STM32 MCUs Products

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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...

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at3 by Associate III
  • 373 Views
  • 12 replies
  • 5 kudos

After standby LSE not work

I'm using the STM32G030FP6 in standby mode with WKUP2 for wakeup and the system has a backup battery. I'm facing the following issues:When using the LSI clock, standby entry and WKUP2 wakeup work normally.When using the LSE clock, after entering stan...

ZZH by Associate
  • 973 Views
  • 3 replies
  • 1 kudos

Memory Synchronization Barriers

I am running code on an STM32U585QI that enters STOP2 when the code is idle.   I am disabling the data cache before going to stop2, and enabling it when coming out (to deal with an errata item).  My code basically does this:HAL_DCACHE_DeInit(); HAL_P...

BDoon.1 by Associate III
  • 188 Views
  • 4 replies
  • 1 kudos

Resolved! STM32L476 OPAMP is not working as expected

Hi,I am using an STM32L476 on Nucleo64 board, I am amplifying a 1MHz 200mVpp sine wave with a 100mV offset in order to try the OPAMP but I dont think it is working. I configured OPAMP in PGA not connected mode(Also tried PGA connected too) and gave i...

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Stm325 by Associate III
  • 132 Views
  • 1 replies
  • 0 kudos

Resolved! ADC different channel, same value

    I am just wondering how it is possible that 3 adc gave me the very same value, if I change the channel and their rank are different.   Thanks for all.   

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carlesls2 by Associate III
  • 171 Views
  • 4 replies
  • 1 kudos