STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32H7 - USB High Speed - External Phy

I'm using an STM32H750 MCU to run an application that communicates with a computer via USB in CDC ACM mode. The application uses USBX from Eclipse ThreadX and an external USB PHY (USB3300) to perform high-speed communication. My application works fin...

Resolved! How to identify information printed on STM32F407IGT6 chips?

I have two STM32F407IGT6 chips, and I need help understanding the markings printed on their surfaces.Images attached:First chip: "STM32F407IGT6 AA295 VQ 6 TWN AA 342"Second chip: "STM32F407IGT6 VQ249473 AA297 TWN AA 318"I would like to know:What each...

Muk_0-1732272258299.png Muk_1-1732272261127.png
Muk by Associate II
  • 930 Views
  • 4 replies
  • 1 kudos

Timer/Usart priority problem

While testing the Blackpill Timers and Usarts I came across this problem. If I set for example 6 timer channels using two timers. (In my case Tim2 and Tim3 and Usart1. If I set all six channels to PWM generation, I find it difficult to dynamically re...

techdesk by Associate III
  • 798 Views
  • 4 replies
  • 0 kudos

Resolved! Pushbutton causing multiple ISR flags (EXT-> PR) to set??

So I have three switches (nothing special just momentary push button) wired into the board PC2, PC3 and PA4. All are using internal pullups. PC2 and PC3 are set for rising / falling trigger IRQs and PA4 is set for falling IRQ. They all have their own...

SWenn1_0-1732482589937.png
SWenn.1 by Senior III
  • 1444 Views
  • 10 replies
  • 0 kudos

Odd Behavior of TIM2 PWM Output on STM32U073

In a system using FreeRTOS, there are currently two timers: TIM6 (the timer used by FreeRTOS) and TIM3 (a general-purpose timer). I am not experiencing any issues with these timers, and I can successfully run functions like interrupts. However, whene...

muratsimsek_0-1732537382675.png