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Forum Posts

Resolved! USB pins are very vulnerable to ESD events on STM32U595

Hello, ST experts It is found that PA12&PA11(USB_D+&USB_D-) are vulnerable to ESD events. In our design the two pins are exposed as external contact point in the shell. Even external ESD diodes(e.g. PESD2USB3UV) are used to protect these pins, 8kV ES...

Yang Yang by Associate III
  • 137 Views
  • 5 replies
  • 2 kudos

USART display error on STM32 NUCLEO H533RE

Hi, i'm currently beginning to create my own RTOS (on bare metal) for my NUCLEO H533RE.My source code is available here : https://github.com/Rav3nPho3nix/Rav3nTOSHere is my issue : i'm trying to implement USART 2 for my board to have a "print" tool. ...

How to flash a brand-new STM32N657XOH3Q ?

I have two STM32N657X0H3Q microcontroller chips on hand but have no idea how to get started. I have successfully compiled, flashed and run the target program on an official development board equipped with this MCU and achieved the expected functions....

STM32L562QEI6 doesn't boot on board power up

Hello all,I have got a custom designed board using STM32L562QEI6, in which the MCU doesn't boot up upon powering up the board. However, upon pulling the NRST pin low manually and then releasing it, the MCU does power up. I have checked the voltages b...

Weird behaviour on PWM outputs

I'm working on a device with an STM32L072CZT. It uses Channels 1, 3, and 4 of TIM2 to generate PWM signals that control LED drivers. The LEDs blink in predetermined patterns, so the PWM is periodically switched on and off, using LL_TIM_CC_EnableChann...

RobK1 by Senior II
  • 100 Views
  • 3 replies
  • 0 kudos

Resolved! STM32F405RGT6 and STM32H743VGT6 FIT rates (MTBF)

Dear ST Support Team,I am working on a reliability calculation for an industrial hardware design. I need the official failure rate data for the following components:STM32F405RGT6: FIT rates or MTBF, and failure mode or FMECA report.STM32H743VGT6:  FI...

fusliang by Associate II
  • 202 Views
  • 3 replies
  • 2 kudos
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