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<h1 id="release-notes-for-stm32f0xx-cmsis"><strong>Release Notes for STM32F0xx CMSIS</strong></h1>
<p>Copyright © 2016 STMicroelectronics<br />
</p>
<a href="https://www.st.com" class="logo"><img src="./_htmresc/st_logo.png" alt="ST logo" /></a>
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<h1 id="license"><strong>License</strong></h1>
This software component is licensed by ST under BSD 3-Clause license, the “License”; You may not use this component except in compliance with the License. You may obtain a copy of the License at:
<center>
<a href="https://opensource.org/licenses/BSD-3-Clause">https://opensource.org/licenses/BSD-3-Clause</a>
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<section id="update-history" class="col-sm-12 col-lg-8">
<h1><strong>Update History</strong></h1>
<div class="collapse">
<input type="checkbox" id="collapse-section2_3_6" aria-hidden="true"> <label for="collapse-section2_3_6" aria-hidden="true"><strong>V2.3.6 / 23-July-2021</strong></label>
<h2 id="main-changes">Main Changes</h2>
<ul>
<li>General updates
<ul>
<li>CAN updates
<ul>
<li>Remove extra CAN filters: bit fields 14..27</li>
</ul></li>
<li>Added new atomic register access macros in stm32f0xx.h file.</li>
<li>Add new defined value for LSI maximum startup time: LSI_STARTUP_TIME.</li>
</ul></li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_3_5" aria-hidden="true"> <label for="collapse-section2_3_5" aria-hidden="true"><strong>V2.3.5 / 06-November-2020</strong></label>
<h2 id="main-changes-1">Main Changes</h2>
<ul>
<li>General updates
<ul>
<li>Update stm32f030xc.h header file to be aligned with RCC_CFGR bit definition.</li>
<li>Rename the defined STM32 sub-family “STM32F048x6” to “STM32F048xx”</li>
<li>Add License.md and Readme.md files required for GitHub publication.</li>
</ul></li>
</ul>
</div>
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<input type="checkbox" id="collapse-section2_3_4" aria-hidden="true"> <label for="collapse-section2_3_4" aria-hidden="true"><strong>V2.3.4 / 12-September-2019</strong></label>
<h2 id="main-changes-2">Main Changes</h2>
<ul>
<li>General updates
<ul>
<li>Align ErrorStatus typedef to common error handling (stm32f0xx.h)</li>
<li>SystemInit(): update to don’t reset RCC registers to its reset values.</li>
<li>USE UL postfix for _Msk definitions and momory/peripheral base addresses for MISRA C 2012 Compliance</li>
</ul></li>
<li>Rename macro definition IS_USB_ALL_INSTANCE to IS_PCD_ALL_INSTANCE.</li>
<li>Add macro definition IS_GPIO_AF_INSTANCE for stm32f030xc devices</li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_3_3" aria-hidden="true"> <label for="collapse-section2_3_3" aria-hidden="true"><strong>V2.3.3 / 25-August-2017</strong></label>
<h2 id="main-changes-3">Main Changes</h2>
<ul>
<li>Remove support of Atollic TrueSTUDIO STM32 (TrueSTUDIO) toolchain.</li>
<li>Performance improvement of the startup code for GCC.</li>
</ul>
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<input type="checkbox" id="collapse-section2_3_2" aria-hidden="true"> <label for="collapse-section2_3_2" aria-hidden="true"><strong>V2.3.2 / 07-April-2017</strong></label>
<h2 id="main-changes-4">Main Changes</h2>
<ul>
<li>Rename GPIO_AFRH and GPIO_AFRL bitfields for alignment with all STM32 series.</li>
<li>Add macro definition : IS_TIM_ADVANCED.</li>
<li>Rename RTC_CR register bit definition to be aligned with STM32F0xx Reference Manual : RTC_CR_BCK ==&gt; RTC_CR_BKP</li>
</ul>
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<input type="checkbox" id="collapse-section2_3_1" aria-hidden="true"> <label for="collapse-section2_3_1" aria-hidden="true"><strong>V2.3.1 / 04-November-2016</strong></label>
<h2 id="main-changes-5">Main Changes</h2>
<ul>
<li>Add TIM6_IRQHandler in vectors table for STM32F030x8 devices</li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_3_0" aria-hidden="true"> <label for="collapse-section2_3_0" aria-hidden="true"><strong>V2.3.0 / 27-May-2016</strong></label>
<h2 id="main-changes-6">Main Changes</h2>
<ul>
<li>General updates
<ul>
<li>Updated CMSIS Device compliancy with MISRA C 2004 rules:
<ul>
<li>MISRA C 2004 rule 10.5 (bitwise operators ~ and &lt;&lt;).</li>
<li>MISRA C 2004 rule 10.6 (‘U’ suffix applied to all constants of ‘unsigned’ type).</li>
</ul></li>
<li>Updated system_stm32f3xx.h/.c files:
<ul>
<li>Added AHBPrescTable definition as external.</li>
<li>Added APBPrescTable definition as external.</li>
</ul></li>
</ul></li>
<li>EXTI updates
<ul>
<li>Added definitions of bit 31 in EXTI registers for STM32F04x, STM32F078xx and STM32F098xx devices.</li>
</ul></li>
<li>I2C updates
<ul>
<li>Added IS_I2C_WAKEUP_FROMSTOP_INSTANCE definition for I2C instances supporting Wakeup from Stop mode.</li>
</ul></li>
<li>I2S updates
<ul>
<li>Removed SPI_I2S prescaler register not supported by STM32F030x6 and STM32F030x8 devices.</li>
</ul></li>
<li>RCC updates
<ul>
<li>Added missing RCC_CFGR_PLLNODIV definition for STM32F030x4/6 devices.</li>
</ul></li>
<li>RTC updates
<ul>
<li>Removed cast from RTC_BKP_NUMBER definition.</li>
</ul></li>
<li>SYSCFG updates
<ul>
<li>Renamed SYSCFG_CFGR1_IRDA_ENV_SEL bit definitions to SYSCFG_CFGR1_IR_MOD for SYSCFG_CFGR1 register.</li>
</ul></li>
<li>TIM updates
<ul>
<li>Added IS_TIM_HALL_SENSOR_INTERFACE_INSTANCE definition.</li>
<li>Added IS_TIM_ETR_INSTANCE definition.</li>
</ul></li>
<li>UART updates
<ul>
<li>Renamed IS_UART_WAKEUP_INSTANCE to IS_UART_WAKEUP_FROMSTOP_INSTANCE.</li>
</ul></li>
<li>USART updates
<ul>
<li>Defined USART_ISR_RWU bit for all STM32F0xx devices.</li>
</ul></li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_2_3" aria-hidden="true"> <label for="collapse-section2_2_3" aria-hidden="true"><strong>V2.2.3 / 29-January-2016</strong></label>
<h2 id="main-changes-7">Main Changes</h2>
<ul>
<li>Added mention to STM32F091xB mcus missing in the list of mcus of stm32f0xx.h.</li>
<li>Updated CMSIS Device compliancy with MISRA C 2004 rule 10.6.</li>
<li>Updated CMSIS Device compliancy with MISRA C 2004 rule 5.1.</li>
<li>Added HSI48_VALUE definition in system_stm32f0xx.c file.</li>
<li>Put variable AHBPrescTable as external in system_stm32f0xx.h.</li>
<li>Added channel selection bit definitions for for DMA1_CSELR register.</li>
<li>Used RCC_CFGR_MCOSEL as reference in all the families.</li>
<li>Renamed RCC_CFGR_MCOSEL_PLL to RCC_CFGR_MCOSEL_PLL_DIV2 for alignment between all families.</li>
<li>Updated EWUPx pins defintions for STM32F042x6 and STM32F048xx devices.</li>
<li>Added FLASHSIZE_BASE and UID_BASE defines.</li>
<li>Added missing bits definition for RTC_TAFCR register.</li>
<li>Added missing bits definition for I2C_OAR2 register (I2C_OAR2 mask values).</li>
<li>Renamed I2C_CR1_DFN to I2C_CR1_DNF bit definition for I2C_CR1 register.</li>
<li>Removed __IO or __I on constant table declaration.</li>
<li>Used default DAC instance naming DAC1 in macro IS_DAC_ALL_INSTANCE().</li>
<li>Aligned EXTI registers Bits naming between all families.</li>
<li>Aligned WWDG registers Bits naming between all families.</li>
<li>Aligned COMP common instance definition.</li>
<li>Corrected CRC defines: Replaced POL field by RESERVED3 for STM32F030x6, STM32F030x8, STM32F031x6, STM32F038xx, STM32F042x6, STM32F048xx devices.</li>
<li>Corrected CRC defines: Removed Bit definitions related to Polynomial in CRC_CR and CRC_POL registers for STM32F030xC.</li>
<li>Updated for ADC: removed conditions on CCR_TS definition.</li>
<li>Corrected SYSCFG_RTC_WAKEUP and SYSCFG_RTC_ALRA Bits definition for SYSCFG_xxx ISR Wrapper register.</li>
<li>Added ADC_CHSELR_CHSEL Bit definition for ADC_CHSELR register.</li>
<li>Removed RCC_CSR_V18PWRRSTF Bit definition for STM32F0x8xx devices.</li>
<li>Corrected USART defines for STM32F030xx, STM32F070xx devices.</li>
<li>Removed IS_UART_AUTOBAUDRATE_DETECTION_INSTANCE macro definition.</li>
<li>Adapted IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE to device feature support.</li>
<li>Removed IS_UART_DRIVER_ENABLE_INSTANCE definition for STM32F030x8, STM32F030xC and STM32F070xB devices.</li>
<li>Corrected FLASH_OBR_nBOOT0 value.</li>
<li>Removed Synchronous mode support on USART5/6 for STM32F030xC.</li>
<li>Removed HW Flow Control support on USART5/6/7/8 for STM32F091xC.</li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_2_2" aria-hidden="true"> <label for="collapse-section2_2_2" aria-hidden="true"><strong>V2.2.2 / 26-June-2015</strong></label>
<h2 id="main-changes-8">Main Changes</h2>
<ul>
<li>Add missing WUT bits in EXTI_IMR/EMR/RTSR/FTSR/PR/SWIER for different IT lines.</li>
<li>Add preprocessor compilation switch #define STM32F0 in stm32f0xx.h.</li>
<li>Correct FLASH_KEY name difference between STM32F0 and STM32F3.</li>
<li>Remove RCC_CFGR3_USART2SW from CMSIS, present only for STM32F07x and STM32F09x.</li>
<li>Modify EXTI/COMP defines from uint16 to uint32.</li>
<li>Add missing definitions of EXTI_IMR_MR31 used by PWREx in stm32f042x6 and stm32f048xx files.</li>
<li>Add FLASH_BANK1_END defines.</li>
<li>Remove WRP defines for few defines under devices swicthes.</li>
<li>Add FLASH_OBR_RAM_PARITY_CHECK and FLASH_OBR_BOOT_SEL CMSIS files.</li>
</ul>
</div>
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<input type="checkbox" id="collapse-section2_2_1" aria-hidden="true"> <label for="collapse-section2_2_1" aria-hidden="true"><strong>V2.2.1 / 09-January-2015</strong></label>
<h2 id="main-changes-9">Main Changes</h2>
<ul>
<li>system_stm32f0xx.c: replace wrong compilation switch STM32F078xB by STM32F078xx.</li>
<li>stm32F070xb.h: correct wrong DMA remap mask value for STM32f070xB.</li>
<li>stm32F070xb.h, stm32F070x6.h, stm32F030xc.h: add missing macro IS_UART_DRIVER_ENABLE_INSTANCE()</li>
<li>stm32F070xb.h, stm32F030xc.h: add missing RTC periodic Wakeup register &amp; bits description</li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_2_0" aria-hidden="true"> <label for="collapse-section2_2_0" aria-hidden="true"><strong>V2.2.0 / 05-December-2014</strong></label>
<h2 id="main-changes-10">Main Changes</h2>
<ul>
<li>Add CMSIS files for new STM32F0 value line devices: STM32F030xC and STM32F070x6/xB.</li>
<li>Add macro to check AF capability of gpio instance</li>
<li>uint32_t alignement done on all Peripheral registers structures &amp; bits definition</li>
<li>stm32f091xc.h: DMA channel remap register renamed for compatibility with other STM32 devices</li>
<li>startup_stm32f042x6.s &amp; startup_stm32f070x6.s: fix boot issue</li>
</ul>
</div>
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<input type="checkbox" id="collapse-section2_1_0" aria-hidden="true"> <label for="collapse-section2_1_0" aria-hidden="true"><strong>V2.1.0 / 03-October-2014</strong></label>
<h2 id="main-changes-11">Main Changes</h2>
<ul>
<li>Add new CMSIS files for STM32F091xc and STM32F098xx products</li>
<li>VDDIO2 IRQ missing in F07xx/F09xx/F04xx product</li>
<li>IS_DAC_CHANNEL_INSTANCE macro removed as unused</li>
<li>uint32_t partial alignement done on peripheral Bit definition &amp; register structure</li>
<li>Bit definition name error for DMA_RMPCR1 register of STM32F091xC</li>
<li>Remove PDV feature on REGoff part</li>
<li>Remove POSITION_VAL macro as it uses RBIT, CLZ instructions, that are not supported by Cortex-M0</li>
<li>GPIOS BSRR regsiter should not be split in BSRRH/BSRRL</li>
</ul>
</div>
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<input type="checkbox" id="collapse-section2_0_1" aria-hidden="true"> <label for="collapse-section2_0_1" aria-hidden="true"><strong>V2.0.1 / 18-June-2014</strong></label>
<h2 id="main-changes-12">Main Changes</h2>
<ul>
<li>General
<ul>
<li>Add new macros
<ul>
<li>IS_GPIO_LOCK_INSTANCE to check GPIO port with lock capability</li>
<li>IS_UART_HALFDUPLEX_INSTANCE, IS_UART_LIN_INSTANCE and IS_UART_WAKEUP_INSTANCE to check the UART instance supported features.</li>
</ul></li>
</ul></li>
<li>STM32F042x8 and STM32F048xx update
<ul>
<li>Rename DMA1_Channel4_5_6_7_IRQn to DMA1_Channel4_5_IRQn</li>
<li>Rename ADC1_COMP_IRQn to ADC1_IRQn</li>
<li>Remove SPI2 instance</li>
</ul></li>
<li>STM32F051x8, STM32F058xx, STM32F071xB, STM32F072xB and STM32F078xx update
<ul>
<li>Fix COMP2 instance base address</li>
<li>Add new macro IS_COMP_DAC1SWITCH_INSTANCE to check COMP instance with switch of DAC1 channel1 output to non inverting input</li>
</ul></li>
<li>STM32F051x8 and STM32F058xx update
<ul>
<li>Rename DMA1_Channel4_5_6_7_IRQn to DMA1_Channel4_5_IRQn</li>
</ul></li>
<li>STM32F078xx update
<ul>
<li>Remove CAN peripheral description</li>
</ul></li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section2_0_0" aria-hidden="true"> <label for="collapse-section2_0_0" aria-hidden="true"><strong>V2.0.0 / 28-May-2014</strong></label>
<h2 id="main-changes-13">Main Changes</h2>
<ul>
<li>Major update based on STM32Cube specification: new CMSIS device files release dedicated to <strong>STM32F030x4/x6, STM32F030x8, STM32F031x4/x6, STM32F051x4/x6/x8, STM32F071x8/xB, STM32F042x4/x6, STM32F072x8/xB, STM32F038xx, STM32F048xx, STM32F058xx and STM32F078xx devices</strong>.</li>
<li><strong>This version has to be used for STM32CubeF0 based development although files can be used independently too</strong>.</li>
</ul>
</div>
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<input type="checkbox" id="collapse-section1_2_1" aria-hidden="true"> <label for="collapse-section1_2_1" aria-hidden="true"><strong>V1.2.1 / 22-November-2013</strong></label>
<h2 id="main-changes-14">Main Changes</h2>
<ul>
<li>stm32f0xx.h
<ul>
<li>Update STM32F030 devices definition:
<ul>
<li>Remove the STM32F030X8 and STM32FO30X6 defines and replace them with the STM32F030 define</li>
</ul></li>
<li>Update IRQn enum for STM32F030 devices</li>
</ul></li>
<li>system_stm32f0xx.c
<ul>
<li>SystemInit(): update to support STM32F030 devices</li>
</ul></li>
<li>Remove the startup files startup_stm32f030x8.s and startup_stm32f030x6.s and replace them by startup_stm32f030.s, for EWARM, MDK-ARM and Truestudio supported compilers</li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section1_2_0" aria-hidden="true"> <label for="collapse-section1_2_0" aria-hidden="true"><strong>V1.2.0 / 01-August-2013</strong></label>
<h2 id="main-changes-15">Main Changes</h2>
<ul>
<li>Add support of STM32F030 devices (STM32F030x8 and STM32F030x6 microcontrollers where the Flash memory ranges between 16 and 32 Kbytes)</li>
<li>stm32f0xx.h
<ul>
<li>Update STM32F0xx devices definition:
<ul>
<li>Add new definition STM32F030X8 and STM32FO30X6 for STM32F030 devices</li>
</ul></li>
<li>Update IRQn enum for STM32F030 devices system_stm32f0xx.c SystemInit(): update to support STM32F030 devices Add new startup files, startup_stm32f030x8.s and startup_stm32f030x6.s, for EWARM, MDK-ARM and Truestudio supported compilers</li>
</ul></li>
</ul>
</div>
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<input type="checkbox" id="collapse-section1_1_1" aria-hidden="true"> <label for="collapse-section1_1_1" aria-hidden="true"><strong>V1.1.1 / 31-July-2013</strong></label>
<h2 id="main-changes-16">Main Changes</h2>
<ul>
<li>stm32f0xx.h
<ul>
<li>Extend HSE_STARTUP_TIMEOUT and HSI_STARTUP_TIMEOUT values to 0x5000</li>
</ul></li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section1_1_0" aria-hidden="true"> <label for="collapse-section1_1_0" aria-hidden="true"><strong>V1.1.0 / 10-May-2013</strong></label>
<h2 id="main-changes-17">Main Changes</h2>
<ul>
<li>Add support of STM32F0xx Low-density devices (STM32F050xx and STM32F060xx microcontrollers where the Flash memory ranges between 16 and 32 Kbytes)</li>
<li>stm32f0xx.h
<ul>
<li>Update STM32F0xx devices definition:
<ul>
<li>Define for STM32F0xx Medium-density devices changed from STM32F0XX to STM32F0XX_MD</li>
<li>Add new definition STM32F0XX_LD for STM32F0xx Low-density devices</li>
</ul></li>
<li>Update IRQn enum for STM32F0XX_LD devices</li>
<li>Add new bits definition
<ul>
<li>RCC_CFGR register: MCOPRE[0:2] and PLLNODIV</li>
<li>SYSCFG_CFGR1 register: FMP_I2C1, FMP_PA9 and FMP_PA10</li>
</ul></li>
</ul></li>
<li>system_stm32f0xx.c
<ul>
<li>SystemInit(): update to reset new bits added in RCC_CFGR register</li>
</ul></li>
<li>Add new startup files, startup_stm32f0xx_ld.s, for the supported compilers</li>
</ul>
</div>
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<input type="checkbox" id="collapse-section1_0_2" aria-hidden="true"> <label for="collapse-section1_0_2" aria-hidden="true"><strong>V1.0.2 / 13-July-2012</strong></label>
<h2 id="main-changes-18">Main Changes</h2>
<ul>
<li>stm32f0xx.h
<ul>
<li>Fix issue with gcc_ride7 startup file</li>
</ul></li>
</ul>
</div>
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<input type="checkbox" id="collapse-section1_0_1" aria-hidden="true"> <label for="collapse-section1_0_1" aria-hidden="true"><strong>V1.0.1 / 20-April-2012</strong></label>
<h2 id="main-changes-19">Main Changes</h2>
<ul>
<li>stm32f0xx.h
<ul>
<li>Add reference to STM32F050xx (Flash memory up to 32 Kbytes) and STM32F051xx (Flash memory up to 64 Kbytes) devices</li>
<li>RTC register bits definition: remove reference to Tamper3</li>
</ul></li>
</ul>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section1_0_0" aria-hidden="true"> <label for="collapse-section1_0_0" aria-hidden="true"><strong>V1.0.0 / 04-September-2012</strong></label>
<h2 id="main-changes-20">Main Changes</h2>
<ul>
<li>First official release for <strong>STM32F30x</strong> devices (Standard Library)</li>
</ul>
</div>
</section>
</div>
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