STM32 MCUs Products

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STM32H7 SDMMC ACMD51

Hello,I'm migrating the code from stm32f4 to stm32h7 and stuck with SDMMC ACMD51 command. This command reads SD configuration register via data lines (8 bytes total).Is there is any way to configure this request to set DBCKCEND flag when it receives ...

AShir.10 by Associate II
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  • 1 replies
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Resolved! STM32F417VGT VCAP Voltage Problem

Hi everyone!I am having a hard time making my design work.I prepared a long list of what I did and what I observed to paste into ChatGPT.I am pasting the exact text below:I designed an digital circuit using STM32F417VGT microcontroller.I applied 3.3V...

SalihKun by Associate II
  • 3518 Views
  • 12 replies
  • 5 kudos

emmc interfacing with NUCLEO board

I’m interfacing the STM32H755ZI-Q Nucleo board with an MTFC8GAMALNA-AAT eMMC. What configurations are necessary for this interfacing? I’m also getting warnings in the RCC configurations. Could you guide me on the settings needed for SDMMC1 and FATFS,...

sai1 by Associate II
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Resolved! Questions about SPI6 and BDMA

We are trying to transmit data using SPI6 and BDMA.When we perform the following process, we are able to transmit 1 byte + 1 bit of data, but after that, MISO outputs High no matter what the value of the transmitted data is. What is wrong with this? ...

Resolved! Ext. Interrupt conflict on STM32H7 ?

Hello, I'm using H723 Nucleo. I set 5 ext interrupt pins: PA0, PA1, PA4, PC2_C, and PC13 as EXTI to 5 switches, enabled NVIC interrupt, GPIO pull-up,  interrupt with rising edge triggered, and tied these 5 pins to switches with the other end to groun...