STM32 MCUs Products

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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...

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andreas23 by Associate II
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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 II
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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
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  • 1 replies
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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
  • 1444 Views
  • 2 replies
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How to dynamically reassign the pin?

Originally, I configured PB6 to work with OneWire using DMA! However, after some time, I need to use the same pin for operating an LED!Below are the steps to reset the pin settings to default.1. Stopping all processes associated with using DMA on pin...

DK.7 by Senior
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  • 2 replies
  • 1 kudos