STM32 MCUs Products

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Resolved! STM32H755 - RTC->SSR & RTC->SHIFTR

Dears, I have issues with setting RTC shift register.I have setup RTC with AsynchPrediv = 127 & SynchPrediv = 255 and is working normally.I tried to periodically setting RTC->SHIFTR with value 100 each 5 secs. Then wait for the shift operation to com...

ravo by Senior
  • 2065 Views
  • 14 replies
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Interfacing an ENDAT Encoder with Stm32

Hi, I am interfacing an ENDAT Encoder with Stm32 microcontroller, Actually my board is controlling motor as well with timer interupts . So I need to ask My code is a function having for and while loops in main().When Motor control side Interupts occu...

SRehm.2 by Associate
  • 1632 Views
  • 2 replies
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DSI Host Error Handler

Hi,  I`m new to MIPI DSI, and still learn how to use it.Recently, I develop with my custom board and start with MIPI interface display. Then config with CUBEMX, but after compile program, it always stuck in HAL_DSI_Iinit  while loop below      /* Ge...

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Resolved! I2C Not Working

I am unable to get the I2C line on my STM32H750VB to connect with my PCA9685 PWM driver on my custom PCB. The I2C line is constantly high, which I have seen on multiple oscilloscopes. I got the software online from a tutorial on the PWM driver and wa...

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Avid by Associate III
  • 989 Views
  • 3 replies
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Resolved! DTCM cache DMA issue

Device is STM32F765VI.I'm using DMA to fill data allocated from DTCM, for some reason this seems to be caching.My understanding is that DTCM doesn't need cache management, help me if wrong here.  If I don't enable the data cache everything works as e...

_EFrie by Senior
  • 365 Views
  • 1 replies
  • 0 kudos