STM32 MCUs Products

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STM32L Series LPUART Voltage Level

Hi, Does anyone know the default voltage level of an LPUART output as I am trying to interface with a device with a UART logic level of 1.8V so might need a level converter? Couldn't see anything about LPUART voltage on the datasheet? 

Link_P by Associate
  • 208 Views
  • 2 replies
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Resolved! Timer setup issue with alternate functions

Hi,I have setup three channels in Timer_2 on an 32F429 MCU and have come across a seemingly inconsistent behaviour with regards to the alternate functions mentioned on the datasheet.More specifically, I have setup pins PA0, PA1, PA2 for Output_Compar...

Screenshot from 2026-02-25 22-26-36.png Screenshot from 2026-02-25 22-35-33.png

Resolved! STM32H7 with active D-Cache and sdMMC with DMA

I try to start working sdMMC with DMA. When D-Cache is not active work well. But when turn it on stop work. Probably need to create MPU region , but where is located used RAM from sdMMC. And if need, how to change .ld file? 

Brussl by Associate III
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  • 7 replies
  • 1 kudos

Resolved! STM32F723 HS and FS ID \ VBUS pin usages.

  Currently designing a PCB that has a USB-C 16 pin connector. For maximum flexibility the PCB can take either a H723 or a F723 MCU. (The H723 has USB FS pins only, whereas the F723 also has USB HS pins available). This design allows it to operate in...

Bags by Associate III
  • 373 Views
  • 5 replies
  • 2 kudos