STM32 MCUs Products

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STM32H7 - Sending CMD5 to eMMC card

Hi,I'm working with an STM32H7 connected though SDMM1 (1bit bus width) with an eMMC, I need to put the eMMC into sleep mode so we can reduce the power consumption when it is not being used.According to the information I've been able to find we need t...

CDiaz.2 by Associate II
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  • 1 replies
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Signal Integrity Simulation with IBIS model of STM32H7B3IIK6

Hello.I have got the IBIS model of STM32H7B3IIK6 from ST website, but there is no document to explain how to use this IBIS model. As there is so many sub-models included, I don't know what model I should selected for the FMC data pin, e.g. io8_ft_fs_...

WLiao.1 by Associate II
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  • 1 replies
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Raw RNG samples STM32F7: has anyone already tried it?

Hi,I am actually trying to collect raw samples from TRGN module of a STM32F7.To be more clear, raw sample means unprocessed data coming directly from the source. It is possible using a special IO configuration setup and external equipment in order to...

MLave.2 by Associate II
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  • 4 replies
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I2C flag RXNE automatically clear before read register

I initiate reception from the microcircuit for stm32h723. However, the code hangs while waiting for the RXNE flag. In the debug, step by step, you can see that the flag is set after START, but is immediately reset to zero in the next step, before che...

NBoga by Associate
  • 783 Views
  • 1 replies
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STM32L4: COMP1 and COMP2 as TIM1 BREAK2 input sources.

Hi,I am using STM32L476 MCU. I have COMP1 and COMP2 configured in window mode. That's working fine. I would like to have COMP1 and COMP2 as break input sources for TIM1 BRKIN2. Test #1: if I set COMP1 as break input source, that works:LL_TIM_EnableBr...

MGard.2 by Associate II
  • 747 Views
  • 1 replies
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UART Overrun error

Hello,I transfer data by uart interrupt(Uart_RX_IT_Start()).Now UART overrun error is occurred continuously.Should I have checked any point?I want to use the uart interrupt, not DMA.Thanks.

Kim.Andy by Associate III
  • 1141 Views
  • 1 replies
  • 0 kudos

Clock

How to take a reference clock out from stm32h7 microcontroller?

GHARI.1 by Associate II
  • 575 Views
  • 2 replies
  • 0 kudos