STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Setting Prescaler and Period for Buzzer

For producing 4KHz resonant frequency sound from a buzzer using 32KHz system clock, what should be the Prescaler value and Period(ARR)? Is there any rules for defining these values?

hazin by Associate III
  • 2843 Views
  • 4 replies
  • 0 kudos

Resolved! STM32H725ZGT6 hangs after programming

Hello friends, i have the following setup:STM32H725ZGT6 on a selfmade board. STM32 CubeMX (default program with HSI clock and without any other peripherals). Keil µVision 5.23ULINK2 Debugger problem:I can program the controller ("verify successfull" ...

NucleoBoard_STLINK2.png
TimK1 by Associate II
  • 1923 Views
  • 7 replies
  • 3 kudos

STM32U5 wakeup from stop mode with LPUART

Hello.I'm trying to wakeup the STM32U5 controller (U575ZI Nucleo board) when a byte is received using the LPUART.I'm using the LSE clock for the LPUART. Without entering the stop mode, the LPUART interrupt is triggered whenever a byte is received. Th...

0693W00000WJbwhQAD.png
andreas23 by Associate II
  • 6854 Views
  • 11 replies
  • 0 kudos

FX_IO_ERROR - LX_SYSTEM_INVALID_BLOCK

Hello,  I am trying to install FileX + LevelX in an stm32h7 microcontroller using a nor custom driver. I do have in my hardware an AT45DB641 NOR memory. I am working it as an stand alone and also with fault tolerant enable. My flash chip does have 40...

urbito by Senior
  • 898 Views
  • 0 replies
  • 0 kudos

USB-C Power Delivery Sniffer with Nucleo-L152RE

Hello, Is there an option to use with Nucleo-L152RE as Power Delivery CC line sniffer and decoder?As far as I know to allow to sniffer cc line protocol it should have the ability to use Manchester decoder.Thanks,

RNYL by Associate
  • 401 Views
  • 0 replies
  • 0 kudos

Resolved! DMA RX complete interrupt sometimes not called in STM32L4

Hi everyone, I've done these steps before on STM32F0, STM32F1 and STM32F4 microcontrollers to detect when a circular DMA buffer for UART "wraps" (The counter finishes with the array and starts from the beginning again) with complete successActivated ...

IJoe.1 by Associate II
  • 1197 Views
  • 1 replies
  • 0 kudos

Resolved! Timer update generation delay

Hello,I am verifying timer functionality on an STM32F303K8 Nucleo development board. After generating an update event, the counter register does not update immediately - in downcounting mode, it takes several nops for the counter to read the same as ...

bsakas by Associate II
  • 1152 Views
  • 2 replies
  • 0 kudos