About FBL

FBL · 2024-09-08

Introduction Dead battery configuration control (DBCCx) pins play a crucial role in USB Type-C® applications to manage scenarios where the device's main power source is unavailable (dead battery). These pins, used with configuration channel (CC) pin...

FBL · 2024-08-29

Summary This article presents a step-by-step tutorial on how to develop a USB device with dual CDC ACM in the STM32F7 microcontroller using the classic USB library. The tutorial is based on NUCLEO-F767 and can be easily tailored to any other STM32. ...

FBL · 2024-04-23

Introduction Some external USB HS PHYs compatible through the ULPI interface are detailed in Table 12, compatible USB HS PHY in AN4879. However, not all transceivers could be listed in the application note. Compatibility checking is necessary before...

FBL · 2023-01-13

How to configure swap bank on STM32H7? (Part 2) Following Part 1 Step 3: Building Binary file for Bank1 1. Add FLASH_BANK1 as preprocessor: Project Options> C/C++ Compiler > Preprocessor 2. Check that vector table settings are as following (Project O...

FBL · 2023-01-13

How to configure swap bank on STM32H7? (Part 1) Objective An important requirement for flash-memory based systems is the ability to update firmware when installed in the end-product. This facility is referred to as in-application programming (IA...

FBL · 2024-10-04

Hi @drad1 VDD50USB can be supplied through the USB cable to generate the VDD33USB via the USB internal regulator. The current consumed through the VDD50USB port on the STM32H755XI MCU is around 10mA.

FBL · 2024-10-04

Hi @EMont.1 Would you start with the example provided STM32CubeU5/Projects/STM32U575I-EV/Applications/USBX/Ux_Device_MSC at main · STMicroelectronics/STM32CubeU5 (github.com)and replicate the issue? This would help to forward your request for testin...

FBL · 2024-10-04

You may start a new project since I cannot progress in this subject without sharing your project. It seems, you are only missing the configuration file (or maybe the tutorial). You need to check the conf file should be present in your project and pro...

FBL · 2024-10-04

Hi @BOh.1 Would you please provide us with minimal firmware and setup to reproduce on my end the behavior?

FBL · 2024-10-03

Hi @SElli.11 usbh_conf.h is configuration file among header files. Maybe you didn't rename the template file and keep it as it is usbh_conf_template.h

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FAQ: Using dead battery pins in an STM32 with an integrated UCPD

How to implement a dual CDC ACM USB device using the ST classic library

How to check compatibility on USB ULPI transceivers with STM32 MCUs

How to configure swap bank on STM32H7 P2

How to configure swap bank on STM32H7 P1

Re: Current Consumption of USB regulator on STM32H755II

Re: USBX MSC Windows 11

Re: Header file not found - "No such file or directory" - but it exists!

Re: STM32F1 USB CDC Transmit is getting more slower on large data transfer

Re: Header file not found - "No such file or directory" - but it exists!