STM32 MCUs Products

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RCC_CR.HSEBYP not reset by Software Reset

Experimenting with STM32F427 and STM32F446 I found out, that the RCC_CR.HSEBYP bit is *not* reset by Software reset. It is reset only by NRST and Power-On reset.While applications where this could lead to problems (i.e. where HSE clock source is chan...

STM32H743 as USB Host stops communicating

Hello, I have a problem that I am having a hard time figuring out.My project is using an STM32H743 as a USB host on a custom PCB. Both OTG_HS and OTG_FS ports are connected to different devices. OTG_HS is using the internal PHY and operating at full-...

Resolved! Ruling out fake STM32G474s

Hi,I'm facing some issues with some STM32G474RET6s, and want to rule out counterfeit chips, even if that seems unlikely.After googling for some solutions, I confirmed the AP IDR register and the DBGMCU_IDCODE both hold a revision ID of 3, which I exp...

stm32.jpg abond_2-1755301541101.png
abond by Associate
  • 706 Views
  • 8 replies
  • 2 kudos

USB mass storage error on STM32H7 core M4

Dear all, i have a problem with my custom board based on STM32H745.I need to use core M4 with USB_HS host with mass storage class (a pen drive) at 12Mbit full speed (internal Phy transceiver).I have configured the processor as per attached file (core...

Resolved! RTC not working on Vbat

Hi everyone,I am using a STM32H563RG and I need the RTC to work even if the VDD is powered off. To do that, I am plugging a battery on the VBAT pin to power the RTC and the Backup domain. But I tested it and it seems the RTC is stopped and the backup...

Karakala by Associate II
  • 237 Views
  • 10 replies
  • 6 kudos

No USB data using X-NUCLEO-53L8-A1 with a Nucleo Board

Hello,  I try to get data from a X-NUCLEO-53L8-A1 board connected to a Nucleo board and visualize it in my computer. If I use the VL53L8CX Gui and connect my COM port and click on the start button, it is working well. However, I would like to get dat...

thogat by Associate
  • 200 Views
  • 3 replies
  • 0 kudos