STM32 MCUs Products

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STM32L4 STOP2 System abnormal restart

Environment: STM32L4 + 32.768K LSEFunction: Wake up and work once every hour, then enter stop2 mode. During the one-hour sleep, wake up every ten minutes to feed the external watchdog.Problem: The device resets directly when waking up every ten minut...

daniaoday by Associate III
  • 1016 Views
  • 54 replies
  • 8 kudos

Stm32h743 gets hot on custom PCB

I designed a PCB using the STM32H743 in the TFBGA240 +25 package.When I power the board, the STM32 gets hot. I measured the voltage across the VCAP capacitors, and it is 2.2 V, while it should be a maximum of 1.35 V.What could be causing the VCAP vol...

Issue in Ethernet and Uart in STM32n6570-DK

Expected Log using UART :[BOOT] UART initialized successfully[BOOT] Starting ThreadX kernel[NET] NetX Duo initialization started[NET] IP stack and protocols enabled[TX] ThreadX kernel running[NET] NetX application thread running[NET] Network stack re...

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Resolved! reset_handler and no longer debug

Hello, I was writing some code and one day a handler_reset() appears in the debug panel It is said that appears because it give the opportunity to the user to debug from the very begining. But why? if there is already the ability to set the breakpoin...

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Resolved! H7x3: SDMMC2 - no DMA?

Heyho,I just changed a big PCB (1st revision working) with a H733 and added a micro SD cardholder and connected it to the SDMMC2 peripheral.Only to find out later that this #2 does NOT work with the extra IDMA controller.SDMMC1 is out of the question...

LCE by Principal II
  • 88 Views
  • 3 replies
  • 2 kudos

Issue when generating PWM on STM32F769

Hello Team,  I am using stm32f769 controller. I am using timer 1 channel 4 for pwm output, and my APB1 clock is 180MHZ here I am taking prescaler : 17999 and ARR=1999 and ccr=1000 for this values I can see output of pwm by generating 5hz pulses. But ...

Resolved! USBPD EPR Source

Hi, I'm trying to implement USBPD EPR Source with DisplayPort Alt Mode on a STM32G071. I use the latest https://github.com/STMicroelectronics/stm32-mw-usbpd-core, which seems to support EPR, but I couldn't find any complete examples with a working EP...

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xGloooM by Associate
  • 147 Views
  • 3 replies
  • 0 kudos