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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<meta charset="utf-8" />
<meta name="generator" content="pandoc" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<title>Release Notes for STM32CubeL5 Firmware Package</title>
<style type="text/css">
code{white-space: pre-wrap;}
span.smallcaps{font-variant: small-caps;}
span.underline{text-decoration: underline;}
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</head>
<body>
<div class="row">
<div class="col-sm-12 col-lg-4">
<center>
<h1 id="release-notes-for">Release Notes for</h1>
<h1 id="stm32cubel5-firmware-package"><mark>STM32CubeL5 Firmware Package</mark></h1>
<p>Copyright © 2019 STMicroelectronics<br />
</p>
<a href="https://www.st.com" class="logo"><img src="_htmresc/st_logo_2020.png" alt="ST logo" /></a>
</center>
<h1 id="purpose">Purpose</h1>
<p>STM32L5 series will serve all applications requiring ultra low-power and security thanks to Cortex-M33 core with the TrustZone support.</p>
<p><span style="font-weight: bold;">STMCube is an STMicroelectronics original initiative to ease developers life by reducing development efforts, time and cost.</span></p>
<p>STM32Cube covers STM32 portfolio.</p>
<p>STM32Cube Version 1.x includes:</p>
<ul>
<li><p>The STM32CubeMX, a graphical software configuration tool that allows to generate C initialization code using graphical wizards.</p></li>
<li><p>A comprehensive embedded software platform, delivered per series (such as STM32CubeL5 for STM32L5 series)</p>
<ul>
<li><p>The STM32Cube HAL, an STM32 abstraction layer embedded software, ensuring maximized portability across STM32 portfolio</p></li>
<li><p>A consistent set of middleware components such as RTOS, USB, TCP/IP, Graphics</p></li>
</ul></li>
</ul>
<p>All embedded software utilities come with a full set of examples.</p>
<p>The STM32Cube firmware solution offers a straightforward API with a modular architecture, making it simple to fine tune custom applications and scalable to fit most requirements.</p>
<p><img src="_htmresc/STM32Cube_2020.bmp" /></p>
<p>The set of middleware components depends on the STM32 Series.</p>
<p>The HAL (Hardware Abstraction Layer) and LL (Low Layers) drivers provided within this package support the <strong>STM32L552xx/62xx</strong> lines.</p>
<p>The HAL and LL drivers provided within this package are compliant with MISRA-C:2012 guidelines, and have been reviewed with a static analysis tool to eliminate possible run-time errors. Reports are available on demand.</p>
</div>
<div class="col-sm-12 col-lg-8">
<h1 id="update-history">Update History</h1>
<div class="collapse">
<input type="checkbox" id="collapse-section9" checked aria-hidden="true"> <label for="collapse-section9" aria-hidden="true"><strong>V1.6.0/ 29-October-2025</strong></label>
<div>
<h2 id="main-changes">Main Changes</h2>
<ul>
<li>General updates to fix known defects and implementation enhancements.</li>
<li><strong>SLA0044</strong> Legal terms updated to latest revision <strong>(Rev 6 / October 2025)</strong></li>
<li><strong>SLA0048</strong> Legal terms updated to latest revision <strong>(Rev 5 / October 2025)</strong></li>
<li>TFM Applications are now distributed directly by the <a href="https://www.trustedfirmware.org/">TrustedFirmware.org</a> community and are no longer supported within the STM32CubeL5 package.
<ul>
<li>Consequently, the <strong>trustedfirmware</strong> Lib has been removed.</li>
<li><strong>For more information on using TF-M on STM32xx please refer to following links and documentation.</strong></li>
<li>All details and link available at <a href="https://trustedfirmware-m.readthedocs.io/en/latest/platform/stm/">tf-m-user-guide</a></li>
</ul></li>
<li>Upgrade <strong>mbed-crypto</strong> library to use <strong>V3.6.4 (ST modified 2025-07-01)</strong>.</li>
<li>Upgrade <strong>USBPD Device</strong> library to use <strong>L5 V5.1.1</strong>.</li>
<li>Upgrade <strong>FreeRTOS</strong> library to use <strong>V10.6.2 (ST modified 2024-10-11)</strong>.</li>
<li>Upgrade <strong>mcuboot</strong> library to use <strong>v1.7.2.38</strong>.</li>
<li>Upgrade <strong>GUI_INTERFACE</strong> library to use <strong>GUI_V2.3.0</strong>.</li>
<li>Add <strong>GPIO_Demo</strong> example.</li>
</ul>
<h2 id="contents">Contents</h2>
<h3 id="sbom"><strong>SBOM</strong></h3>
<ul>
<li>Deliver SBOM in <a href="sbom_cdx.json">CycloneDX v1.5 format</a></li>
</ul>
<h3 id="cmsis-device-updates"><strong>CMSIS Device</strong> updates</h3>
<ul>
<li>Fix Capture Compare register TIMx_CCR5 definition.</li>
<li>Allow redefinition of the macro ‘VECT_TAB_OFFSET’ via IDE, makefile, or command line.</li>
<li>Update core_cm33 header file inclusion to use double quotes instead of angle brackets.</li>
</ul>
<h3 id="halll-drivers-updates"><strong>HAL/LL Drivers</strong> updates</h3>
<ul>
<li><strong>HAL ADC</strong>
<ul>
<li>Correct length parameter definition in HAL_ADCEx_MultiModeStart_DMA() API.</li>
</ul></li>
<li><strong>HAL CRC</strong>
<ul>
<li>Replace successive ‘if’ statements by ‘else if’ to improve checksum calculation performance in CRC_Handle_8() static function.</li>
</ul></li>
<li><strong>HAL DAC</strong>
<ul>
<li>Update HAL_DACEx_SelfCalibrate() API to handle calibration factor equal to the range maximum value.</li>
</ul></li>
<li><strong>HAL CRYP</strong>
<ul>
<li>Remove __HAL_UNLOCK() invocation when __HAL_LOCK() is not present.</li>
<li>Prevent reading outside the boundaries of local array for all data type.</li>
</ul></li>
<li><strong>HAL FDCAN</strong>
<ul>
<li>Fix assert issue when Standard or Extended filter numbers are zeros.</li>
<li>Fix GetIndex computation overflow in overwrite mode in HAL_FDCAN_GetRxMessage() API.</li>
</ul></li>
<li><strong>HAL GPIO</strong>
<ul>
<li>Add Pull down capability in analog mode.</li>
</ul></li>
<li><strong>HAL PWR</strong>
<ul>
<li>Add guidance for HAL_PWR_ConfigAttributes() API description.</li>
</ul></li>
<li><strong>HAL RCC</strong>
<ul>
<li>Add guidance for HAL_RCC_ConfigAttributes() API description.</li>
</ul></li>
<li><strong>HAL FLASH</strong>
<ul>
<li>Change timeout calculation method in FLASH_WaitForLastOperation() function for improved handling.</li>
<li>Update the description of FLASH_OB_UserConfig() function.</li>
</ul></li>
<li><strong>HAL HASH</strong>
<ul>
<li>Remove commented code section.</li>
<li>Enhance HASH_Start_IT() function to properly handle remaining data smaller than 4 bytes during the processing phase.</li>
</ul></li>
<li><strong>HAL Cortex</strong>
<ul>
<li>Add MPU attributes description.</li>
</ul></li>
<li><strong>HAL I2C</strong>
<ul>
<li>Move variable declaration at the beginning in I2C_TransferCofig() function.</li>
<li>Update HAL_I2C_IsDeviceReady() API to consider number of trials.</li>
</ul></li>
<li><strong>HAL SMBUS</strong>
<ul>
<li>Improve HAL_SMBUS_IsDeviceReady() API to better handle STOP flag timing issues by allowing automatic retries and improved error recovery.</li>
</ul></li>
<li><strong>HAL NAND</strong>
<ul>
<li>Correct buffer assignment to ensure proper volatile access improving data integrity and preventing compiler optimization issues.</li>
<li>Remove unused local variables.</li>
</ul></li>
<li><strong>HAL OSPI</strong>
<ul>
<li>Add new helper HAL_OSPI_IsMemoryMapped() API to verify whether memory-mapped mode is configured or not.</li>
<li>change ChipSelectHighTime max limits to 64 to feat with specification.</li>
<li>Keep BSY flag high at the end of data transfer in SPI_EndRxTransaction() static API.</li>
</ul></li>
<li><strong>HAL RNG</strong>
<ul>
<li>Distinguish errors from RecoverSeedError and SeedError.</li>
<li>Modify CR register configuration in HAL_RNG_Init() API to be compliant with NIST.</li>
</ul></li>
<li><strong>HAL SPI</strong>
<ul>
<li>Add note clarifying HAL_SPI_Receive() API behavior in master mode.</li>
<li>Add units to physical measurements.</li>
<li>Avoid buffer overflow in SPI_WaitFifoStateUntilTimeout() function.</li>
<li>Check data size before changing state in reception API.</li>
<li>Keep BSY bit high to the end of a data transfer.</li>
</ul></li>
<li><strong>HAL TIM</strong>
<ul>
<li>Fix update flag (UIF) clearing in TIM_Base_SetConfig() function.</li>
<li>Update TIM_CCER_CCxE_MASK to support internal TIM Channel 5 and 6.</li>
<li>Fix complementary channel being systematically disabled by TIM_OCx_SetConfig() function.</li>
</ul></li>
<li><strong>HAL UART</strong>
<ul>
<li>Report an Idle event (HAL_UART_RXEVENT_IDLE) during DMA Circular mode reception by invoking the appropriate Rx Event callback.</li>
<li>Align prescaler value used by default in UART_GET_DIV_FACTOR macro with reference manual.</li>
<li>Correct DMA Rx abort procedure impact on ongoing Tx transfer in polling mode in static function UART_DMAAbortOnError().</li>
<li>Correct references to HAL_UARTEx_WakeupCallback and to HAL_UART_WAKEUP_CB_ID define, according to serie capabilities</li>
<li>Correct wrong comment in HAL_UARTEx_DisableFifoMode() API.</li>
<li>Ensure UART Rx buffer is not written beyond boundaries during RX FIFO reception in Interrupt mode.</li>
<li>Improve Rx Event callback by reporting accurate position for remaining DMA transfers.</li>
</ul></li>
<li><strong>HAL USART</strong>
<ul>
<li>Align prescaler value used by default in USART_GET_DIV_FACTOR macro with reference manual.</li>
<li>Correct wrong comment in HAL_USARTEx_DisableFifoMode() API.</li>
</ul></li>
<li><strong>HAL USB</strong>
<ul>
<li>Fix security advisory SA0035.</li>
</ul></li>
</ul>
<h3 id="middlewares-updates"><strong>Middlewares</strong> updates</h3>
<ul>
<li>Upgrade <strong>mbed-crypto</strong> library to use <strong>V3.6.4 (ST modified 2025-07-01)</strong>.</li>
<li>Upgrade <strong>USB Device</strong> library to use <strong>V2.11.5</strong>.</li>
<li>Upgrade <strong>USBPD Device</strong> library to use <strong>L5 V5.1.1</strong>.</li>
<li>Upgrade <strong>USBPD Core</strong> library to use <strong>V4.3.2</strong>.</li>
<li>Upgrade <strong>FreeRTOS</strong> library to use <strong>V10.6.2 (ST modified 2024-10-11)</strong>.</li>
<li>Upgrade <strong>mcuboot</strong> library to use <strong>v1.7.2.38</strong>.</li>
<li>Remove <strong>trustedfirmware</strong> library.</li>
</ul>
<h3 id="bsp-drivers-updates"><strong>BSP Drivers</strong> updates</h3>
<ul>
<li><strong>NUCLEO-L552ZE-Q</strong>
<ul>
<li>Add Button state (Released/Pressed) to stm32l5xx_nucleo.h</li>
</ul></li>
</ul>
<h3 id="projects-updates"><strong>Projects</strong> updates</h3>
<ul>
<li><strong>STM32L562E-DK</strong>
<ul>
<li>Remove TFM applications (keep only Readme files).</li>
</ul></li>
<li><strong>NUCLEO-L552ZE-Q</strong>
<ul>
<li>Add GPIO_Demo example.</li>
<li>SBSFU applications:
<ul>
<li>Support firmware upgrade via Ymodem from the application menu STM32CubeIDE.</li>
<li>Remove q_a.txt file.</li>
</ul></li>
</ul></li>
<li><strong>STM32L552E-EV</strong>
<ul>
<li>ICACHE_SRAM_Memory_Remap example: Improvement for higher performance.</li>
</ul></li>
</ul>
<p><br />
</p>
<ul>
<li>The STM32CubeL5 Firmware package comes with a rich set of examples running on STMicroelectronics boards, organized by board and provided with preconfigured projects for the main supported toolchains.</li>
<li>The exhaustive list of projects is provided in this table (<a href="Projects/STM32CubeProjectsList.html">STM32CubeProjectsList.html</a>).</li>
</ul>
<p><br />
</p>
<h2 id="components-vs-v1.5.1">Components vs V1.5.1</h2>
<p><small>The components flagged by “<span class="icon-st-update"></span>” have changed since the previous release. “<span class="icon-st-add"></span>” are new.</small></p>
<p><br />
</p>
<h2 id="contents-1">Contents</h2>
<p><strong>Projects</strong></p>
<table>
<caption>Projects</caption>
<thead>
<tr class="header">
<th>Name</th>
<th>Version</th>
<th style="text-align: left;">Release notes</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>Projects</td>
<td>V1.6.0 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Projects/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Drivers</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: center;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">CMSIS</td>
<td style="text-align: left;">V5.6.0</td>
<td style="text-align: center;"><a href="Drivers/CMSIS/docs/index.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32L5xx CMSIS</td>
<td style="text-align: left;">V1.0.7 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/cmsis-device-l5/blob/master/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">STM32L5xx HAL</td>
<td style="text-align: left;">V1.0.7 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l5xx-hal-driver/blob/master/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP STM32L552E-EV</td>
<td style="text-align: left;">V1.0.4</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l552e-ev-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP STM32L562E-DK</td>
<td style="text-align: left;">V1.1.2</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l562e-dk-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP STM32L5xx_Nucleo</td>
<td style="text-align: left;">V1.0.5 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l5xx-nucleo-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP Common</td>
<td style="text-align: left;">V7.3.0 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-bsp-common/blob/v7.3.0/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP cs42l51</td>
<td style="text-align: left;">V2.0.7 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-cs42l51/blob/v2.0.7/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP ft6x06</td>
<td style="text-align: left;">V2.0.3 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-ft6x06/blob/v2.0.3/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP hx8347i</td>
<td style="text-align: left;">V2.0.3 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-hx8347i/blob/v2.0.3/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP iss66wvh8m8</td>
<td style="text-align: left;">V2.0.1 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-iss66wvh8m8/blob/v2.0.1/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP lsm6dso</td>
<td style="text-align: left;">V1.5.4<span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-lsm6dso/blob/v1.5.4/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP mfxstm32l152</td>
<td style="text-align: left;">V4.0.1 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-mfxstm32l152/blob/v4.0.1/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP mx25lm51245g</td>
<td style="text-align: left;">V2.0.8 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-mx25lm51245g/blob/v2.0.9/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP stmpe811</td>
<td style="text-align: left;">V3.0.2 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-stmpe811/blob/v3.0.2/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP st7789h2</td>
<td style="text-align: left;">V2.0.4 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-st7789h2/blob/v2.0.4/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Middlewares</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: left;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">STM32 USB Device Library</td>
<td style="text-align: left;">V2.11.5 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USB_Device_Library/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32 USBPD Core Library</td>
<td style="text-align: left;">V4.3.2 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USBPD_Library/Core/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">STM32 USBPD Device Library</td>
<td style="text-align: left;">L5 V5.1.1 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USBPD_Library/Devices/STM32L5XX/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32 TouchSensing Library</td>
<td style="text-align: left;">V2.2.0</td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_TouchSensing_Library/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">FatFS R0.12c ST modified 20191011</td>
<td style="text-align: left;">R0.12c</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FatFs/src/00history.txt">FatFS release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20191011</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FatFs/src/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">FreeRTOS</td>
<td style="text-align: left;">V10.6.2 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FreeRTOS/Source/readme.txt">FreeRTOS release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20241011 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FreeRTOS/Source/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mbedTLS ST modified 20231024</td>
<td style="text-align: left;">V2.16.2</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbedtls/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20231024</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbedtls/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mbed-crypto ST modified 20250701</td>
<td style="text-align: left;">V3.6.4 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbed-crypto/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20250701 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbed-crypto/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mcuboot</td>
<td style="text-align: left;">V1.7.2.4.38 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mcuboot/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20250722 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mcuboot/st_readme.txt">ST release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Utilities<br />
</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: left;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">lcd</td>
<td style="text-align: left;">V2.0.3</td>
<td style="text-align: left;"><a href="Utilities/lcd/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">Fonts</td>
<td style="text-align: left;">V2.0.4</td>
<td style="text-align: left;"><a href="Utilities/Fonts/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">GUI_INTERFACE</td>
<td style="text-align: left;">V2.3.0 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Utilities/GUI_INTERFACE/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">TRACER_EMB</td>
<td style="text-align: left;">V1.7.1</td>
<td style="text-align: left;"><a href="Utilities/TRACER_EMB/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<h2 id="notes">Notes</h2>
<ul>
<li>The instruction cache (ICACHE) must be enabled by software to get a 0 wait-state execution from Flash memory and external memories, and reach the maximum performance.</li>
<li>Caution on User Option bytes requirements for TZEN=1 prior to execution (see TrustZone project examples readme.txt file)</li>
</ul>
<h2 id="known-limitations">Known Limitations</h2>
<ul>
<li>Warnings are logged in EWARM TrustZone projects with ‘Verify Download’ option in IAR Embedded Workbench for ARM toolchain V8.42.2 and V8.50.5 but not preventing to run and debug.</li>
<li>Warning is logged in MDK-ARM SBSFU_Boot and TFM_SBSFU_Boot projects during the Linking stage but not preventing to run and debug.</li>
</ul>
<h2 id="development-toolchains-and-compilers">Development Toolchains and Compilers</h2>
<ul>
<li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.50.9 minimum + ST-Link</li>
<li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.38 minimum (ARM Compiler 5 (“AC5-like Warnings” selected))
<ul>
<li>Note : MDK-ARM 5.38 comes by default with AC6 only. To use it with AC5, please follow the steps available in this AN:
<ul>
<li>https://developer.arm.com/documentation/ka005073/latest/</li>
</ul></li>
</ul></li>
<li>STM32CubeIDE toolchain V1.19.0</li>
</ul>
<h2 id="supported-devices-and-hw-boards">Supported Devices and HW boards</h2>
<ul>
<li>STM32L552xx/STM32L562xx devices</li>
<li>STM32L552E-EV Evaluation board (MB1372 C-02)</li>
<li>STM32L562E-DK Discovery kit (MB1373 C-01)</li>
<li>NUCLEO-L552ZE-Q Nucleo kit (MB1361 C-02)</li>
</ul>
<h2 id="backward-compatibility">Backward Compatibility</h2>
<ul>
<li>This release is compatible with the previous versions</li>
</ul>
<h2 id="dependencies">Dependencies</h2>
<ul>
<li><p>STM32CubeMX V6.16.0</p></li>
<li>STM32CubeProgrammer V2.21.0
<ul>
<li>This tool shall be used to enable the security on the devices (TZEN=1)</li>
<li>For TrustZone projects, to match the CMSIS Device Template partition_stm32l552xx.h/partition_stm32l562xx.h for SAU declaration and secure project examples Flash configuration, please set the User Option bytes as follows before download and execution:
<ul>
<li>TZEN=1</li>
<li>DBANK=1</li>
<li>SECWM1_STRT=0x0 SECWM1_PEND=0x7F meaning all 128 pages of Internal Flash Bank1 set as secure</li>
<li>SECWM2_STRT=0x1 SECWM1_PEND=0x0 meaning no page of Flash Bank2 set as secure, hence Bank2 non-secure</li>
</ul></li>
<li>For other projects with no TrustZone, please set the User Option Bytes as follows before download and execution:
<ul>
<li>TZEN=0</li>
<li>DBANK=1</li>
</ul></li>
</ul></li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section8" aria-hidden="true"> <label for="collapse-section8" aria-hidden="true"><strong>V1.5.1/ 09-February-2024</strong></label>
<div>
<h2 id="main-changes-1">Main Changes</h2>
<p><strong>Maintenance release</strong></p>
<ul>
<li>General updates to fix known defects and implementation enhancements.</li>
<li>General fixes to support GCC11 and GCC12 in all STM32CubeIDE projects.</li>
<li>Upgrade <strong>USBPD Core</strong> library to use <strong>V4.3.1</strong>.</li>
<li>Upgrade <strong>MbedTLS</strong> library to use <strong>V2.16.2 (ST modified 2023-10-24)</strong>.</li>
<li>Upgrade <strong>Mbed-crypto</strong> Library to use <strong>V1.1.4 (ST modified 2024-01-22)</strong>.</li>
<li><p>Upgrade <strong>Mcuboot</strong> Library to use <strong>V1.0.5.4 (ST modified 2024-01-05)</strong>.</p></li>
<li><strong>CMSIS Device</strong> updates
<ul>
<li>Fix the location of .size directive in STM32CubeIDE’s startup code to allow proper size information of vector table.</li>
<li>Add the READONLY tag to sections containing lookup tables to avoid GCC12 linker warnings if a segment is marked RWX.</li>
</ul></li>
<li><strong>HAL/LL Drivers</strong> updates
<ul>
<li>HAL code quality enhancement for MISRA-C2012 Rule-8.13 by adding const qualifiers.</li>
<li><strong>HAL Generic</strong>
<ul>
<li>Allow redefinition of macro UNUSED(x).</li>
<li>Update of HAL_GetTickFreq() API brief.</li>
</ul></li>
<li><strong>HAL/LL RCC</strong>
<ul>
<li>Fix HAL_RCC_GetOscConfig() API to return oscillator state based on xxxRDY bit status.</li>
<li>Add uint32_t cast to shift left operands constants defined with ‘U’ suffix in case MISRAC2012-Rule-12.2 violated.</li>
<li>Invoke UNUSED() macro to avoid compilation warnings due to unused parameter(s).</li>
<li>Correct LSE config macro regarding LSESYS handling.</li>
</ul></li>
<li><strong>HAL PWR</strong>
<ul>
<li>Update HAL_PWR_EnterSTANDBYMode() and HAL_PWREx_EnterSHUTDOWNMode() APIs to remove call to the __force_stores() intrinsic API:
<ul>
<li>No longer need to call __force_stores() with MDK-ARM V5.6.0 version and later.</li>
</ul></li>
<li>Invoke UNUSED() macro in HAL_PWR_ConfigAttributes() and HAL_PWR_GetConfigAttributes() APIs to avoid compilation warnings due to unused parameter.</li>
</ul></li>
<li><strong>HAL GPIO</strong>
<ul>
<li>Update HAL_GPIO_LockPin() API description to return HAL status instead of None.</li>
<li>Optimize the implementation of HAL_GPIO_ConfigPinAttributes() API.</li>
<li>Replace GPIO_Pin_x with GPIO_PIN_x to be compliant with macros definition.</li>
</ul></li>
<li><strong>HAL SAI</strong>
<ul>
<li>Improve audio quality (avoid potential glitch).</li>
</ul></li>
<li><strong>HAL/LL CORTEX</strong>
<ul>
<li>Align MPU Enable/Disable APIs with ARM’s last recommendations in the usage of Data Memory and Data/Instruction Synchronization barriers.</li>
<li>Align LL_MPU_ACCESS_OUTER_SHAREABLE defined value with ARMv8-M Architecture documentation.</li>
<li>Update HAL_MPU_ConfigRegion() API to allow the configuration of the MPU registers independently of the value of Enable/Disable field.</li>
<li>Add new APIs HAL_MPU_EnableRegion() / HAL_MPU_DisableRegion().</li>
</ul></li>
<li><strong>HAL ICACHE</strong>
<ul>
<li>Update HAL_ICACHE_DeInit to set registers to reset value.</li>
<li>Update HAL_ICACHE_Invalidate() to prevent launching an invalidation if one has already been launched.</li>
<li>Update “How to use” for HAL_ICACHE_Enable() API.</li>
</ul></li>
<li><strong>HAL HASH</strong>
<ul>
<li>Read the last remaining bytes (3 or 2 or 1) of the data in a temporary variable (taking into account swap mode) and enter this variable into the HASH->DIN when the data is not a multiple of 4 bytes.</li>
<li>HAL code quality enhancement for MISRA-C2012 Rule-12.1, Rule-10.7, Rule-10.6 and Rule-10.4.</li>
</ul></li>
<li><strong>HAL DAC</strong>
<ul>
<li>Updated DAC buffer calibration according to RM.</li>
</ul></li>
<li><strong>LL RTC</strong>
<ul>
<li>Correct misleading note about shadow registers.</li>
</ul></li>
<li><strong>HAL/LL TIM</strong>
<ul>
<li>Remove multiple volatile reads or writes in interrupt handler for better performance.</li>
<li>Improve HAL TIM driver’s operational behavior.</li>
<li>Assert check for the right channels.</li>
<li>Remove unnecessary change of MOE bitfield in LL_TIM_BDTR_Init() API.</li>
<li>Remove useless check on IS_TIM_ADVANCED_INSTANCE() within LL_TIM_BDTR_Init() API to fix Break Filter configuration problem with specific TIM instances.</li>
<li>Improve period configuration parameter check.</li>
<li>Fix typo in PWM symmetric mode related constants names.</li>
</ul></li>
<li><strong>HAL LPTIM</strong>
<ul>
<li>Remove redundant IS_LPTIM_AUTORELOAD macro.</li>
</ul></li>
<li><strong>HAL UART</strong>
<ul>
<li>Update initialisation sequence for TXINV, RXINV and TXRXSWAP settings.</li>
<li>Fix incorrect gState check in HAL_UART_RegisterRxEventCallback()/HAL_UART_UnRegisterRxEventCallback() APIs to allow user Rx Event Callback registration when a transmit is ongoing.</li>
<li>Avoid RTOF flag to be cleared by a transmit process in polling mode.</li>
<li>Add LL LPUART API allowing TX FIFO flush request.</li>
</ul></li>
<li><strong>HAL USART</strong>
<ul>
<li>Improve the visibility of the SPI function support in HAL USART description.</li>
</ul></li>
<li><strong>HAL CRYP</strong>
<ul>
<li>Update AES GCM in interrupt mode to avoid Computation Completed IRQ fires before the DINR pointer increment.</li>
<li>Update Crypt/Decrypt IT processes to avoid Computation Completed IRQ fires before the DINR pointer increment.</li>
<li>HAL code quality enhancement for MISRA-C2012 Rule-10.4.</li>
</ul></li>
<li><strong>HAL FDCAN</strong>
<ul>
<li>Fix GetIndex issue in HAL_FDCAN_GetRxMessage() API.</li>
<li>Remove shift from ‘FDCAN_DLC_BYTES_X’ definitions so that values taken by ‘DataLength’ structure member comply to the definition of a DLC.</li>
</ul></li>
<li><strong>HAL SPI</strong>
<ul>
<li>Fix driver to don’t update state in case of error. (HAL_SPI_STATE_READY will be set only in case of HAL_TIMEOUT).</li>
<li>Update HAL_SPI_TransmitReceive() API to set the bit CRCNEXT in case of one byte transaction.</li>
<li>Update IT API to enable interrupts after process unlock.</li>
</ul></li>
<li><strong>HAL TSC</strong>
<ul>
<li>Update IS_TSC_PG_PRESC_VS_CTPL() assert macro: Add parameter assertion depends on Duration time restriction link to product.</li>
</ul></li>
<li><strong>HAL/LL I2C</strong>
<ul>
<li>Update HAL_I2C_IsDeviceReady() API to support 10_bit addressing mode: Update done on the macro I2C_GENERATE_START.</li>
<li>Update HAL I2C driver to prefetch data before starting the transmission: implementation of errata sheet workaround I2C2-190208 : Transmission stalled after first byte.</li>
<li>Update HAL I2C driver to disable all interrupts after end of transaction.</li>
<li>Update HAL_I2C_Init() API to clear ADD10 bit in 7 bit addressing mode.</li>
<li>Update HAL_I2C_Mem_Write_IT() API to initialize XferSize at 0.</li>
<li>Update I2C_Slave_ISR_IT(), I2C_Slave_ISR_DMA() and I2C_ITSlaveCplt() APIs to prevent the call of HAL_I2C_ListenCpltCallback twice.</li>
<li>Update I2C_WaitOnRXNEFlagUntilTimeout() API to check I2C_FLAG_AF independently from I2C_FLAG_RXNE.</li>
<li>Remove the unusable code in HAL_I2C_IsDeviceReady() API.</li>
<li>Update LL_I2C_HandleTranfer() API to prevent undefined behavior of volatile usage before updating the CR2 register.</li>
<li>Update I2C_WaitOnFlagUntilTimeout() API to handle error case.</li>
<li>Add a temporary variable to get the value to check before comparison.</li>
<li>Add abort memory management to HAL_I2C_Master_Abort_IT() API.</li>
<li>Move the prefetch process in HAL_I2C_Slave_Transmit() API.</li>
</ul></li>
<li><strong>HAL SMBUS</strong>
<ul>
<li>Update HAL SMBUS driver to prefetch data before starting the transmission: implementation of errata sheet workaround I2C2-190208 : Transmission stalled after first byte.</li>
</ul></li>
<li><strong>HAL SMARTCARD</strong>
<ul>
<li>Update SMARTCARD_SetConfig() API to fix CONSTANT_EXPRESSION_RESULT Coverity warning.</li>
</ul></li>
<li><strong>HAL SDMMC</strong>
<ul>
<li>Update HAL_SD_ConfigSpeedBusOperation() API to add support of switch to Default Speed.</li>
<li>Fix CodeSonar Division by Zero and Empty while Statement warnings.</li>
<li>Remove __HAL_LOCK() API from HAL_xxx_RegisterCallback()/HAL_xxx_UnRegisterCallback() APIs.</li>
<li>Improve the abort mechanism for specific cases.</li>
<li>Fix Misra-C 2012 warnings MISRAC2012-Rule-15.6_e and MISRAC2012-Rule-15.7.</li>
<li>Fix typos in constants used for variable assignments : MMC instead of SD.</li>
<li>Substitute magic numbers by macros.</li>
<li>Fix Misra-C 2012 warning MISRAC2012-Rule-12.1.</li>
<li>Add MMC Card Reply Protected Memory Block (RPMB) APIs.</li>
<li>Add HAL_MMC_BOOT_PARTITION1 and HAL_MMC_BOOT_PARTITION2 macros.</li>
<li>Add configurable HW/SW Timeout.</li>
</ul></li>
<li><strong>LL UTILS</strong>
<ul>
<li>Update LL_InitTick() API documentation: update “Ticks” parameter description.</li>
</ul></li>
</ul></li>
<li><strong>Middlewares</strong> updates
<ul>
<li>Upgrade <strong>USB Power Delivery Core</strong> Library to use <strong>V4.3.1</strong>.</li>
<li>Upgrade <strong>MbedTLS</strong> Library to use <strong>V2.16.2_20231024</strong>.</li>
<li>Upgrade <strong>Mbed-crypto</strong> Library to use <strong>V1.1.4_20240122</strong>.</li>
<li>Upgrade <strong>Mcuboot</strong> Library to use <strong>V1.0.5.4_20240105</strong>.</li>
</ul></li>
<li><strong>Utilities</strong> updates
<ul>
<li>Upgrade <strong>Utilities/lcd</strong> to use <strong>V2.0.3</strong>.</li>
<li>Upgrade <strong>Utilities/Fonts</strong> to use <strong>V2.0.4</strong>.</li>
</ul></li>
<li><strong>Projects</strong> updates
<ul>
<li>Disable the default generation for <em>.hex and </em>.bin files in STM32CUbeIDE projects.</li>
<li>Fix memory type in OCTOSPI examples.</li>
<li>Update STM32CubeIDE projects to fix the location of .size directive in startup code to allow proper size information of vector table.</li>
<li><strong>NUCLEO-L552ZE-Q and STM32L562E-DK</strong>
<ul>
<li>Update CRC_Bytes_Stream_7bit_CRC examples to fix STM32CubeIDE warnings when supporting GCC11: Accessing 4 bytes in a region of size x [-Wstringop-overflow=].</li>
</ul></li>
<li><strong>STM32L552E-EV</strong>
<ul>
<li>Update demonstration by increasing the size of the matrix _str in ucpd/demo_application.c to avoid GCC11 warnings.</li>
</ul></li>
<li><strong>STM32L562E-DK</strong>
<ul>
<li>Change the second argument of test_snprintf from static table to pointer in mbedtls.c of mbedTLS application.</li>
</ul></li>
</ul></li>
</ul>
<p><br />
</p>
<ul>
<li>The STM32CubeL5 Firmware package comes with a rich set of examples running on STMicroelectronics boards, organized by board and provided with preconfigured projects for the main supported toolchains.</li>
<li>The exhaustive list of projects is provided in this table (<a href="Projects/STM32CubeProjectsList.html">STM32CubeProjectsList.html</a>).</li>
</ul>
<p><br />
</p>
<h2 id="components-vs-v1.5.0">Components vs V1.5.0</h2>
<p><small>The components flagged by “<span class="icon-st-update"></span>” have changed since the previous release. “<span class="icon-st-add"></span>” are new.</small></p>
<p><br />
</p>
<h2 id="contents-2">Contents</h2>
<p><strong>Projects</strong></p>
<table>
<caption>Projects</caption>
<thead>
<tr class="header">
<th>Name</th>
<th>Version</th>
<th style="text-align: left;">Release notes</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>Projects</td>
<td>V1.5.1 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Projects/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Drivers</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: center;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">CMSIS</td>
<td style="text-align: left;">V5.6.0</td>
<td style="text-align: center;"><a href="Drivers/CMSIS/docs/index.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32L5xx CMSIS</td>
<td style="text-align: left;">V1.0.6 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/cmsis-device-l5/blob/master/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">STM32L5xx HAL</td>
<td style="text-align: left;">V1.0.6 <span class="icon-st-update"></span></td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l5xx-hal-driver/blob/master/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP STM32L552E-EV</td>
<td style="text-align: left;">V1.0.4</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l552e-ev-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP STM32L562E-DK</td>
<td style="text-align: left;">V1.1.2</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l562e-dk-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP STM32L5xx_Nucleo</td>
<td style="text-align: left;">V1.0.4</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32l5xx-nucleo-bsp/blob/main/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP Common</td>
<td style="text-align: left;">V7.0.0</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-bsp-common/blob/v7.3.0/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP cs42l51</td>
<td style="text-align: left;">V2.0.2</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-cs42l51/blob/v2.0.7/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP ft6x06</td>
<td style="text-align: left;">V2.0.0</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-ft6x06/blob/v2.0.3/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP hx8347i</td>
<td style="text-align: left;">V2.0.2</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-hx8347i/blob/v2.0.3/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP iss66wvh8m8</td>
<td style="text-align: left;">V2.0.0</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-iss66wvh8m8/blob/v2.0.1/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP lsm6dso</td>
<td style="text-align: left;">V1.3.0</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-lsm6dso/blob/v1.5.4/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP mfxstm32l152</td>
<td style="text-align: left;">V3.0.3</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-mfxstm32l152/blob/v4.0.1/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP mx25lm51245g</td>
<td style="text-align: left;">V2.0.5</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-mx25lm51245g/blob/v2.0.9/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">BSP stmpe811</td>
<td style="text-align: left;">V3.0.1</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-stmpe811/blob/v3.0.2/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">BSP st7789h2</td>
<td style="text-align: left;">V2.0.2</td>
<td style="text-align: center;"><a href="https://htmlpreview.github.io/?https://github.com/STMicroelectronics/stm32-st7789h2/blob/v2.0.4/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Middlewares</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: left;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">STM32 USB Device Library</td>
<td style="text-align: left;">V2.11.1</td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USB_Device_Library/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32 USBPD Core Library</td>
<td style="text-align: left;">V4.3.1 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USBPD_Library/Core/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">STM32 USBPD Device Library</td>
<td style="text-align: left;">L5 V5.0.0</td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_USBPD_Library/Devices/STM32L5XX/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">STM32 TouchSensing Library</td>
<td style="text-align: left;">V2.2.0</td>
<td style="text-align: left;"><a href="Middlewares/ST/STM32_TouchSensing_Library/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">FatFS R0.12c ST modified 20191011</td>
<td style="text-align: left;">R0.12c</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FatFs/src/00history.txt">FatFS release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20191011</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FatFs/src/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">FreeRTOS</td>
<td style="text-align: left;">V10.3.1</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FreeRTOS/Source/readme.txt">FreeRTOS release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20200831</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/FreeRTOS/Source/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mbedTLS ST modified 20231024</td>
<td style="text-align: left;">V2.16.2</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbedtls/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20231024 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbedtls/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mbed-crypto ST modified 20240122</td>
<td style="text-align: left;">V1.1.4 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbed-crypto/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20240122 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mbed-crypto/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">mcuboot ST modified 20240105</td>
<td style="text-align: left;">V1.0.5.4-cypress <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mcuboot/README.md">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20240105 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/mcuboot/st_readme.txt">ST release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">trustedfirmware ST modified 20200622</td>
<td style="text-align: left;">TF-Mv1.0-RC2</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/trustedfirmware/readme.rst">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;"></td>
<td style="text-align: left;">ST modified 20200622</td>
<td style="text-align: left;"><a href="Middlewares/Third_Party/trustedfirmware/st_readme.txt">ST release notes</a></td>
</tr>
</tbody>
</table>
<table>
<caption>Utilities<br />
</caption>
<thead>
<tr class="header">
<th style="text-align: left;">Name</th>
<th style="text-align: left;">Version</th>
<th style="text-align: left;">Release note</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: left;">lcd</td>
<td style="text-align: left;">V2.0.3 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Utilities/lcd/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">Fonts</td>
<td style="text-align: left;">V2.0.4 <span class="icon-st-update"></span></td>
<td style="text-align: left;"><a href="Utilities/Fonts/Release_Notes.html">release notes</a></td>
</tr>
<tr class="odd">
<td style="text-align: left;">GUI_INTERFACE</td>
<td style="text-align: left;">V2.2.2</td>
<td style="text-align: left;"><a href="Utilities/GUI_INTERFACE/Release_Notes.html">release notes</a></td>
</tr>
<tr class="even">
<td style="text-align: left;">TRACER_EMB</td>
<td style="text-align: left;">V1.7.1</td>
<td style="text-align: left;"><a href="Utilities/TRACER_EMB/Release_Notes.html">release notes</a></td>
</tr>
</tbody>
</table>
<h2 id="notes-1">Notes</h2>
<ul>
<li>The instruction cache (ICACHE) must be enabled by software to get a 0 wait-state execution from Flash memory and external memories, and reach the maximum performance.</li>
<li>Caution on User Option bytes requirements for TZEN=1 prior to execution (see TrustZone project examples readme.txt file)</li>
</ul>
<h2 id="known-limitations-1">Known Limitations</h2>
<ul>
<li>Warnings are logged in EWARM TrustZone projects with ‘Verify Download’ option in IAR Embedded Workbench for ARM toolchain V8.42.2 and V8.50.5 but not preventing to run and debug.</li>
<li>Warning is logged in MDK-ARM SBSFU_Boot and TFM_SBSFU_Boot projects during the Linking stage but not preventing to run and debug.</li>
</ul>
<h2 id="development-toolchains-and-compilers-1">Development Toolchains and Compilers</h2>
<ul>
<li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.50.9 minimum + ST-Link</li>
<li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.32 minimum (ARM Compiler 5 (“AC5-like Warnings” selected))
<ul>
<li>Note : MDK-ARM 5.38 comes by default with AC6 only. To use it with AC5, please follow the steps available in this AN:
<ul>
<li>https://developer.arm.com/documentation/ka005073/latest/</li>
</ul></li>
</ul></li>
<li>STM32CubeIDE toolchain V1.14.0</li>
</ul>
<h2 id="supported-devices-and-hw-boards-1">Supported Devices and HW boards</h2>
<ul>
<li>STM32L552xx/STM32L562xx devices</li>
<li>STM32L552E-EV Evaluation board (MB1372 C-02)</li>
<li>STM32L562E-DK Discovery kit (MB1373 C-01)</li>
<li>NUCLEO-L552ZE-Q Nucleo kit (MB1361 C-02)</li>
</ul>
<h2 id="backward-compatibility-1">Backward Compatibility</h2>
<ul>
<li>This release is compatible with the previous versions</li>
</ul>
<h2 id="dependencies-1">Dependencies</h2>