STM32 MCUs Products

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STM32G474RET6 VREF connection

Hello, I am planning to use the STM32G474RET6 and would like to confirm whether I can use the internal VREFBUF. This product's package is LQFP-64 and while reading the datasheet I noticed the note : ''The VREF+ pin is double-bonded with VDDA on some ...

Resolved! STM32H573 - missing BKPSRAM on memory map

Hello,The datasheet and reference manual are missing information about the 4 KB Backup SRAM in the memory map.Where can I find details about it?We need to use this memory in both Secure and Non-Secure projects.Thank you. 

RZub by Associate II
  • 69 Views
  • 3 replies
  • 1 kudos

STM32F303CBT6 DAC not working with DMA

Dear all,I'm trying to generate a waveform using DAC OUT1.I configured pin PA4 as analog (works)I configured DAC1 without DMA and it worksI configured TIM6 and it works Then I configured DAC with DMA, configured DMA, but output never changes.Where ca...

FDCAN not receive messages from a few particular sensors

Dear allI am using STM32H563 and interface with some CAN bus sensors to receive and sometimes send data to them. The CAN bus sensors are developed by a partner company. I developed my software refer to FDCAN_Com_IT example provided in IDE firmware pa...

Ping1 by Associate II
  • 101 Views
  • 10 replies
  • 1 kudos

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
  • 997 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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