STM32 MCUs Products

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STM32L4 Confusion about Dual Bank + setting SCB->VTOR

I'm using an stm32L4R5 with 2 MB dual bank flash. All I am doing is running application from bank 1, copying it over to bank 2, rebooting, running app from bank 2 copying over to bank 1 process continues. This all works fine when I set SCB->VTOR = 0x...

devtty by Associate III
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how to flash/ update STM32 firmware

Hi there,I would like to ask for some help or advice to fix the below:I want to flash/ update the firmware (.dfu file) of my LILYGO TTGO T-Motion/softRF Dongle which runs on STM32 S76G Lora Chip by using DfuSe DemoUnfortunately the device is recogniz...

ADros.1 by Associate II
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  • 6 replies
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Resolved! STM32H7 Delay Block Configuration (LNGF does not get set)

Hi, I was trying to configure the Delay Block on the STM32H723xx for the Octo-SPI (in my case OCTOSPI2). The datasheet documentation on that part is quite simple with 6 steps, but I get stuck at the Line Length Valid Flag. After the first round (unit...

JRS by Associate III
  • 3349 Views
  • 10 replies
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DMA interrupts don't work

Microcontroller STM32F401. The DMA controller transfers data from memory to the DR register of the SPI interface. With the HTIE and TCIE bits set, DMA is not included in the interrupt handler. At the end of the data array transfer, the program freeze...

Vlad2022 by Associate II
  • 3195 Views
  • 18 replies
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Resolved! Why does a condition always evaluate to be true?

Hello everyone,I have an issue regarding an always true condition produced by the following code.Since I have never run into this kind of issue with C I guess it must have something to do with the STM environment.The condition within the if-statement...

JHarm.1 by Associate
  • 930 Views
  • 2 replies
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