STM32 MCUs Products

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STM32N6 timer One Pulse Mode with external trigger

HelloI have custom board with STM32N657. I have set timer 2 to output PWM pulse on channel3 and output compare pulse on channel 1 as trigger to another timer. The timer starts when external trigger - TIMER4_ETR (mapped to timer 2) detects rising edge...

PeterPan by Associate II
  • 46 Views
  • 0 replies
  • 0 kudos

Resolved! Using SPI with DMA

Hi All, I'm using an STM32F1 with a 240x240 LCD screen that comunicates with the micro by SPI (with DMA). The screen uses the ST7789 driver (I supose it is not important). I'm working with RGB565 color format.The problem that I have is, for example, ...

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BTurc.2 by Senior
  • 12523 Views
  • 21 replies
  • 5 kudos

ADC2 calibration

Hi,I have a problem with the ADC2 calibration on STM32H743VIT6(V). I use ADC1 and ADC2 in dual mode(Regular simultaneous mode). On some boards the ADC2 calibartion doesn't work. (The ADCAL-Bit in ADC_CR is not cleard after start).On the boards where ...

LKoe by Associate
  • 1271 Views
  • 6 replies
  • 3 kudos

Resolved! NUCLEO-N657X0-Q CSI DCMIPP UVC

I’d like to use the NUCLEO-N657X0-Q board together with the B-CAMS-IMX camera to output video to a computer as a webcam using CSI → DCMIPP → UVC.However, since all the CSI and UVC examples are provided only for the STM32N6570-DK, I’m having difficult...

silpiode by Associate II
  • 100 Views
  • 2 replies
  • 0 kudos

Resolved! STM32H563 UART DMA idle not triggering

Hello everyone,I'm working on a custom board with an STM32H563 and using CubeMX, HAL, and ThreadX.I am trying to receive variable-length UART data via DMA using HAL_UARTEx_ReceiveToIdle_DMA(). My problem is that the HAL_UARTEx_RxEventCallback never t...

kasjdlfkjsadfjl.png WhatsApp Image 2025-11-08 at 06.23.47.jpeg
mipi by Associate
  • 128 Views
  • 2 replies
  • 1 kudos

Resolved! Duplicated Virtual COM Port number on Windows

I have several an 2 F401RE boards connected to my PCs and getting data by the Virtual Communication Port.Unfortunately when installing a new board on the PC, I ve seen that my 2 boards were declared by Windows with the COM portCOM port 7, 9 and 10 ar...

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PoP by Associate II
  • 102 Views
  • 3 replies
  • 4 kudos

Resolved! STM32N6 H264 Video Encoder ASIC datasheet / manual

Hello folks,I am investigating the Video Encoder on the STM32N6 and have been working through the reference project (VENC_SDCard_ThreadX).The user manual (RM0486) is very vague on detailing the Video Encoder, and lists over 100 pages of registers whi...

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exarian by Associate III
  • 1114 Views
  • 7 replies
  • 5 kudos

Single shot timer for peripheral timeout check

Hello,I'm here on H75x. I'm looking for portable way to do a timeout check via timer.Here, I want a timeout IRQ if UART receive DMA hangs up.First I setup a OnePulse timer in Cube. It generates the following code:if (HAL_TIM_Base_Init(&htim6) != HAL_...

regjoe_0-1752772838108.png
regjoe by Senior II
  • 735 Views
  • 17 replies
  • 2 kudos

Resolved! 1.8V VDD and 3.3V VUSB

Hi,I’m using an STM32L052 with LQFP32 package, VDD = 1,8V.According to the datasheet:“VDD_USB = 1.65 to 3.6V: external power supply for USB transceiver, USB_DM (PA11) and USB_DP (PA12). To guarantee a correct voltage level for USB communication VDD_U...

amel by Associate
  • 90 Views
  • 3 replies
  • 0 kudos