STM32 MCUs Products

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Resolved! FDCAN not working on Nucleo U545 boards?

I've tried both Zephyr RTOS and an STM32CubeIDE HAL project, and cannot get the FDCAN interface to work.After performing requisite initialization steps, I add a packet to the TX FIFO. No error is returned, but no packet is transmitted. I can repeat t...

robzeno by Associate II
  • 3670 Views
  • 8 replies
  • 0 kudos

Resolved! Programming stm32f4 with openOCD @2.5V

Hi,some flash operation depends on the MCU supply voltage (see picture).I would like to program an STM32F401 with openOCD, where the MCU is supplied with 2.5V.Is the possible?If yes, - Can I use the stm32f4x.cfg or are there modifications needed?- Sh...

TB_0-1709808760688.png
T B by Associate II
  • 1166 Views
  • 1 replies
  • 0 kudos

Resolved! STM32 NUCLEO and Simulink

Hi , I am trying to build a simple program for blinking leds in Simulink using STM32 NUCLEO F746ZG. When I push on "Build", Simulink gives me this error. Does anyone know how to fix it? Thank you in advance

Sim_bloques.png Captura de pantalla 2024-02-12 222109.png

Windows not recognizing STM32F103RBT6 in DFU mode

Hello there!I have a custom board to control a motor, which I have tested so far using SWD, but now I need it to use the USB DFU to upload new code. As far as I get it, to make the DFU work, I have to put some code in the microcontroller. Following s...

Schematic.png
FelipeLw by Associate
  • 4805 Views
  • 6 replies
  • 5 kudos

Resolved! STM32WL5M I2C and the Sequencer Utility

Hello.Recently I received an B-WL5M-SUBG1 board and started to develop a LoRa applicationbased on the LoRaWAN_End_Node example that I got from STM32Cube_FW_WL_V1.3.0 archive.I managed to get the example running and sending LoRa packets.My objective n...

c-scherma by Associate II
  • 1512 Views
  • 2 replies
  • 0 kudos

Resolved! ADC conversion error of more than 20%

Hello,I'm having problems with the adc conversions on my STM32G491.There is an error of 23-26% higher than measured with scope or multimeter.I'm using ADC1 & 2 in dual mode with DMA, I have an input signal coming from an opamp voltage follower.I'll a...

Yves Bmnt by Associate III
  • 3113 Views
  • 8 replies
  • 3 kudos

Resolved! G431 will run (somewhat) with debugger, but not on its own.

I have made a prototype, and it runs as just after upload. But when i just turn on the power, it wont. It does not matter if the st-linkv3 ist connected or not. When i reset it, via the NRST pin, it also wont run.I already used the HSE and HSI, and c...

Tobe by Senior III
  • 1412 Views
  • 5 replies
  • 1 kudos

TSC problem when enabling Vdda

Hi,I'm developing a project based on the STM32U535VET, in which I have 12 touch buttons and a TFT display.Starting condition:I'm in a situation in which I'm reading the TSC channels and I'm having some "analog" problems. If the Vdda isn't enabled, th...