STM32 MCUs Products

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Resolved! STM32U031 freezing IWDG counter in STOP 0 mode.

Hello Everyone,I am facing an issue with my MCU entering low-power mode.My idea is to freeze the Independent Watchdog (IWDG) counter in STOP mode so that the MCU will not reset due to the IWDG counter elapsing.From my understanding, this can be achie...

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Resolved! STM32N657 IO 3.3V tolerant?

Hello,I'm using the STM32N657 processor and have the HEXASPI device running at 1.8V.  VDDIO2 is connected to 1V8 supply (which affects: PO[5..0] and PP[15..0]The FMC is placing the A23 line on pin PO1 (this is the only option for the FMC-A23) and the...

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matt-crc by Senior III
  • 325 Views
  • 5 replies
  • 1 kudos

Resolved! L073: ADC & DMA, strange buffer "shift" in CIRCULAR mode

Heyho,strange things happening that I'd like to understand for a STM32L073 (Nucleo for now).Setup on a L073 @ 32MHz:- ADC is clocked by PCLK/4- ADC prescaler = 2 -> divide by 4 -> 2 MHz- 12 bit right aligned- ref V = VDDA = 3.3V- hardware oversamplin...

LCE by Principal II
  • 585 Views
  • 15 replies
  • 2 kudos

Resolved! STM32H750 XiP Clock change

Hey together, I have a question regarding changing the clock while running in XiP mode. Upfront everything works so far very well. On our STM32H750 we have a very simple bootloader. This bootloader configures the QSPI and the STM32H7 to run the appli...

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ESawa.1 by Senior
  • 579 Views
  • 6 replies
  • 0 kudos

Resolved! Cannot enter DFU mode on STM32F446ZET6

Hi everyone, I’m working with a custom made STM32F446ZET6 board that otherwise functions perfectly (all peripherals, flash programming, etc. work fine). The only thing that doesn’t is the ROM bootloader. I can’t get USB DFU or UART boot to respond no...