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Resolved! Cycle Counter vs SLEEP - code correct?

Heyho,I was just trying to check awake vs sleep in my H723 application (no OS), so I wanted to make sure that my code is okay.It's using the cycle counter to measure all the cycles when the CPU is NOT sleeping, then compares the cycle sum to the SysT...

LCE by Principal
  • 784 Views
  • 3 replies
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STM32 DFSDM, cannot get the right resolution

Hello STM32-Community,I'm currently working witha PDM Microphone (SPH0641) and try to get it to work via DFSDM. I'm using the DFSDM tutorial vom STM32 to achieve the resolution required for my system.Currently I'm using:Filter Order : 3Fil...

NW.2 by Associate II
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  • 2 replies
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STM32H723 DFSDM Inject Mode

Hello ST Community​I encountered many problems when using DFSDM peripherals,Especially the trigger problem of injection mode​The STM32Cube H7 package which providing DFSDM example,Only refer a applicableation About Audio​Can the ST official provide t...

GWenJ.1 by Associate II
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  • 2 replies
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Resolved! Value of register VTOR at reset on STM32H753

The value of register VTOR at reset is "unknown" in the STM32H753 Programming Manual.I assume this is because it depends on the boot configuration of the product (boot pin and boot adress option byte) ?Is it correct to say that in the default boot co...

Gpeti by Senior II
  • 924 Views
  • 3 replies
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Flash erase is not working properly on STM32L4A6RGT6

I'm trying to use flash erase to erase the address 0x08040000, its not erasing. I think I'm giving the values wrong for Bank and Pages.#include "main.h" #include "stdbool.h" typedef enum { NONE, PREPARATION, FLASH_ERASING, FLASH_ERASE_DONE, FLAS...

HA.4 by Associate II
  • 820 Views
  • 4 replies
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Best PLL Multiply and Divider setting

Using the PLL generated system clock frequency, it is possible to generate the same output frequency with many different pre-divider, Multiplier and post divider constant combinations. How can I determine combination is best for stability or lowest p...

SJame.1 by Associate II
  • 4604 Views
  • 5 replies
  • 1 kudos

Resolved! STM32G0: Stoppping/Starting ADC with DMA for re-calibration

To avoid the best accuracy when using the ADC it is advised to re-calibrate the ADC when environment temperature changes "too much"The ADC calibration can only be done when the ADC is disabled, so to re-calibrate the ADC has to be stopped, disabled, ...

TBuls by Associate II
  • 1614 Views
  • 3 replies
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Resolved! DMA UART RX idle line interrupt earlier

Hi,i have been using F030C6 with 1 uart and make DMA works. but when i received a modem message( like AT+CPIN? e.g.) DMA stops 2 or more times. We can see the image below that i put one toogle pin to show when DMA interrupt occurs.my question is how ...

WBria.1 by Associate II
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  • 2 replies
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