STM32 MCUs Products

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Resolved! Read 96 bit UDID through serial bootloader or SWD

Hello,I am working on the STM32F103xx. I need to read out the 96 bit UDID (unique device ID) of the devices during production. Is there any way of reading this out from the serial bootloader on UART1 or through the SWD interface? I searched the AN315...

machinist by Associate III
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  • 6 replies
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Resolved! STOP2 Mode I2C

I'm trying to use the LPBAM feature on the STM32U5 to perform I2C communication during STOP2 mode.I followed the official STM32 LPBAM example and implemented my code accordingly.Here is what I'm attempting:Use LPTIM to generate a PWM signal during ST...

dlagyals by Associate II
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  • 4 replies
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HPDMA XSPI flash all zeros are written

Hi. I'm trying to get HPDMA to write to flash memory on the stm32n6570-dk board. I did the DMA configuration exactly like the XSPI_NOR_ReadWhileWrite_DTR example for the STM32H7. The problem is that all zeros are written and I've run out of ideas wha...

Artur5 by Associate II
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  • 4 replies
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Resolved! How to control STM32H7RS GPIO port P and N?

I use NUCLEO-H7S3L8 to evaluate our new solution. I want to use GPIO port P to control a few external components.I add some test code into NUCLEO-H7S3L8\Examples\GPIO\GPIO_IOTggle project, like the below snapped code:__HAL_RCC_GPIOP_CLK_ENABLE(); GPI...

Resolved! ADC read in DMA regular mode

I've requirement of reading 100 samples of ADC data using DMA whenever it's needed in regular mode and I see the read buffer is not having right values and also HAL_ADC_ConvCpltCallback is not hitting.But same if I try just with one sample data is pr...

RCC_FLAG_IWDGRST Always 0

Hello, I am working on adding an IWDG to firmware on a STM32F070CBT6TR. The Watchdog resets perfectly fine. I cause the watchdog to reset the MCU by not resetting the timer. I then try to read the RCC_FLAG_IWDGRST and it is always 0. This is what my ...

SudoObey by Associate II
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  • 6 replies
  • 4 kudos

Resolved! STM32H723 - Qspi

Hello Support,    I am not able to find the QSPI config in the STMCube 1.18.1version. I have attached the snapshot. According to the EvalBord it supports QSPI.  CAN you guide me here for the setup.    Best Reagrds, Manikanta

mani9989 by Associate II
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Resolved! STM32 Reset pin duration

Hi,We are working with the STM32G491 board and intend to drive the NRST pin using an external device. Could you please confirm the minimum low-level pulse duration on the NRST pin for it to be recognized as a valid reset by the MCU?