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Forum Posts

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
  • 5256 Views
  • 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 ...

0693W00000BbSjCQAV.png

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
  • 2038 Views
  • 4 replies
  • 1 kudos

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...

0693W00000BceheQAB.png 0693W00000Bcei3QAB.png
ame by Associate II
  • 3774 Views
  • 7 replies
  • 0 kudos

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
  • 882 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
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  • 0 replies
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STM32F4 input capture Confusion.

 Hi.I’m working on a Nucleo-411, using CubeIDE, and HAL, and I want to read 4 PWM signals from am RC receiver. That is 4 50Hz signals, with a pulse width ranging from 0.5mS to 2.5mS. I’m following the reference manual, and some examples, and so far I...

CPetr.1 by Associate II
  • 1814 Views
  • 6 replies
  • 0 kudos