STM32 MCUs Products

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Forum Posts

STM32G070 FLASH program at negative temperatures

Hi everyone!Could someone help me to understand a problem with STM32G070.We have deployed approx. 50-60 devices with stm32g070 MCU that saves some parameters in FLASH every 24 hours. I know that according to datasheet FLASH memory endurance for this ...

Zed by Associate III
  • 68 Views
  • 1 replies
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STM32U5 internal RTC time greater than 24 hours

We are using the STM32U5 MCU and its internal RTC in our project.We are facing an issue where the RTC time sometimes goes beyond 24 hours — for example, we observed a timestamp showing 37 hours. The RTC is configured in 24-hour format, and we have in...

Resolved! USB Descriptor Table and PMA Layout on STM32F103

Hi, I’m trying to better understand how the USB PMA and BTABLE work on the STM32F103. After reading the reference manual, I’m still unsure how the descriptor table size relates to the number of endpoints.I have two possible interpretations of how the...

STM32-USB-PMA-update.png
rohamid by Associate II
  • 124 Views
  • 2 replies
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Resolved! STM32 l476rg CAN not working

I am using STM32 Nucleo-l476rg. I am trying to use the CAN peripheral and have tried every resource I came across. I am unable to send or receive messages:I have no filter, everything is wired correctly, what could be the issue? I even made it so tha...

at3 by Associate III
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  • 10 replies
  • 1 kudos

STM32H533CET6 ADC Reading

I am encountering an issue with ADC readings on a custom board based on the STM32H533CET6.Hardware Setup: I have a simple analog filter connected to the ADC input. I have verified the input signal with a multimeter, and it correctly varies from 0V to...

obraz (9).png obraz (8).png obraz (7).png obraz (6).png
Karol123 by Associate
  • 156 Views
  • 3 replies
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RCC_CR.HSEBYP not reset by Software Reset

Experimenting with STM32F427 and STM32F446 I found out, that the RCC_CR.HSEBYP bit is *not* reset by Software reset. It is reset only by NRST and Power-On reset.While applications where this could lead to problems (i.e. where HSE clock source is chan...

STM32H743 as USB Host stops communicating

Hello, I have a problem that I am having a hard time figuring out.My project is using an STM32H743 as a USB host on a custom PCB. Both OTG_HS and OTG_FS ports are connected to different devices. OTG_HS is using the internal PHY and operating at full-...