STM32 MCUs Products

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Resolved! STM32L431KC hangs on reset

I am working on a custom board and I have noticed that whenever the device resets, it becomes unresponsive.The reset causes that hang the microcontroller:Calling NVIC_SystemReset from firmwareHaving firmware stuck and receiving a signal from IWDGManu...

MO94 by Associate II
  • 122 Views
  • 4 replies
  • 1 kudos

Resolved! Temporarily Isolate SPI Master

Hi All,I have a system with 2 SPI masters and a single slave very similar to this post from 2014:https://community.st.com/t5/stm32-mcus-products/spi-multi-master-mode-with-stm32f050/td-p/502107What I would like to do is to temporarily isolate the STM...

hans86_0-1745593343392.png
hans86 by Associate III
  • 1387 Views
  • 3 replies
  • 2 kudos

Resolved! OSPI as QSPI on L5 with W25Q256

I have a custom designed PCB board where I have used STM32L56 and W25Q256 along with other components. First, I was using SPI for interfacing but it was taking so much time when writing/reading MBs file. So I have to opt for QSPI now. L5 doesn't have...

NajeebUllahKhan_0-1745293350492.png NajeebUllahKhan_1-1745293359047.png

Resolved! STM32H723 GPIO Lock set after reset

I have a Nucleo-H723ZG board.  The GPIO lock bits are set at reset so I cannot set up the ports.  See Attached screenshot.  I can run code just fine and the original demo code did toggle the LEDs. Am I missing something here? 

Niramas by Associate II
  • 379 Views
  • 12 replies
  • 3 kudos

Resolved! STM32H503 UART BOOTLOADER TROUBLE

Hello everyone, I have a problem with the bootloader of the stm32h503 microcontroller. I can't get a response from the stm32 via any of the UART interfaces. I tried different baud rates (9600,57600,115200) but I don't get an ACK from the STM32H503 in...

bootloader_h503.png
Mike1992 by Associate III
  • 215 Views
  • 6 replies
  • 4 kudos

Resolved! hard fault during flash programing

hi. i am trying to save a data into stm32h7b0vbt6 flash memory. so i have used HAL_FLASHEx_Erase to erase one of the sectors and HAL_FLASH_Program to program it. it works and flash will be programed.but when debuging, code gets stuck to while of the ...

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