FAQs
Sujith
Associate III
since ‎2024-10-10
‎2025-01-07

User statistics

  • 13 Posts
  • 1 Solutions
  • 0 Kudos given
  • 0 Kudos received

User Activity

STM32 Virtual COM Port "Unknown USB Device" on one particular laptop

2025-01-07
Hello STM Community,I'm facing an issue with my STM32 device on Windows 11. The Virtual COM Port (VCP) driver is not working, and in the Device Manager, the device is shown as:Unknown USB Device (Device Descriptor Request Failed)Here are the details:...

Purpose of Secondary Microcontroller in Development Boards

2024-12-20
Hi everyone,I’ve noticed that many STM32 development boards include two microcontrollers: a main controller and an additional smaller-range controller. For example, I have the STM32L476 Evaluation Board, which features the STM32F103CBT6 as the second...

Testing CAN Protocol on STM32L476G evaluation board

2024-12-05
Hi,I’m using the STM32L76G evaluation board and would like to work with the CAN protocol. I have a DB9 connector but no slave devices. Could you suggest how I can test and work with CAN in this setup?

RTC Not Working When Using VDD for VBAT on STM32L4

2024-10-22
Hello STM32 Community,I’m encountering an issue with the RTC on my STM32L4 microcontroller. When I connect VDD to the VBAT pin (without using a battery), the RTC is not functioning. However, if I use a battery for VBAT, the RTC works fine.Here’s the ...

Supported SD Cards for FATFS Library Generated by CubeMX

2024-10-10
Hello STM32 community,I’m using FATFS, generated by CubeMX, in an STM32 project, and I would like to know which SD card types, speeds, and manufacturers are supported. Specifically, I’m interested in:Which SD card types are supported: SD, SDHC, and S...
Top