SPI I2S features support: I2S feature is available on all STM32F4xx devices
• Add SPI_I2S_FULLDUPLEX_SUPPORT define for STM32F413xx/423xx devices
• Align SPI_I2SCFGR bit naming: SPI_I2SCFGR_ASTRTEN bit is missing for STM32F412xx devices
• Add new I2S_APB1_APB2_FEATURE define for STM32F4xx devices where I2S IP's are splited between RCC APB1 and APB2 interfaces
  
• Add new FLASH_SR_RDERR define in FLASH_SR register
• Add FLASH_OTP_BASE and  FLASH_OTP_END defnes to manage FLASH OPT area
  
• Add bit definitions for ETH_MACDBGR register
• Add new defines ADC1_COMMON_BASE and ADC123_COMMON_BASE to replace ADC_BASE define
• Add new defines ADC1_COMMON and ADC123_COMMON to replace ADC define
• Add new ADC macros: IS_ADC_COMMON_INSTANCE() and IS_ADC_MULTIMODE_MASTER_INSTANCE()
  
• Add new defines for ADC multi mode features support
• Add new ADC aliases ADC_CDR_RDATA_MST and ADC_CDR_RDATA_SLV for compatibilities with all STM32 Families
• Update TIM CNT and ARR register mask on 32-bits
• Add new TIM_OR_TI1_RMP define in TIM_OR register
• Add new TIM macros to check TIM feature instance support:
• IS_TIM_COUNTER_MODE_SELECT_INSTANCE()
• IS_TIM_CLOCK_DIVISION_INSTANCE()
• IS_TIM_COMMUTATION_EVENT_INSTANCE()
• IS_TIM_OCXREF_CLEAR_INSTANCE()
• IS_TIM_CLOCKSOURCE_ETRMODE1_INSTANCE()
• IS_TIM_CLOCKSOURCE_ETRMODE2_INSTANCE()
• IS_TIM_REPETITION_COUNTER_INSTANCE()
• IS_TIM_ENCODER_INTERFACE_INSTANCE()
• IS_TIM_HALL_SENSOR_INTERFACE_INSTANCE()
• IS_TIM_BREAK_INSTANCE()
• CAN_IER register clean up: remove duplicated bit definitions
• USB_OTG register: fix the wrong defined values for USB_OTG_GAHBCFG bits

V2.6.0 / 04-November-2016

• Add support of STM32F413xx and STM32F423xx devices 
• Add "stm32f413xx.h" and "stm32f423xx.h" files

• Add startup files  "startup_stm32f413xx.s" and "startup_stm32f423xx.s" for EWARM, MDK-ARM and SW4STM32 toolchains

• Add Linker files "stm32f413xx_flash.icf", "stm32f413xx_sram.icf", "stm32f423xx_flash.icf" and "stm32f423xx_sram.icf" used within EWARM Workspaces
• All header files
• Use _Pos and _Mask macro for all Bit Definitions
• Update LPTIM_OR Bit Definition
• Update the defined frequencies by scale for USB exported constants
• Add UID_BASE, FLASHSIZE_BASE and PACKAGE_BASE defines
• Add new define DAC_CHANNEL2_SUPPORT to manage DAC channel2 support
• Use new DAC1 naming
• Rename PWR_CSR_UDSWRDY define to PWR_CSR_UDRDY in PWR_CSR register
• Align Bit naming for EXTI_IMR and EXTI_EMR registers (ex: EXTI_IMR_MR0 --> EXTI_IMR_IM0)
  
• Add new EXTI_IMR_IM define in EXTI_IMR register
• Add missing DMA registers definition
• Add macro to check SMBUS instance support
  
• stm32f412cx.h, stm32f412zx.h, stm32f412vx.h, stm32f412rx.h files
• Add missing SYSCFG register: CFGR2
• stm32f405xx.h, stm32f407xx.h, stm32f427xx.h, stm32f429xx.h files
• Remove HASH_RNG_IRQn in IRQn_Type enumeration
• stm32f405xx.h, stm32f407xx.h, stm32f415xx.h, stm32f417xx.h files
• Remove I2C FLTR register as not supported
  
• stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
• Add missing Bit Definition of ETH_MACDBGR register
• system_stm32f4xx.c file
• Add APBPrescTable declaration

V2.5.1 / 28-June-2016

• stm32f412rx.h, stm32f412vx.h and stm32f412zx.h files:

• Add QSPI1_V2_1L define to manage the QSPI DMA2 limitation
  

V2.5.0 / 22-April-2016

• Add support of STM32F412Cx, STM32F412Rx, STM32F412Vx and STM32F412Zx devices

• Add "stm32f412Cx.h", "stm32f412Rx.h", "stm32f412Vx.h" and "stm32f412Zx.h" files

• Add startup files  "startup_stm32f412cx.s", "startup_stm32f412rx.s", "startup_stm32f412vx.s" and "startup_stm32f412zx.s" for EWARM, MDK-ARM and SW4STM32 toolchains

• Add Linker files "stm32f412cx_flash.icf", "stm32f412cx_sram.icf", "stm32f412rx_flash.icf", "stm32f412rx_sram.icf", "stm32f412vx_flash.icf", "stm32f412vx_sram.icf", "stm32f412zx_flash.icf" and "stm32f412zx_sram.icf" used within EWARM Workspaces
• Header files for all STM32 devices
• Remove uint32_t cast and keep only Misra Cast (U) to avoid two types cast duplication
• Correct some bits definition to be in line with naming used in the Reference Manual
• WWDG_CR_Tx changed to WWDG_CR_T_x
• WWDG_CFR_Wx changed to WWDG_CFR_W_x
• WWDG_CFR_WDGTBx changed to WWDG_CFR_WDGTB_x
• stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f446xx.h, stm32f469xx.h, stm32f479xx.h files
• Correct some bits definition to be in line with naming used in the Reference Manual
• DCMI_RISR_x changed to DCMI_RIS_x
• DCMI_RISR_OVF_RIS changed to DCMI_RIS_OVR_RIS
• DCMI_IER_OVF_IE changed to DCMI_IER_OVR_IE
• stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h, stm32f446xx.h files
• Correct some bits definition to be in line with naming used in the Reference Manual
• SAI_xFRCR_FSPO changed to SAI_xFRCR_FSPOL
• Rename IS_SAI_BLOCK_PERIPH to IS_SAI_ALL_INSTANCE
  
• stm32f410cx.h, stm32f410rx.h, stm32f410tx.h files and stm32f446xx.h
• Remove FMPI2C_CR1_SWRST and FMPI2C_CR1_WUPEN Bit definition for I2C_CR1 register
• stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
• Add missing bits definitions for DMA2D_CR, DMA2D_FGPFCCR, DMA2D_BGPFCCR, DMA2D_OPFCCR registers
• stm32f401xc.h, stm32f401xe.h, stm32f411xe.h files
• Add missing RCC_DCKCFGR register in RCC_TypeDef structure
  
• Add missing Bit definition for RCC_DCKCFGR register
• system_stm32f4xx.c
  
• Update SystemInit_ExtMemCtl() API to fix delay optimization problem with GCC compiler: index variable is declared as volatile 
• stm32f4xx.h
• Rename __STM32F4xx_CMSIS_DEVICE_VERSION_xx defines to __STM32F4_CMSIS_VERSION_xx (MISRA-C 2004 rule 5.1)

V2.4.3 / 29-January-2016

• Header file for all STM32 devices

• Rename ADC overrun flags definitions : ADC_CSR_DOVR1, ADC_CSR_DOVR2 and ADC_CSR_DOVR3 are replaced respectively by ADC_CSR_OVR1, ADC_CSR_OVR2 and ADC_CSR_OVR3 to be aligned with reference manuals
• Add missing bits definitions for DAC : DAC_CR_DMAUDRIE1 and DAC_CR_DMAUDRIE2
• Update CMSIS driver to be compliant with MISRA C 2004 rule 10.6
• Remove the double definition of USB_OTG_HS_MAX_IN_ENDPOINTS and add a new one for  USB_OTG_HS_MAX_OUT_ENDPOINTS
• stm32f446xx.h, stm32f469xx.h, stm32f479xx.h files 
• Change the bit definition value of QUADSPI_CR_FTHRES
• stm32f446xx.h, stm32f469xx.h, stm32f479xx.h, stm32f429xx.h, stm32f439xx.h files
• Rename the LTDC_GCR_DTEN to LTDC_GCR_DEN in order to be aligned with the reference manual
• Rename DCMI_MISR bit definitions to DCMI_MIS
• Rename DCMI_ICR_OVF_ISC to DCMI_ICR_OVR_ISC
• Add missing bits definitions for DCMI_ESCR, DCMI_ESUR, DCMI_CWSTRT, DCMI_CWSIZE, DCMI_DR registers
• stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f437xx.h files
• Rename DCMI_MISR bit definitions to DCMI_MIS
• Rename DCMI_ICR_OVF_ISC to DCMI_ICR_OVR_ISC
• Add missing bits definitions for DCMI_ESCR, DCMI_ESUR, DCMI_CWSTRT, DCMI_CWSIZE, DCMI_DR registers
• stm32f410cx.h, stm32f410rx.h, stm32f410tx.h files
• Update the LPTIM SNGSTRT defined value
• stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
• Rename the DMA2D_IFSR bit definitions to DMA2D_IFCR
• stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h, stm32f446xx.h files 
• Correct a wrong value of SAI_xCR2_CPL definition bit 
  

V2.4.2 / 13-November-2015

Main Changes

• system_stm32f4xx.c file

• update SystemInit_ExtMemCtl() function implementation to allow the possibility of simultaneous use of DATA_IN_ExtSRAM and DATA_IN_ExtSDRAM
• stm32f4xx.h file
• add symbols for STM32F411xC devices
  
• stm32f405xx.h, stm32f407xx.h, stm32f415xx.h, stm32f417xx.h files
• add FSMC_BCRx_CPSIZE bits definitions
• remove FSMC_BWTRx_CLKDIV and FSMC_BWTRx_DATLAT bits definitions
• stm32f429xx.h, stm32f427xx.h, stm32f437xx.h files
• add FMC_BCRx_CPSIZE bits definitions
• remove FMC_BWTRx_CLKDIV and FMC_BWTRx_DATLAT bits definitions
• stm32f446xx.h, stm32f469xx.h and stm32f479xx.h
• update USB_OTG_GlobalTypeDef registers structure to remove ADP control registers
• add USB_OTG_DOEPMSK_OTEPSPRM and USB_OTG_DOEPINT_OTEPSPR bits definitions
• Remove ADP related bits definitions
• add IS_PCD_ALL_INSTANCE() and IS_HCD_ALL_INSTANCE() macros
  

V2.4.1 / 09-October-2015

Main Changes

• "stm32f469xx.h", "stm32f479xx.h"
  • Update bits definition for DSI_WPCR and DSI_TCCR registers
    

V2.4.0 / 14-August-2015

Main Changes

• Add support of STM32F469xx and STM32F479xx devices
  

• Add "stm32f469xx.h" and "stm32f479xx.h" files

• Add startup files  "startup_stm32f469xx.s" and "startup_stm32f479xx.s" for EWARM, MDK-ARM and SW4STM32 toolchains

• Add Linker files "stm32f469xx_flash.icf", "stm32f469xx_sram.icf", "stm32f479xx_flash.icf" and "stm32f479xx_sram.icf" used within EWARM Workspaces

• Add support of STM32F410xx devices
  

• Add "stm32f410cx.h", "stm32f410tx.h" and "stm32f410rx.h" files

• Add startup files  "startup_stm32f410cx.s", "startup_stm32f410rx.s" and "startup_stm32f410tx.s" for EWARM, MDK-ARM and SW4STM32 toolchains

• Add Linker files "stm32f410cx_flash.icf", "stm32f410cx_sram.icf", "stm32f410rx_flash.icf", "stm32f410tx_sram.icf", "stm32f410tx_flash.icf",  and "stm32f410rx_sram.icf" used within EWARM Workspaces

V2.3.2 / 26-June-2015

Main Changes

• "stm32f405xx.h", "stm32f407xx.h", "stm32f415xx.h" and "stm32f417xx.h"
  • Update FSMC_BTRx_DATAST and FSMC_BWTRx_DATAST (where x can be 1, 2, 3 and 4) mask on 8bits instead of 4bits
• "stm32f427xx.h", "stm32f437xx.h", "stm32f429xx.h" and "stm32f439xx.h"
  
  • Update the defined mask value for SAI_xSR_FLVL_2
• "stm32f415xx.h", "stm32f417xx.h", "stm32f437xx.h" and "stm32f439xx.h"
• HASH alignement with bits namming used in documentation
  • Rename HASH_IMR_DINIM to HASH_IMR_DINIE
  • Rename HASH_IMR_DCIM to HASH_IMR_DCIE
  • Rename HASH_STR_NBW to HASH_STR_NBW
• system_stm32f4xx.c
• Remove __IO on constant table declaration
• Implement workaround to cover RCC limitation regarding peripheral enable delay
• SystemInit_ExtMemCtl() update GPIO configuration when external SDRAM is used 

V2.3.1 / 03-April-2015

• Header file for all STM32 devices

  • Update SRAM2, SRAM3 and BKPSRAM Bit-Banding base address defined values
  • Keep reference to SRAM3 only for STM32F42xx and STM32F43xx devices
  • Remove CCMDATARAM_BB_BASE: the CCM Data RAM region is not accessible via Bit-Banding
    
  • Update the RTC_PRER_PREDIV_S defined value to 0x00007FFF instead of 0x00001FFF
    

V2.3.0 / 02-March-2015

Main Changes

• Add support of STM32F446xx devices
  

• Add "stm32f446xx.h" file

• Add startup file "startup_stm32f446xx.s" for EWARM, MDK-ARM and TrueSTUDIO toolchains

• Add Linker files "stm32f446xx_flash.icf" and "stm32f446xx_sram.icf" used within EWARM Workspaces

• Header file for all STM32 devices

  • Add missing bits definition in the EXTI IMR, EMR, RTSR, FTSR, SWIER and PR registers
  • Update RCC_AHB1RSTR_OTGHRST bit definition
  • Update PWR_CR_VOS bits definition for STM32F40xx and STM32F41xx devices

  • update SAI_xCR1_MCKDIV bit definition
    

V2.2.0 / 15-December-2014

Main Changes

• stm32f4xx.h

  • Add new constant definition STM32F4
    

• system_stm32f4xx.c
  

  • Fix SDRAM configuration in SystemInit_ExtMemCtl(): change RowBitsNumber from 11 to 12 (for MT48LC4M32B2 available on STM324x9I_EVAL board)
    

• Header file for all STM32 devices

  • Add missing bits definition for CAN, FMC and USB peripherals

  • GPIO_TypeDef: change the BSRR register definition, the two 16-bits definition BSRRH and BSRRL are merged in a single 32-bits definition BSRR

V2.1.0 / 19-June-2014

Main Changes

• Add support of STM32F411xExx devices
  

• Add "stm32f411xe.h" file

• Add startup file "startup_stm32f411xx.s" for EWARM, MDK-ARM and TrueSTUDIO toolchains

• All header files

• Add missing defines for GPIO LCKR Register

• Add defines for memories base and end addresses: FLASH, SRAM, BKPSRAM and CCMRAM.

• Add the following aliases for IRQ number and handler definition to ensure compatibility across the product lines of STM32F4 Series;
  

• example for STM32F405xx.h

• and for STM32F427xx.h

• "stm32f401xc.h" and "stm32f401xe.h": update to be in line with latest version of the Reference manual
• Remove RNG registers structures and the corresponding bit definitions
• Remove any occurrence to RNG (clock enable, clock reset,…)
• Add the following bit definition for PWR CR register
• #define  PWR_CR_ADCDC1      ((uint32_t)0x00002000)
• #define  PWR_CR_LPLVDS       ((uint32_t)0x00000400)     
• #define  PWR_CR_MRLVDS      ((uint32_t)0x00000800)     
• "stm32f427xx.h", "stm32f437xx.h", "stm32f429xx.h" and "stm32f439xx.h"
• Add a new legacy bit definition for PWR to be in line with latest version of the Reference manual
• #define  PWR_CR_LPUDS        PWR_CR_LPLVDS
• #define  PWR_CR_MRUDS      PWR_CR_MRLVDS

• Update startup files for EWARM toolchain to cope with compiler enhancement of the V7.10 version

• system_stm32f4xx.c

• Remove dependency vs. the HAL, to allow using this file without the need to have the HAL drivers
  
• Include stm32f4xx.h instead of stm32f4xx_hal.h
• Add definition of HSE_VALUE and HSI_VALUE, if they are not yet defined in the compilation scope (these values are defined in stm32f4xx_hal_conf).
  

• Use “__IO const” instead of “__I”, to avoid any compilation issue when __cplusplus switch is defined

V2.0.0 / 18-February-2014

Main Changes

• Update based on STM32Cube specification
  
• This version and later has to be used only with STM32CubeF4 based development

V1.3.0 / 08-November-2013

Main Changes

• Add support of STM32F401xExx devices

• Update startup files "startup_stm32f401xx.s" for EWARM, MDK-ARM, TrueSTUDIO and Ride toolchains: Add SPI4 interrupt handler entry in the vector table

V1.2.1 / 19-September-2013

Main Changes

• system_stm32f4xx.c : Update FMC SDRAM configuration (RBURST mode activation)
  

• Update startup files "startup_stm32f427_437xx.s" and "startup_stm32f429_439xx.s"  for TrueSTUDIO and Ride toolchains and maintain the old name of startup files for legacy purpose

V1.2.0 / 11-September-2013

Main Changes

• Add support of STM32F429/439xx and STM32F401xCxx devices

• Update definition of STM32F427/437xx devices : extension of the features to include system clock up to 180MHz, dual bank Flash, reduced STOP Mode current, SAI, PCROP, SDRAM and DMA2D
• stm32f4xx.h
  
  • Add the following device defines :
  • "#define STM32F40_41xxx" for all STM32405/415/407/417xx devices
  • "#define STM32F427_437xx" for all STM32F427/437xx devices
  • "#define STM32F429_439xx" for all STM32F429/439xx devices
  • "#define STM32F401xx" for all STM32F401xx devices
  • Maintain the old device define for legacy purpose
  • Update IRQ handler enumeration structure to support all STM32F4xx Family devices.  
• Add new startup files "startup_stm32f40_41xxx.s","startup_stm32f427_437xx.s", "startup_stm32f429_439xx.s" and "startup_stm32f401xx.s" for all toolchains and maintain the old name for startup files for legacy purpose
• system_stm32f4xx.c
  • Update the system configuration to support all STM32F4xx Family devices.  

V1.1.0 / 11-January-2013

Main Changes

• Official release for STM32F427x/437x devices.
• stm32f4xx.h
  
  • Update product define: replace "#define STM32F4XX" by "#define STM32F40XX" for STM32F40x/41x devices
  •  Add new product define: "#define STM32F427X" for STM32F427x/437x devices.
• Add new startup files "startup_stm32f427x.s" for all toolchains
• rename startup files "startup_stm32f4xx.s" by "startup_stm32f40xx.s" for all toolchains
• system_stm32f4xx.c
  • Prefetch Buffer enabled
  • Add reference to STM32F427x/437x devices and STM324x7I_EVAL board
  • SystemInit_ExtMemCtl() function
    
    • Add configuration of missing FSMC address and data lines
      
    • Change memory type to SRAM instead of PSRAM (PSRAM is available only on STM324xG-EVAL RevA) and update timing values

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

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