path: root/Drivers/CMSIS/Device/ST/STM32F4xx/Release_Notes.html



Release Notes for STM32F4xx CMSIS


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Release
Notes for STM32F4xx CMSIS
Copyright 2014 STMicroelectronics


Update History
            V2.0.0 / 18-February-2014 


            Main
Changes


Update
based on STM32Cube specification

This version 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


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