STM32 MCUs Products

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ADC Reading on Vbat Incorrect STM32G051C8T6

The issue I am having is as follows on the STM32G051C8T6. We are using the internal RTC with Vbat pin. On this MCU Vbat can be internally configured to be read by the ADC by diving by 3 Bridge. We have ADC Setup, I am making sure we perform the ADC C...

KDham.1 by Associate II
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  • 9 replies
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Resolved! What is impure_data?

Heyho, just checked the build analyser in STM32CubeIDE for my L031 project and found "impure_data" in the RAM list.Can anyone please explain what that is? Google didn't really help... Just curious, RAM size is not a problem for this project (32kB fla...

LCE by Principal II
  • 640 Views
  • 1 replies
  • 1 kudos

SDMMC and USB Mass Storage Class (MSC).

I am using the STM32H745I-DISCO board, where Core M4 handles SDMMC and FATFS, and Core M7 manages USB Mass Storage Class (MSC). Is there a procedure or any available documentation on linking both cores for seamless data sharing?

indhuja by Associate
  • 287 Views
  • 3 replies
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STM32H745IIK6 GPIO Pxx_C pin configrations

On our custom board using STMH745IIK6 we cant use both PC3_C and PC3 pins together. PC3 is configured as ADC reading 1.7V and PC3_C is configured as SPI MISO and when configured this way we cant read SPI device (I3G4250D) also ADC reads corrupt as we...

PCB Critiques

Hello, I am creating 2 pcbs, one for controlling 6 stepper motor drive boards, and one for controlling 8 servos. Both have an STM32 and CAN communication. It would be great if you could critique my designs and tell me where I could improve so they ha...

Screenshot 2025-03-16 144212.png Screenshot 2025-03-16 144227.png Screenshot 2025-03-16 144356.png
at3 by Associate III
  • 946 Views
  • 12 replies
  • 5 kudos