STM32 MCUs Products

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Facing unknown runtime error

Getting this error "assertion "Balloc succeeded" failed: file "/build/gnu-tools-for-stm32_10.3-2021.10.20211105-1100/src/newlib/newlib/libc/stdlib/mprec.c", line 778" in runtime for stm32l452ret6p microcontroller. I am doing baremetal programming and...

SSaiy.1 by Associate III
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  • 3 replies
  • 2 kudos

Resolved! STM32L496QGI3 Vbat pin connection

Hi, Can the VBAT pin on this part be left floating? I currently have the pin disconnected. Or should it be tied to VDD or GND in order for the part to function properly?  Thanks,   

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WAkba.1 by Associate
  • 503 Views
  • 1 replies
  • 0 kudos

STM32 software library for implementing a sensor hub

Hi, I want to implement a sensor hub that can connect to multiple (e.g. 8 ) sensors (from the same type), collect data from them, aggregates the data into a single message and sends it out. The board will be custom, if necessary, and based on e.g...

kreceon by Associate
  • 828 Views
  • 0 replies
  • 0 kudos

STM32H563 LSE does not always start

I am using an stm32h563 nucleo 144 board, and I am frequently running into the issue that after a power cycle the LSE does not start.This is the relevant part of my SystemClock_Config: LL_PWR_EnableBkUpAccess();while (LL_PWR_IsEnabledBkUpAccess () ==...

PieterG by Associate III
  • 1297 Views
  • 5 replies
  • 4 kudos

Resolved! Debugging STM32H573I-DK_aws_ri_tz example

Hello everyone, I hope you are well.I'm starting a new project using the STM32H573I-DK kit, where I would have to connect to AWS and publish the value of some sensors. The first step was following the webinar https://content.st.com/stm32h5-connects-s...

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ffjunq by Associate III
  • 548 Views
  • 1 replies
  • 0 kudos

STML496RGT from SPI to QSPI

Hi all!I'm currently programming a pulser and have to write a list of registers. I prepared the communication on SPI (which works), only to realise the pulser can only be programmed over QSPI.Now I'm having some issues switching my code from SPI to Q...

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Resolved! SPI by hand/prerequisites for SPI

Hi,I've been trying to adapt the current SPI driver in RIOT OS to support the U5 series(STM32U585AI), due to my lack of success I've been trying to sidestep RIOT for a moment and try to do must of the setup manually. But so far I have not been able t...

mdr by Associate
  • 909 Views
  • 3 replies
  • 0 kudos

Resolved! STM32G031C6 problems during production programming

Dear all,In the last weeks we have started the production process of a specific equipment, using the new microcontroller STM32G031C6 and unfortunettly we have faced some problems after the programming process.The problem is that some devices were app...

TFBorth by Associate II
  • 1992 Views
  • 6 replies
  • 1 kudos

ERR when external SDRAM & NandFlash with FMC

Hi there,I have a touchGFX project with STM32F429BI, which uses the external SDRAM for the buffer, and the Nand Flash for the image.Both SDRAM and Nand Flash work well when turning off the other.But when I enable LTDC, the Nand Flash always gives an ...

Junde by Senior III
  • 521 Views
  • 0 replies
  • 0 kudos