STM32 MCUs Products

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Resolved! wake up from standby mode U545REQ

Hi, I set the button on the board to WAKE_UP2 to wake up from standby mode, but it doesn't work. Also, waking up through the RTC interrupt doesn't work either. The LSE source is an external crystal. This is my code: int main(void) { /* USER CODE BEG...

dlagyals by Associate II
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  • 1 replies
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How to implement USB DPM, prevent hard reset

I tried following STM32 AN5418 but the EvaluateSinkCapabilities method is not getting called. I added debug prints everywhere in the code and here is what I am receiving:1. VBusInit (this always happens)2. DPM notification 104 (Stack init)3. Cable de...

Nv7 by Associate III
  • 533 Views
  • 3 replies
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Is there a guide on how to use I2C with DMA?

Bonjour,I've been able to use I2C to communicate with I/O extender and display drivers with HAL. I'm now trying to use the I2C with HAL using DMA.The problem is that UM1785 Description of STM32F0 HAL and low-layer drivers is a bit vague on explanatio...

Matth1 by Associate III
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  • 6 replies
  • 7 kudos

STM32G4 not waking from STOP1

I am working on a project using an STM32G4. I have a new board spin that I am bringing up and one of the four boards that I have brought up is exhibiting strange behavior exiting STOP1 mode.I have code that can put the micro into one of 2 low power m...

matkSENS by Associate II
  • 430 Views
  • 2 replies
  • 0 kudos

QSPI Data Transfer between MCU and FPGA

  I have designed a PCB that connects an Artix-7 XC7A35T-1FTG256C FPGA with an STM32F469VET6 (LQFP 100) MCU. My goal is to transfer data between these two devices, with the MCU as the QUADSPI master and the FPGA as the slave. For communication, all Q...

Resolved! STM32F405RGT6 and CAN not working

I try to get the CAN working. But currently I'm not sure what I'm missing.I use the STM32CubeIDE v1.18.0. The boards I use is own hardware with SN65HVD232.The hardware seems to work well. on the picture you see the screenshot from my oscilloscope, CA...

Resolved! STM32F411 Bootloader hangs

Hi there!I've created a custom STM32F411CEU6 Board with external HSE und LSE. While the HSE works when running my user program, the Bootloader hangs within boot phase (i think).When starting bootloader, BOOT0=1 und BOOT1=0. I powered direcly on VDD, ...

Gifford_0-1742722709972.png Gifford_1-1742722726214.png Gifford_2-1742722747432.png Gifford_3-1742722763253.png
Gifford by Associate II
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  • 13 replies
  • 0 kudos