STM32 MCUs Products

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Resolved! Changing the pin connections on the STM32F407VET6

Hi.I have Uart pins (Rx/Tx) PA3 and PA2 on STM32F407VET6. Can these pins be changed to I2C (SDA SCL) in the program?Are the pins on STM32 that have been assigned a protocol (SPI/I2C/Uart) constant and cannot be changed or replaced?Thank you.

No_Name by Associate III
  • 125 Views
  • 7 replies
  • 1 kudos

- How to determine DFU parameters to exit DFU Mode

MCU: STM32F767ZI-NUCLEOSTM32CubeIDE Version 1.19.0Hello Everyone!We are trying to make the MCU enter DFU mode through firmware (without connecting BOOT0 and VDD). DFU mode works well, but we do not know how to determine USBD_DFU_APP_DEFAULT_ADD and U...

LeonSu_1-1764032909082.png LeonSu_3-1764033269647.png LeonSu_4-1764035207193.png
LeonSu by Associate II
  • 169 Views
  • 2 replies
  • 0 kudos

STM32F407 Option Byte 0xFF, bricked chip

Hi fellows,I have a custom board with STM32F407VGT6. The board was able to be programmed via the JTAG (4 wire JTAG interface; Boot pin is pulled low to ground and reset is connected to the JTAG interface (Nrset pin)) with a segger programmer - multip...

LPTIMER Counter for Delay in STOP2 mode not working

Hello,I have application which go to STOP2 mode once no LPUART/Modbus communication (Running at 32Khz LSI clock) is in progress.Using lptimer for silence timeout logic for UART data frame completion. The code sometimes cause delay during modbus commu...

npatil15 by Associate III
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  • 0 replies
  • 0 kudos

Resolved! DMA to SPI triggered by Timer STM32H723

Hi All,I am trying to send data to SPI1 via DMA1 Stream 0, using a timer to trigger DMA.Currently, I have used TIM4 Channel2 and Enabled DMA Update with DIER register (UDE bit).DMAMUX1 Channel 0 Request is set to 32.So far, this part seems to work: I...

thomas23 by Associate II
  • 1310 Views
  • 3 replies
  • 2 kudos

Resolved! ReadMemory Uart STM32F4xx

Hello, i am stuck on UART topic and i have an argument with someone.He states that ReadMemory(0x11) is sent by STM32. Is that really so? Does STM32 at any point sends "0x11" as response? I must be missing something...

Hithere by Associate
  • 55 Views
  • 1 replies
  • 0 kudos