STM32 MCUs Products

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HAL_PWR_DisableWakeUpPin API not working as expected

Hi, I am working on STM32WB55RG MCU and I wanted to enable one pin for Wakeup from Shutdown mode. That works fine. But, when another EXTI pin is initialized, I am not able to disable it. The MCU wakes up when this pin (connector) state is changed, ev...

NRedd2_0-1740406344371.png
NRedd.2 by Associate III
  • 226 Views
  • 4 replies
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Custom Board USB HS STM32H7S3

Hello,I am designing a system to interface an ADC via SPI and send data through the USB (VCP) to a PC.I tested the flow using NUCLEO-H7S3L8, and everything was working fine so i moved to the design of a PCB.When uploading the same code i used on the ...

USB Schematic.jpg MCU schematic.jpg
andr3 by Associate II
  • 324 Views
  • 3 replies
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Resolved! CAN Bus Error Handling and Classification

Hi all, I am currently using the STM32F0 MCU. I would like to understand how errors are handled when the CAN bus triggers errors. Specifically, how is the error handling process for each error category implemented? Additionally, how can the system re...

1123 by Associate II
  • 412 Views
  • 6 replies
  • 5 kudos

Suggestions for MCU Choice

Hi :waving_hand:,  I am designing a midi controller. I want test out using an STM30 MCU, I was wondering if anyone could suggest dev board/ processor? I don't want or need wireless communication (wifi and Bluetooth)I want to run a lot of linier poten...

2fourK by Associate
  • 244 Views
  • 3 replies
  • 0 kudos

STM32L431CBT6 blocks in HAL_Delay()

Greetings! I am using STM32 for a very first time. I made my custom PCB with 10MHz oscillator. In the Clock Configuration window I have sellected the PLL and the HCLK is set to 80MHz (max for the uC). The outputs are all 80MHz. So I made a simple bli...

Resolved! SPI chip select pin

Hello,I need to connect more than 2 MCUs with SPI connection(1 Master, 2Slaves). Here is my Hardware connections :MISO1->MOSI2 && MOSI3MOSI1->MISO2 && MISO3SCK1->SCK2 && SCK3NSS1->NSS2 && NSS3But I don't know how I can select each slave with master (...

parisa by Senior
  • 1755 Views
  • 6 replies
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External Loader for STM32H533RE with W25Q32

Hi,I try build loaders for STM32H533RE using its nucleo board but it fails to read any thing using the cube programmer. i tried with nucleo H753 and it worked. i see that u already did loader for the H5 so would u please explain how or maybe update y...

msalem88 by Associate II
  • 281 Views
  • 6 replies
  • 0 kudos