STM32 MCUs Products

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A question on pin labeling for STM32H7

The STM32H7 reference manual (stm32h723zg.pdf) contains several tables describing he pin mappings (pin to functions).In Table 7 and 8, for pin A0, A5, and A15, it lists the pin function as "TIM2_CH1/TIM2_ETR" for alternate function #0. Should this be...

sidney by Associate II
  • 521 Views
  • 2 replies
  • 1 kudos

Resolved! STM32F0* Leave DFU mode with BOOT0 HIGH

Motivation: Release a product (STM32F072RBT) with no buttons or toggles on the PCB and allow customers to flash and interact with their product over USB serial interface. Requirement: Keep BOOT0 held high so the STM32 is in DFU mode upon initial conn...

Resolved! External interrupt and button debounce

Hi all,  I currently work on STM32F030K6 . I am working with a reed switch connected to pin PA8 (EXTI8). I havec onfigured the PIN like : "external Interrupt Mode rising/falling ....I need to perform an action on the rising edge AND on the falling ed...

JJoao.1 by Associate III
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  • 4 replies
  • 2 kudos

Resolved! 100ns trigger pulses

Hello team, which of the STM32 microcontroller is able to generate single trigger pulses in steps of 100ns +/- 10ns? Best regards,Jochen

JR1 by Associate II
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  • 3 replies
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Resolved! STM32F103C8 SysTick initialisation issue

Hi,I am using STM32F103C8T6 Blue pill board, STM32 CubeIDE 1.16.0, Build: 21983_20240628_1741 (UTC) on Ubuntu 22.04.5 LTS and ST Link v2 debugger. I am able to upload code, execute it and debug it via SWD.I am using CubeIDE's Pinout & configuration u...

akosbalogh01_0-1726951418169.png

Resolved! STM32G030 is support I2C master?

Have an issue with connection I2C sensor to STM32G030 chip.  Function HAL_I2C_IsDeviceReady alvais return HAL_ERROR.  Looks like this controller are not support I2C master, but documentation said: Features of the I2C peripheral: I2C-bus specification...

Bigdan by Associate III
  • 1431 Views
  • 5 replies
  • 2 kudos

STM32F4 ETHERNET RECEIVE ISSUE WITH LARGE PACKET

HII am using stm32f429 microcontroller for receiving 14000 byte packet continuously in TCP in Raw tcp.I am using LWIP 2.1.2 version for this .My packet gets received one or two times sometimes continuously receiving 14000 byte packet i have choosen u...

MGOEL.1 by Associate II
  • 2907 Views
  • 9 replies
  • 3 kudos

I2C clock not working

Hi everybody !! i have an issue on I2C with a STM32 issue. i thought this was a code issue but in the main i also make LEDs blinking and it works, only the I2C doesn't work but... i noticed that my lines both rise to 3.3V but never fall down it just ...

Tendo by Associate II
  • 4307 Views
  • 22 replies
  • 4 kudos