STM32 MCUs Products

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STM32H7R3 PSSI RDY/DE bug

Hello,I dug deeper into PSSI behavior, and and I observed unwanted behavior. From my point of view it is a bug.PSSI is configured as:OUTEN = 1 (transmit mode)CKPOL = 0 (outputs driven on rising edge, inputs sampled on falling edge)RDYPOL = 0 (0 at in...

pssi3a_valid.png pssi1a.png pssi2.png

WWDG on HSE not stopping when enter STOP mode.

Dear,Recently, when working with STM32U575 and using WWDG, I've encountered an unclear behavior when I set the controller to STOP mode by using HSE or HSI clock source.By using HSI and LSE clock source (See below code), when enter STOP mode, WWDG is ...

phuocly_0-1737453257195.png
phuocly by Associate II
  • 338 Views
  • 2 replies
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Resolved! Timer options for DMA transfer on STM32F03F4P6

Hi there I'm working on a project where I need to create 4 different pulse trains on 4 different GPIO pinsI've created and formatted a uint32_t array to be able to directly write to the GPIO BSRR registerI want to use DMA memory to peripheral in circ...

SteenA by Associate III
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  • 6 replies
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Resolved! Secure Boot and Read Out Protection

Hi all,I'm designing a product that will have a USB boot-loader.I would like to choose a micro-controller that supports secure-boot as well as an ability to completely lock down the micro-controller such that no flash can be read from it. I understan...

merakian by Associate II
  • 360 Views
  • 6 replies
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Resolved! STM32 INTERRUPTION

Hi am relatively new to stm32 development.I would like to understand the difference between HAL_GPIO_EXTI_CLEAR_IT and HAL_GPIO_EXTI_CLEAR_FLAG Thank you!

H755 / ADC3 / DMA

Hello,I'm desperate. Just want to concvert some data with the ADC3 with DMA on a H755.No chance! DMA doesn't work, and even a cyclic sample only produces the right values for the first turn. After that, only max. resolution is returned. 12 bit => 0x8...

UBöke.1 by Associate II
  • 1915 Views
  • 9 replies
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Driving ADXL345 via SPI

Board: STM32F407G-DISC1IDE : StmCubeIDEHello,      I am trying to drive ADXL345 accelerometer sensor via SPI. I succeed in receiving the device address (0xE5).However, afterwards, when I tried to read two registers' value consecutively. I always read...

SAI configuration for 2 PDM Microphone in Stereo Mode

Dear ST Community Member, I hope you are all doing well. We are currently acquiring audio using the STM32G4 and 2 PDM microphones in stereo mode. I would like to know how to split the left and right channel data. Could you please provide me with the ...

IOT_Dev by Associate II
  • 246 Views
  • 2 replies
  • 0 kudos