STM32 MCUs Products

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Forum Posts

Problem with the ADC measurement with DMA and RTC

HII have a problem. I want to measure 4 channels of the ADC every 20 seconds (this is more time but for now it is like this for testing) through an RTC interrupt, then print by the serial terminal.What happens is that it shows me the reading every 20...

CCuev.1 by Associate
  • 900 Views
  • 1 replies
  • 0 kudos

Datasheet and CubeMX not matching with pin alternate functions

Hi,I have a project involving an STM32F030C8T6 MCU. The datasheet says that pin PF0-OSC_IN and PF1-OSC_OUT have I2C1_SDA and I2C1_SCL as their Alternate Functions. When I go CubeMX to select them as such, it doesn't give me an option to do so, even t...

JS8 by Senior
  • 1019 Views
  • 3 replies
  • 0 kudos

Nucleo L476RG at 1.8V

I want to run a Nucleo L476RG at 1.8V at first glance it looks possible with a few caveats.according to the schematic (C03)https://www.st.com/en/evaluation-tools/nucleo-l476rg.html#cad-resourcesThere are two regulators I need to be concerned withU4 w...

Qye by Associate II
  • 7886 Views
  • 3 replies
  • 0 kudos

ST marking name

Hello. I bought a STM32G474MET6 chip on Alibaba and the supplier claims that the chip is original but I have some doubts. Here are the attached images he sent to me. Can you please check that and confirm if it’s genuine please ?      

3BFCE69D-5051-49D3-B0AD-AC82DD58422C.jpeg

CoreDebug->DEMCR default value

Hi,MCU - STM32H7I have noticed that the CoreDebug_DEMCR_TRCENA bit in the DEMCR register is set by default if a debugger is connected. But, I need to enable it explicitly (as shown below) if the debugger is not connected.    CoreDebug->DEMCR |= CoreD...

Luke_abc by Associate III
  • 2302 Views
  • 5 replies
  • 3 kudos

EEPROM emulator corrupts STM32G431KBU6 program

Hi all,We deployed a lot of devices that have a STM32G431KBU6 controller.It basically has a foot switch to turn on/off a 12v DC motor and a rotary switch to control the speed.We use EEPROM emulator to save the speed setting.If speed setting is differ...

WSpar.1 by Associate III
  • 8802 Views
  • 31 replies
  • 7 kudos

Resolved! Custom bootloader via Modbus

I have a custom design using the STM32G474RBT3 (128kB flash category 3 device) MCU.  In this application, the firmware needs to be updated remotely via the normal communication channels to the board.  In this case, it is Modbus over an RS485 multi-dr...

Unico GUI not working on Ubuntu 18.04 (STM32F401VE)

Hi, I am using MKI109V3 (STM32F401VE) as motherboard and MKI239A as IMU adapter. My Unico version is 9.16. Following UM2116, I tried everything in Windows 10, including firmware upgrade to 3.58.2 (latest), and all data display works fine in Unico.Aft...

ZSong by Associate III
  • 2039 Views
  • 3 replies
  • 0 kudos

GreenPAK

Hi all,I'm starting to use GreenPAK devices... I use the SLG46826V version which is reprogrammable, and I want to take advantage of the possibility of programming it on board with the I2C of the STM micro. The device I read and write regarding the re...

MBosc.2 by Associate II
  • 793 Views
  • 0 replies
  • 0 kudos