STM32 MCUs Products

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Resolved! Firmware upgrade with USB stick for microcontroller STM32F7 with quadspi for storing images in external memory

Hi folks... I did a bootloader for STM32F7 able to load an hex file from USB stick .. erase the previous flash memory starting at address 0x0810000 (the starting address of the app to delete) and update correctly the new app. The problem is that the ...

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SGasp.1 by Senior
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  • 3 replies
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SPI with DMA: Add delay between bytes

Hi all,I am working with a peripheral using SPI at 25MHz.I would like to use DMA to send a continuous stream of data but the problem is that peripheral requires a 125ns delay between bytes. Is there any way to achieve that with DMA?I guess if i use D...

JSmit.11 by Associate II
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  • 12 replies
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Resolved! STM32 Inaccurate PWM Freq

I have the Nucleo - STM32F446RE board and have been trying to work with the PWM (using CubeMX) on it for Motor Control. But for some reason I was getting 32.8Khz whenever I set it for 32Khz (while SYSCLK was 180Mhz). I checked my calculations but to ...

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Resolved! Incorrect time elapsed using SysTick

Hi, I'm currently using STM32F401RE Nucleo-64 Board. My purpose of this project is to configure ISM330DLC Accelerometer, taking reference from STEVAL-BFA001V1B sample code on Vibration Analysis. As a summary:After enabling the accelerometer FIFO FULL...

ZTan.2 by Associate II
  • 1561 Views
  • 4 replies
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Resolved! External load capacity calculation

Hello All,I'm a bit stuck on the calculation of the external load capacitances on a STM32F205, regarding the LSE Oscillator for 32.768kHz.In the AN2867 there is the following formula:When assuming that CL1 and CL2 are the same, the formula could be s...

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ame by Associate II
  • 2796 Views
  • 7 replies
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Availability of STM32 controller

Hello Support Team,I am looking for support regarding controller. I want to use STM32H745IIT6 in my design. I have completed my almost design and when I want to purchase this controller I found it non stock.Can you please let me know the availability...

NJani.2 by Associate II
  • 710 Views
  • 3 replies
  • 0 kudos

Stm32f407vg don't work with SD card via SPI.

I am beginner and I want to read/write data to SD card via SPI.I do everything according to this instruction https://01001000.xyz/2020-08-09-Tutorial-STM32CubeIDE-SD-card/ and all time get f_getfree error (3)And I also tried to repeat by this instruc...

DK.7 by Senior
  • 487 Views
  • 0 replies
  • 0 kudos