STM32 MCUs Products

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STM32H743 problem with sdcard clock

Hey,I have a chinese STM32H743 Board, with a 25Mhz Clock Source and sdcard 3.3V VDD.my clock settings:my SDMMC1 config:static void MX_SDMMC1_SD_Init(void) { /* USER CODE BEGIN SDMMC1_Init 0 */ /* USER CODE END SDMMC1_Init 0 */ /* USER CODE B...

clock1.png clock2.png
Sany by Associate III
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  • 3 replies
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Boot from the bootloader with nucleo h7s3l8

Hi all, I am using the NUCLEO-H7S3L8 board, and trying to boot MCU from the bootloader.Based on the reference manual, the conditions for that at the MCU reset :PRODUCT_STATE = OpenNVSTATE = OPENBOOT0 = HighI checked PRODUCT_STATE = Open at the option...

Daewoong by Associate II
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  • 4 replies
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What is the VBAT function?

If the PDR_ON connector is connected to the GND, the VBAT function may not be available.What is the VBAT function?To use RTC, a coin cell is connected to the VBAT connector. Is there a problem if the PDR_ON connector is connected to the GND?I am usin...

Kazuhiro by Associate II
  • 419 Views
  • 4 replies
  • 3 kudos

STM32H753 - LSE Drive Strength and GPIO Speed

Hi Team, We are using the STM32H753 in our design.For the signal quality, we are adjusting the LSE drive strength.Below are the four options available in drive strength,low drivemedium low drivemedium high drivehigh driveKindly let us know drive curr...

SAI Problems in slave receiver mode

Hello,I am trying to read sample from a AD7768 using a STM32F767. The data is feed to the SAI peripheral at 8Mhz. I used this code https://github.com/pavel-demin/stm32f7-discovery-usb-headset/blob/master/Drivers/BSP/STM32746G-Discovery/stm32746g_disc...

mickael2 by Associate II
  • 2499 Views
  • 3 replies
  • 1 kudos