STM32 MCUs Products

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Forum Posts

PLL Jitter [STM32H743XGH6]

I have a question regarding internal PLLs.I would like to know the jitter of the PLL in the STM32H743XGH6.I could not find a PLL Characteristics table that would have the answer I want to know. I have seen posts about jitter in various other PLLs.How...

NiM by Associate III
  • 84 Views
  • 1 replies
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Resolved! Issue with STM32H747XIH6 Internal SMPS Bring-Up

Dear Sir,We are facing an issue while bringing up the STM32 microcontroller (part number: STM32H747XIH6) using the internal SMPS.When we power the MCU through the LDO path, everything works fine, and we are able to connect to the STM32 via JTAG. Howe...

Samudra by Associate II
  • 105 Views
  • 1 replies
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STM32H747 with OV5460 low frame rate

I am using STM32H747 MCU with OV5460 camera. The FPS i got from the camera is around12-13 fps is that any method to increase the frame rate.I tried by increase PLL clock but there is no image received.Thanks

KHowe by Associate II
  • 67 Views
  • 1 replies
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Resolved! DMA Transfer Error for GPIO on STM32G031

I am trying to periodically transfer data to the first byte of GPIOA (PA0-PA7) using DMA Channel 1 and TIMER1, but am hitting a transfer error immediately after enabling the DMA channel for transferring. * I can write to GPIOA->ODR using the CPU and ...

RTC as wakeup-source on C0 family

Hello, I have found various guides on how to configure the RTC as wakeup-source. However, they do not seem to apply to the C0 family.In the CubeIDE I cannot find the depicted settings on RTC, (most notably, no option to select internal wakeup and con...

Panda by Associate III
  • 111 Views
  • 3 replies
  • 1 kudos

Array of PDM microphones best bus interface

Hello,I would like to design a microphone array with up to 16 microphones. I want to use the stm32h7a3zi board which has a lot of peripherals.I was looking at the DFSDM interface, but with only 8 channels / 8 filters up to 8 pdm microphones can be ha...

frnt by Senior
  • 1099 Views
  • 1 replies
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STM32H563 ADC Oddity

Hello,Im working on a program which sends data from the ADC to the computer. My problem is that the data from my STM32H563ZIT6 is bad. I first noticed this from looking at the data sent from the computer and confirmed this by outputting the ADC data ...

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tw1 by Associate II
  • 202 Views
  • 3 replies
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Questions on calculating DMA latency on STM32H7 chips

I found an application note which goes in depth on DMA transfer speeds and clocking for F7 chips, but haven't been able to find anything similar for H7 chips. I have a few questions:How are each of the DMA controllers clocked on an H7xx chip? My assu...

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BenDDMC by Associate
  • 110 Views
  • 2 replies
  • 0 kudos