STM32 MCUs Embedded software

USART1 ST bootloader not working on Nucleo F070RB

USART1 works as expected from firmware loaded via SWD. However the ST bootloader does not work. It never responds to the initial 0x7F with anything. I have scoped tx and rx and cannot see anything wrong and, as stated above, the UART works under the ...

STM32L08 bank swap/remap/alias ?

Hi, I plan to use the STM32L082 for a product that must be safely in-field upgraded. I am trying to understand the dual bank feature to see if this could help me. I would like to have the production firmware in Bank 1 via SWD, and the Bank 2 would be...

Hello, I have downloaded X-CUBE-AWS package ver 2.1 and apparently it is missing project files for P-L496G-CELL02 (cellular platform). Can you please advise how I can obtain those those files? Thanks, I

STM32L452 bootloader reset by PA0

Hello,I believe I have a rather curious situation. I was able to jump to the device embedded boot-loader (USB) which works nicely. However if button connected to PA0 is pressed (rising edge), the boot-loader reboots to main code. Pin PA0 is previousl...

Cheapest STM32 that can simultaneously do USB as a Host and Device.

Hey all! Does anyone know the cheapest option for a STM32 chip that can simultaneously do USB as a Host and as a Device? I tried using the product selector but the issue is that it didn't list price as a filter option, so I thought I would ask here.I...

STM32L4 USB CDC Device

Dear,I have an issue working with STM32L4 USB CDC Device. So I have two separate projects of this. I configure USB CDC Device on the first prooject (COM6), and everything works fine. I then work on another project with a different configure on USB CD...

STM32F429 hardfaults in __libc_init_array after jumping to application's Reset_Handler from bootloader. Why?

I’m creating a custom USB HS DFU bootloader for my STM32F429 project, using arm-none-eabi-gcc together with the CLion IDE. I’m having trouble jumping to the application code from the bootloader.The CLion project consists of a bootloader target and a ...

STM32f070f6p6 USB CDC VCP, HID (Unknown device- descriptor request failed)

I tried all possible solutions but still not working...need some enlightenment :)I am using STM32F070F6P6 china made breakout board and has no on-board USB circuit so I made it on breadboard. please see attached circuitI am using default STM32CubeID...

Hi~! I am Korea Audio engineer.I use STM32F207VCT6 Micro controller. Reading USB 2.0 and Micro SD card and transmits data to codec. But it can't read data on USB 3.0 How can I use USB 3.0 format in the STM32? If I use STM32H743x then can usb USB 3.0?