STM32 MCUs products

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Power on built in test for STM32F446RE

Hello,   I am using STM32F446RE in my project and as per the project requirements I need to have power on built in test, initiated built in test and continuous built in test on STM32F446RE. Please let me know how different built-in self-tests can be ...

PAcha.1 by Associate
  • 4 replies
  • 1 kudos

Resolved! Multiple USB virtual com port

Hi, I would like to make a serial to usb converter. The problem is that I need to make a usb-to-32 serial port converter.I've seen that there is nothing like this on the market and not even chips that do this.What I came up with, is to use STM32s to ...

FMass.1 by Associate III
  • 2 replies
  • 0 kudos

Resolved! STM32U5Ax USB CoreReset timeout

Hi,I am stuck on this issue on the STM32U5A9J-DK. I have ported the USB part from a H725 i have running. Where i have copied the init code from generated code.In USB_CoreReset() the USB_OTG_GESTCTL_CSRST bit is never reset and hence a timeout occurs....

MBirk.1 by Associate II
  • 1 replies
  • 2 kudos

STM32 USB DFU circuit

I would like to program an STM32F446RET MCU with USB DFU bootloader. I did the following connections:- board VCC to USB cable and VBUS_FS- board GND to USB cable- UDB_DP to USB cable- USB_DN to USB cableWhen reset BOOT0=3.3V and BOOT1=GNDThe MCU seem...

DamianoF by Associate II
  • 3 replies
  • 0 kudos

Resolved! STM32G0B0 ROM Bootloader USB DFU

Hi,I have been able to use the option bytes to configure the Nucleo-G0B1RE to jump straight into the ROM bootloader on powerup and I can see the DFU on Cube Programmer, however on our target board with a G0B0 using the same user option bytes settings...

SageTech by Associate
  • 1 replies
  • 0 kudos

Resolved! Porting STM32H7 Composite-Audio-HID to STM32G4

I am trying to develop a HID and UAC Composite Device with STM32G491.I was proceeding with the implementation with reference to I-CUBE-USBD-Composite, but although it is recognized as a Composite Device from Windows 11, a problem like this occurs and...

Resolved! STM32G491 USB Composite(HID & UAC) problem

I have recently developed a USB Compoite (HID Keyborad & Audio Speaker) device using the STM32G491.I have been able to have it recognized as a Composite Device in the Windows 11 Device Manager, and I have been able to input keys and play PC sound fro...

Resolved! STM32L475RE Connection lost

Hello together,I am currently trying to program a STM32L475RET6. But I have the problem that when I connect the programmer and click on connect, a connection can be established, but it disappears after only a short time with the error "connection los...

netsbats by Associate II
  • 7 replies
  • 0 kudos

Losing data sending over USB CDC

Dear community,I am working with the STM32 Nucleo F429ZI board to send data over USB - CDC. I have set a time interrupt every 1ms and my goal is to send a package of data after each time interrupt (the data sent are consecutive numbers).As the code b...