About Sarra.S

Sarra.S · 2024-12-09

Introduction When working with the STM32H5 series microcontrollers, understanding the behavior of reading unwritten One-Time Programmable (OTP) or flash high-cycle area data is crucial. This article addresses the feasibility and implications of such...

Sarra.S · 2024-11-21

Introduction The real-time clock (RTC) can be used as a source to periodically wake-up the microcontroller, perform necessary tasks, and then return to low-power mode. Furthermore, the RTC can be used to calculate the elapsed time while the microco...

Sarra.S · 2024-11-21

Introduction When working with the STM32U5 microcontroller, you may encounter issues where the low-power timer (LPTIM) fails to wake the device from stop 2 mode. This article provides insights on what might cause the issues. 1. Using LPTIM2 instanc...

Sarra.S · 2024-10-16

Introduction This article provides a step-by-step guide on configuring the GPDMA linked list in STM32CubeMX. It does not cover the legacy standard DMA approach, which is described in the article "How to configure the GPDMA." 1. Software prerequisite...

Sarra.S · 2024-09-18

Introduction The IWDG (Independent Watchdog) offers the possibility to exit from stop modes in STM32U5. The wakeup from stop with interrupt is supported in Stop 0, Stop 1, Stop 2, and Stop 3 modes for STM32U535/545/59x/5Ax/5Fx/5Gx as described in t...

Sarra.S · 2024-12-25

Hello @xuyingjing Yes, you can use ST-Link with STM32CubeIDE to program the Flash of the external XSPI interface of the STM32H7RX series MCU. The STM32CubeProgrammer, you can check: How to create an external flash loader for an STM3... - STMicroelect...

Sarra.S · 2024-12-25

Hello @MGuth.1, I highly suggest going through the couple of videos provided by ST in this MOOC: STM32Cube and Azure RTOS hands-on workshop - STMicroelectronics 1/2. In your case, it seems that the default configuration does not enable time slicing...

Sarra.S · 2024-12-25

Hello @Dan_Ko, welcome to ST community, The issue could be that it's needed to remap the alternate function by software to different port pins, because by default PA6 for example is connected to TIM8_BKIN/ADC12_IN6

Sarra.S · 2024-12-23

Hello @vividhadhengre, According to the provided screenshot, you have a Hardfault probably due to mismatch between your .dts files and the actual layout of the STM32G0. Could you share your modified overlay files?

Sarra.S · 2024-12-23

Hello @clemens, Could you re-configure DMA in circular mode and check for DMA's current state and errors in the DMA status register

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User Activity

Handling ECC errors in STM32H5 series: Reading unwritten OTP and flash data area

How to use the RTC in STM32 microcontrollers for periodic wake-up and elapsed time calculation

Troubleshooting waking up from stop mode issues with LPTIM in STM32U5

How to configure the linked list mode in STM32CubeMX

IWDG early wakeup interrupt in Stop modes for STM32U5

Re: STM32H7RX on STM32CubeIDE

Re: Understanding ThreadX scheduling

Re: PWM no signal on TIM2 Channel1 and TIM3 Channel 1

Re: Flashing issue using Zephyr & STLink

Re: STM32U5 Triggering DMA request from timer to write to GPIOD ODR register