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Forum Posts

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
  • 646 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
  • 757 Views
  • 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
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  • 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
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  • 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
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  • 2 replies
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CTS signal on USB CDC

Posted on May 15, 2018 at 09:13Hi,I need to send the CTS status from my target hardware to the Virtual com port driver in windows, USBser.sys.I have managed to do all the other handshake signals (DTR, RTS, DCD and DSR) working except CTS. Apparently...