STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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Resolved! stm32H743zi pin configuration

My hardware has the I2C pins (SDA and SCL) connected incorrectly, and I cannot change them because the hardware is already built. Is there any way I can fix this issue from the firmware side? Can I change the pins through software? hear attach my sch...

Rahu2710_0-1737701437236.png Rahu2710_1-1737701494796.png
Rahu2710 by Associate
  • 568 Views
  • 1 replies
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STLINK V3 RX/TX direction?

On the STDC connector, Pin 13/14 are virtual com port signals T_VCP_RX and _TX.Which one is input and output? They have cryptic comments like "Output for STLINK-V3SET" (for _RX) - Is RX an output and connects to the RX pin on the STM32? Or is it an i...

Martin294 by Associate III
  • 2679 Views
  • 6 replies
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Resolved! STM32H563RG VCAP connection

For product A (68-pin VFQFN package), pins 31 and 66 are VCAP pins, and 2.2uF capacitors have been placed on each pin. Should pins 33 and 66 be connected to each other, or is it sufficient to place the capacitors on each pin individually?      

kimcm2_4-1737700169586.png kimcm2_1-1737700058544.png kimcm2_3-1737700092193.png
kimcm2 by Associate
  • 847 Views
  • 1 replies
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STM32H745 Dual Core bootloader application

Hi,I am using stm32h745 dual core microcontroller. I want to bootloader application in this processor. The same process does not work with applications made with single core. Can anyone share a sample code for this? Or can you help me on how to apply...

HS by Associate II
  • 2855 Views
  • 9 replies
  • 2 kudos

Resolved! HAL_I2C_Mem_Write with 24LC01B EEPROM

Hi there!here i'm for ask another help. I use STM32G031 for write and read eeprom 24LC01B , and i work with where Address = 0x01;HAL_I2C_Mem_Write(hi2c, DevAddress, Address , I2C_MEMADD_SIZE_8BIT, &val, 1, 100);so if i wrote 7 byte everythingh work p...

SGian.1 by Senior
  • 1201 Views
  • 2 replies
  • 0 kudos

Resolved! STM32U5G9J-DK1 signal levels

I am designing interface board  similar to MB1835 for our touchscreen to work with MB1829.  STM32U5G9NJH6Q power supply VDD, VDDA, VDDIO and VDDUSB are all supplied with 1.8V. Thus, STM32U5G9NJH6Q GPIO is compatible with 1.8V signals. Touch Screen co...

Kelly3 by Associate III
  • 825 Views
  • 1 replies
  • 1 kudos

Resolved! NUCLEO-H743ZI2 Fault LED is always ON

Hello,I hope you are doing great, I am facing the issue with NUCLEO-H743ZI2 Board, The LD6 is always ON and the IC U2 is getting overheated as soon as we connect the USB cable to dump the code and also unable to dump the code. It would be great if so...

Rohith1 by Associate
  • 909 Views
  • 1 replies
  • 1 kudos