STM32 MCUs products

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problem in the implementation of USBOTG

I am currently working on a project that involves integrating USB functionality for data transfer and data logging on an STM32F407VG micro-controller. Specifically, I want to log data files on an SD card and enable the user to download these logged f...

STM32L083 UART receives only one byte

Hi,I am trying to receive data (on STM32L083) via USART1, the way I was used to doing it on STM32L071. Specifically, I used a circular buffer that was continuously written to by DMA - RX. Now, I've ported the code to this L083 and it seems that nothi...

JR2963 by Senior
  • 8 replies
  • 1 kudos

Resolved! Documentation: USART1/2 and APB2/1 on STM32U5 series

Is USART1 on APB1 (AN5593, tab.17) or APB2 (DS, RM, CubeMX) and USART2 on APB1 (DS, RM, CubeMX) or APB2 (AN5593, tab.17)? Guess, there is an issue in an5593-how-to-use-the-gpdma-for-stm32u5-series-microcontrollers-stmicroelectronics Rv.4 , isn‘t it?

FB1 by Associate II
  • 2 replies
  • 0 kudos

Resolved! USART6_CTS pin of STM32F407

Hello forum and devs!Have one simple question: datasheet of STM32F407ZGT (STM32F40x series) and Cube MX says me, that this MCU doesn't contain USART6_CTS pin, but contain two USART6_CK pins. Is it mistake, and where is USART6_CTS pin?Official datashe...


hello, USART read doesn't work on nucleo board.

I am using stm32u575zit6q. I set Baud Rate 2500000bit/s.(my equipment is only support 2500000bits)usart write is work successful, but read is not.usart read work only 9600bit/s.How do I use the read to work over 9600baud rate? 

스크린샷 2023-10-23 113055.png
Dinggo by Associate II
  • 5 replies
  • 0 kudos

Unable to program STM32F103 through UART

I created a custom board with the STM32 (F103C8T6), and I am trying to program it using a FTDI USB to Serial module. However, nothing is happening, it doesn't seem to be sending anything and when I try using STM32CubeProgrammer it says:Timeout error ...

Nv7_2-1694149065260.png Nv7_4-1694149113730.png
Nv7 by Associate II
  • 13 replies
  • 1 kudos

Resolved! Blocking vs non-blocking UART using an RTOS

Hello there!I've been setting up the UART peripheral on my STM32H5 and everything works great! However, there is one thing I can't completely understand:Using an RTOS to call HAL_UART_Transmit or HAL_UART_Transmit_IT, what's the advantage of one over...

nunokisi by Associate
  • 4 replies
  • 1 kudos