STM32 MCUs Products

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STMu545 USB Host - Only getting NAKs on setup packet

Hey!I'm working on implementing USB host functionality on the STM32U545 using the USB_DRD_FS peripheral. I've got the basic structure working, but I'm stuck at the enumeration stage, where the device responds with NAK to SETUP packets and enumeration...

bartosz_ by Associate II
  • 90 Views
  • 0 replies
  • 0 kudos

Resolved! Simultaneous EXTI and timer interrupt configuration

On the STM32F303K8, is it possible to configure e.g. PA8 to both receive an EXTI interrupt on falling edge and act as the TIM1CH1 input to trigger source TI1FP1, in turn serving as a timer gate for gated mode? I cannot find a way to express this thro...

avidroneg by Associate III
  • 353 Views
  • 7 replies
  • 8 kudos

Resolved! STM32H7 dual flash bank

Hi i am working on a project with STM32H7A3VGT6 chipset which has LTDC controller. my goal is to make a LVGL based UI with SquareLine Studio and interface a 24 bit parallel RGB display with it . so i have made a UI using SquareLine Studio and importe...

b1aze_0-1762245597758.png
b1aze by Associate II
  • 231 Views
  • 7 replies
  • 2 kudos

Resolved! STM32H753XI-EVAL DAC Channel 2 on PA5 not working

Post edited by ST moderator to be inline with the community rules for the code sharing. In next time please use </> button to paste your code. Please read this post: How to insert source code.Hi,I am new to STM32 and I have to do a data acquisition b...

HugoSTM32 by Associate III
  • 269 Views
  • 2 replies
  • 2 kudos

Resolved! STM32H573 (68-pin): ROM DFU asserts D+ without VBUS

Hello all,I’m hitting a USB edge case on an STM32H573 in the 68-pin package (no VBUS sense pin, no VDDUSB domain).My setup (works fine in application):The product is self-powered (3V3 is always on). Because the package has no VBUS_SNS, I detect bus p...

NirAlon by Associate III
  • 127 Views
  • 1 replies
  • 0 kudos

STM32H5 LPTIM PWM with DMA (BREQ = 1) undocumented

Hi,I want to use LPTIMx to output a PWM signal that changes duty cycle on each period with DMA. The HAL driver implementation for LPTIM PWM is completely wrong, so I tried to find out how to do this from TRM etc.LPTIMx has 3 DMA request events:2xCCRx...

CClau1_0-1761408901003.png
CClau.1 by Associate II
  • 233 Views
  • 2 replies
  • 0 kudos

TSOVF not set in VBat mode ?

Hi I'm playing around with the RTC & tamper peripherals of the NUCLEO-H7S3L8. I'm wondering if the TSOVF can be set when multiple tampering are detected in VBat mode ? If I'm not mistaken, the RM doesn't say anything against it. However, using the RT...

Tahm_A by Associate II
  • 198 Views
  • 2 replies
  • 0 kudos

STM32H7 ADC dual mode simultanious mode problem

Hello,I am working with STM32H743, using ADC1 and 2 in dual simultanious mode, using DMA to store data from ADC_CDR (2 16 bit values) to memory, some hundred values in a stream in continuous mode. This works fine in general but I frequently see a mi...