STM32 MCUs Products

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Forum Posts

STM32U5G9J RTC 24 hours format doesn't work.

I work on the STM32U5G9J-DK2 and what I noticed, the RTC doesn't accepted properly hour value which is greater than 12. Than calendar doesn't work, don't actuallize and the hours going UP for example from 23 to 24 and from 24 to 25 and so on... It's ...

wegi01 by Associate III
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  • 2 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! STM32H5 ADC Measuring VREF+

Good morning,I would like to measure the supply voltage on an STM32H573RI. To do this, I measure VREFINT and then want to calculate the supply voltage.My approach (simplified):sConfig.Channel = ADC_CHANNEL_VREFINT; sConfig.Rank = ADC_REG...

afr_e2 by Associate II
  • 36 Views
  • 2 replies
  • 0 kudos

STM32H7S7L8 usb HS and FS IRQ

Hello, I'm working with the STM32H7S7L8-DK and i want to use both USB HS and FS in device mode  but it seems in cube mx that i'm unable to enable both IRQ If i enable the HS one the FS one isn't generated and same fort the other way Is it a bug  and ...

Hamady by Associate III
  • 71 Views
  • 3 replies
  • 1 kudos

STM32H755 user button interrupt in both MCUs

Hello everyone, I would like to ask if it is possible (and if so, how) to make both m4 and m7 get an interrupt made by the user button in in the nucleo board, since the only Pin Context Assignment options on CubeMX is either m4 or m7. Do I have to do...

chrkaras by Associate II
  • 61 Views
  • 2 replies
  • 1 kudos