STM32 MCUs Products

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Forum Posts

STM32L071 draw more current than expected

Hello,  I'm using a STM32L071KZT6 on a custom PCB and it was working fine, until after some programming iterations, it suddendly started drawing more current than expected. It reached 220mA to power with 3.3V. This happened twice, in two different mc...

Resolved! What is the DBATTEN Setting in UCPD_CR register

The DBATTEN setting in the UCPD_CR register claims the following But as far as I know, the dead battery functionality is always present. It would have to be to work unless this is stored in NVM.Maybe this DBATTEN is some other Rd value? Maybe the ANA...

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Carl_G by Senior III
  • 348 Views
  • 6 replies
  • 2 kudos

Resolved! STM32 GPIO NMOS

What is the maximum current that the STM32 GPIO can withstand when set to open-drain mode and the NMOS is on without getting damaged?

jacklin by Associate II
  • 188 Views
  • 6 replies
  • 8 kudos

Resolved! STM32L412RB - Programming

Hi, Is there an option to program the STM32L412RB with DFU / Serial interface? I was programming the STM32F407 with DFU and Serial before and now I want to use the STM32L412RB and program it the same way. I can't find any information on the BOOT1 pin...

ronnabh by Associate
  • 173 Views
  • 4 replies
  • 4 kudos

Cannot wake-up from STOP mode with LPTIM

Greetings, I am having trouble in waking up from Stop mode in STM32U585RIT6 LQFP64 MCU. So I saw the following posts: https://community.st.com/t5/stm32-mcus/troubleshooting-waking-up-from-stop-mode-issues-with-lptim-in/ta-p/745343https://community.st...

j_filipe by Associate III
  • 97 Views
  • 2 replies
  • 0 kudos

Resolved! Question about the speculative accesses

Following this post describing how to disable speculative accesses on external memories range (0x6000 0000 to 0xDFFF FFFF) on Cortex®-M7 processors, I'm wondering if such mechanism should be done to:- memory regions marked as reserved:Source - DTCM /...

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Tahm_A by Associate
  • 136 Views
  • 1 replies
  • 0 kudos

Resolved! Is there a way to store lots of data on a stm32 board?

My company is developing a system that needs to download thousands of images from a computer to an STM32 development board via a local area network. The total size of the images may reach tens of GB (if possible, the data should remain even in the ev...