STM32 MCUs Products

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Forum Posts

STM32H743 general VLAN handling not working as described

I am currently implementing a Profinet protocol on the STM32H743 which needs VLAN information in some packet types. Since the VLAN tags are already generated by the software for transmit packets I tried to get these tags passed through the Ethernet M...

JMH by Associate II
  • 3867 Views
  • 2 replies
  • 2 kudos

Resolved! Nucleo-H755ZI-Q not detected by usb

Hi thereI bought two Nucleo-H755ZI-Q (NUH755ZIQ$AT3) boards.Non of them show up as USB devices on either of my computers.I have tried connecting through the IDE 1.13.1; STLinkUpgrade  3.12.3 and the newest cubeprogrammer. neither can find the device....

JOKH by Associate
  • 4968 Views
  • 3 replies
  • 2 kudos

STM32H745 LTDC Interface

Dear STM community,We are using a STM32H745 microcontroller interface with 1280 x800 TFT lvds display.RGB data from controller LTDC data convert through SN75LVDS83 ic and LVDS data fed to tft display.we are facing a issue in pixel format which is not...

D6 by Associate
  • 1294 Views
  • 1 replies
  • 0 kudos

STM32 with usb HUB and multiple STM32 devices

Hi,I been trying to set up a stm32F405 mcu usb host with a hub onto which 4x stm32 device is connected. I would use these 4 devices to send data to the main mcu periodicaly at 50Hz, and to have the data transfer syncronised from the 4 devices to be o...

RBacs.1 by Associate II
  • 9758 Views
  • 10 replies
  • 0 kudos

MCU is reset when wake up from standby-dstandby

We are working with STM32H7-Disco (Dual Core). Can we only wakeup M4 core and put the system in dstandby1 mode.I mean, if we are in Standby mode and we use a tamper interrupt from a button, our system reset M7 core and M4 core, but we want only wakeu...

CBraojos by Associate II
  • 1941 Views
  • 6 replies
  • 0 kudos

Resolved! stm32h747-disco BSP problems

Hello;I have the STM32H747I-DISCO card CPN: STM32H747I-DISCO, FG: DK32H747/SAT1, and on the MB1166-A03 screen A225300631. The problem is when I try to test the card with the BSP example, I encounter the following problem:I saw in the forums regarding...

Kfell1_0-1694361566801.png
Kfell.1 by Associate III
  • 7434 Views
  • 18 replies
  • 0 kudos