STM32 MCUs Products

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Issues about STM32H723 Timer1 PWM Generation

I have a problem with Timer1 PWM generation.We need to generate three pairs complementary PWM signals. The compare value can be modified at counter overflow and underflow event, as below shows.It seems the PWM center-aligned mode can’t meet the requi...

0693W00000WJqFiQAL.png
pliao.1 by Associate II
  • 1765 Views
  • 6 replies
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48 kHz 32 bit sampling on STM32F769DI

I've used pizza and beer's code (https://www.youtube.com/watch?v=O2XaCFsWxSw&t=1399s) for a 48 kHz in out CODEC routine on a STM32F769DI board successfully. My issue is that the incoming data in memory needs shifting before I can convert it to a floa...

IWhit.2 by Associate II
  • 705 Views
  • 1 replies
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Resolved! RTC external quartz drive level impact

Hi,I have questions about drive level impact on RTC configuration.I'm using a STM32U575, with a 32kHz quartz as LSE for my RTC.Transconductance of my quartz is 1,5µA/V, and drive level is 1.0µW max.I'm using medium high for my drive level, according ...

0693W00000WKfkXQAT.png
I2.1 by Associate II
  • 993 Views
  • 2 replies
  • 0 kudos

Resolved! set timer to interrupt every 500ns(2MHZ)

I am using stm32F103RE with 72mhz timer clock for using timer 1. I set prescalor to 0 and ARR to 35 to make 2MHZ timer interrupt.(72/36=2) to check it I use a variable and add it every 2,000,000 like the code below...I expect it to be added every 1s ...

Zakba.1 by Senior
  • 1217 Views
  • 4 replies
  • 0 kudos

STM32H750VBT6 ADC 4 channels using DMA

I am using stm32h750vbt6 for 4 channels adc conversion using dma, unable to do so. I have done it in stm32f407 but couldn't implement in this controller. The buffer that ive assigned to dma always says zero. I am using stm32cubemx to generate code an...

Zain by Associate III
  • 2147 Views
  • 7 replies
  • 0 kudos

Resolved! "No STM32 target found"

Hello everybody.I use the STM32F746G-DISCO board. I checked all LCD operations using TouchGFX, but at some point, nothing appears on the LCD screen even when I connect USB to the computer.When connecting using STM32CubeProgrammer, only the phrase "No...

DKim.35 by Associate II
  • 1435 Views
  • 4 replies
  • 0 kudos

Resolved! STM32H7 Memory Overlap with External QSPI

I have a QSPI Flash connected to the STM32H70 and it's all been terrific until I realised I can't address the FLASH's (a W95Qxx with 8M) full capacity with my current settings...How can I (or is it even possible to) change the memory address of the e...