STM32 MCUs Products

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STM32U LPTIM Autonomous Mode

I am using the LPTIM3 with LSEAn external input is used to trigger a capture.The STM32U575  spends most of the time in STOP MODE 2.To keep the LSE active in the LPTIM use the following instruction:_HAL_RCC_LPTIM3_CLKAM_ENABLE(); // SET_BIT(RCC->SRDAM...

dhs by Senior
  • 498 Views
  • 1 replies
  • 0 kudos

Power consumption of my HW

good morning,I am actually working on my STM32G431KB, I will use the power consumption tool of STM32cube once my code is complete but I would like to know if for now my calculations are correct.I want to use my board to power up 11 different sensor  ...

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Jad by Senior
  • 380 Views
  • 2 replies
  • 0 kudos

Resolved! Boot Issue with CM4 - STM32H745ZIT6

Hello Team,We have a custom STM32H745 board designed and We are able to get the IC up and running on cube programmer and even set option bytes. The board is designed with Nucleo-H745ZI-Q schematics and we have verified everything on hardware end.When...

Resolved! STM32H723 Flash Erasing before writing

Hi STM Community, I want to ask if I have to Erase Flash memory sector  (HAL_FLASHEx_Erase) before I write into flash memory (HAL_FLASH_Program)?I tried it and nothing happend. I want to be sure, that is not an accident.

adakPal by Associate II
  • 522 Views
  • 2 replies
  • 2 kudos

Using Rx DMA with buffer inside memory mapped OCTOSPI?

I've successfully configured a 64Mbit PSRAM with the OCTOSPI peripheral of my STM32H7B0 microcontroller in Quad and memory-mapped mode, although according to another thread and the erratas of the OCTOSPI peripheral, I understand that you should only ...

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

LAN8742 and USB virtual com port won't coexist?

STM32H735 using the RMII interface to the LAN8742 PHY chip. Right out of the eval board schematic, and it seems to work. USB also implemented in the usual way....and it works, until we turn on the LAN support in X-CUBE-AZRTOS-H7. Then the middleware ...

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MForb.1 by Associate II
  • 465 Views
  • 2 replies
  • 1 kudos

Resolved! STM32G491RCT6 Write protection Option bytes missing

Hello I am using an STM32G491RcT6 processor, when I connect it with ST-link to CubeProgrammer the Write Protection section of the option bytes does not appear, if I connect an STM32G491ReT6 processor it does, Document RM0440 does not seem to me to re...