STM32 MCUs Products

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STM32L432KBU6TR SPI 16 bit mode issue

STM32L432KBU6 L432 chip, spi3, 16bit mode, 20M baud rate, spi output sclk is 16 cycles when it is powered on again after working for a period of time. Sometimes 15 cycles, sometimes 17 cycles, sometimes 16 cycles are output again. This will help conf...

Pinglei by Associate II
  • 255 Views
  • 3 replies
  • 1 kudos

Resolved! SMPS Configuration for STM32H7

I've designed a custom board using the STM32H747I MCU, following the STM32H747I-DISCO reference design. In my design, I've connected VLXSMPS to VDDLDO, similar to the reference design. I'm currently setting up the power configuration in STM32CubeIDE ...

KAnahar by Associate III
  • 469 Views
  • 6 replies
  • 0 kudos

Resolved! STM32F407 Discovery Board UART1 not working

I'm having the same problem on 2 different boards. I gen'd up a simple program using CubeMX and I'm only sending some data to both ports at the same time: void StartTask02(void const * argument) { /* USER CODE BEGIN StartTask02 */ /* Infinite loo...

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Resolved! SDMMC2 on STM32H755 Nucleo PB14 Reserved

Hi folks,I have SDMMC1 working on CM7 on my H755 Nucleo. Now I want to migrate FAT-FS and the uSD to CM4, in which case I think I should switch to the SDMMC2 peripheral since it's in D2 domain along with CM4.I have a some questions about this and wou...

bramble by Senior
  • 369 Views
  • 1 replies
  • 1 kudos

USB trace impedance for STM32H725

I am laying out a USB for a STM32H725. I would like clarification on something out of the datasheet (DS13311).Note 2 under table 118 states: No external termination series resistors are required on USB_DP (D+) and USB_DM(D-); the matching impedance i...

VIR by Associate
  • 252 Views
  • 1 replies
  • 0 kudos

NUCLEO-H7S3L8 USB-HS & XSPI problems

  I have several problems with the NUCLEO-H7S3L8 board   1) When initializing the USB - HS peripherals, I getting stuck in the "USB_CoreReset" function: Related problem and after some time when (count > HAL_USB_TIMEOUT) the program goes to Error_Han...

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Resolved! STM32U585 MPU cacheability?

I am using an STM32U585QI.  I have some memory mapped PSRAM that I'm using.  I have enabled DCACHE, but do I have to manually do something with the MPU for it to cache memory accesses to/from the memory?  The reference manual says:"In addition, the A...

BDoon.1 by Associate III
  • 228 Views
  • 1 replies
  • 1 kudos

Resolved! Choosing a product

Hi, I find the search system on the ST website to be lacking. There are a lot of parameters I can't search for/filter by. Is there an ST e-mail / form contact I can use to ask for help? If anyone here can help, I'll try to describe what I am looking ...

kasper8 by Associate
  • 257 Views
  • 1 replies
  • 0 kudos