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

How to synchronise DMA GPIO read/write with EXTI

Core : STM32H743Z , STM32H753V, STM32H750 @ 480MHzExternal Sync Clock (as EXTI0): 10MhzI tried to read/write GPIO ports with TIM2_UP and TIM3_UP events, in sync with an external clock.  Data transfer (both in and out) is taking place, but not synchro...

Need suggestion on generating PWM waveform

Hi AllI have a digital power converter topology (H-bridge) which requires waveform to look like the following:As can be seen in the above, complementary waveform is being sent on bottom 2 channel in 1st 10ms and then they are being in the IDLE state ...

sanmveg_0-1748619329147.png
sanmveg by Visitor
  • 81 Views
  • 3 replies
  • 0 kudos

Resolved! STM32N647A0 pin mapping

Hello All,While working on a design i was stuck in a point where in i have to map PSRAM pins --> FMC_clk on a port of MCU(STM32N647A0) which is available on PC10 but it is conflicting with SPI3_SCK.Please anyone can suggest solution on this. My desig...

sakshi by Associate II
  • 36 Views
  • 2 replies
  • 0 kudos

STM32F072XXXX USB DFU Issue

Hello everyone, I have been researching and developing the stm32f072c8t6-based development board for about a few months without any converter or St-link programmer products, so I am choosing USB line products specifically.But there is a problem that ...

Screenshot 2025-05-30 182452.png
Beta by Visitor
  • 113 Views
  • 4 replies
  • 0 kudos

Capacitor for VREF pin on SMT32L4P5CG MCU

Hi, I´m beginner in SMT32 MCU design, I´m doing a design for the above MCU and in the document "AN4555" that is for hardware develoment of these MCU series I founf that So for my package (64 pins) the VREF and the VDDA power signals are bounded insid...

Aldo_Flores_Aguayo_0-1748633646547.png

Using USB FS with STM32F412REY6TR at 1.8VDC

Reading through the initial datasheet for this part I thought we could get away with using the USB_FS_VBUS as the VDDUSB pin as I didn't see a dedicated pin for the VBUS. It is now becoming apparent that this was misguided. Are there anyways to bring...

bwefers by Associate
  • 58 Views
  • 1 replies
  • 0 kudos