STM32 MCUs Products

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STM32L4 TIM+ADC+DMA overrun

Hello!I have a custom board with NAND flash connected. One of the DMA channels is used during write operations to move data from RAM to FMC buffer (mem-to-mem mode). The channel has low priority so theoretically it shouldn't interfere with other chan...

Alekseus by Associate III
  • 597 Views
  • 6 replies
  • 1 kudos

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
  • 417 Views
  • 1 replies
  • 0 kudos

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 ...

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
  • 1436 Views
  • 1 replies
  • 0 kudos

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
  • 423 Views
  • 3 replies
  • 0 kudos

Resolved! 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...

BenDDMC_0-1749497064185.png
BenDDMC by Associate
  • 459 Views
  • 2 replies
  • 0 kudos