STM32 MCUs Products

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Two phase-shifted PUSH-PULL using HRTIM.

Hello! I am trying to implement a phase-shifting full bridge on the STM32F334 microcontroller using HRTIM. Two PUSH-PULL outputs and a phase shift between them, this is necessary for the LLC converter.I configured the master timer as an event source ...

APota.1 by Associate
  • 920 Views
  • 1 replies
  • 0 kudos

Open bootloader for STM32H747 on USART

I want to use open bootloader on STM32H747 controller. I found that ST provides support for STM32H5 but not STM32H747. Can I use it for STM32H747? How can I port to my target controller?  

abasit by Associate
  • 151 Views
  • 1 replies
  • 1 kudos

PWM with shift phase and dead time, how to.

Hi,I am using the STM32G474 with HRTIM for the propose and also STM32CubeIDE.Is there any specific guide to make a four outputs (90 grades) PWM with dead time?The duty cycle must be changeable as well.I already read the relevant reference manual and ...

DKuro.1 by Associate III
  • 588 Views
  • 1 replies
  • 1 kudos

Resolved! STM32H533 ADC VDDA, VREF+ and input voltage range

I'm a little confused about the descriptions of the ADC VDDA, VREF+ and input voltage range.Do I understand it correctly thatVDD is the device supplyVDDA is the ADC supplyVREF+ is the ADC referenceIt says VREF+ can be supplied internally as 1.8 V, 2....

thansen by Associate III
  • 343 Views
  • 2 replies
  • 1 kudos

STM32 NRST line

Hi,We are using STM32L452 for our project.We have problem with pin NRST.We set a 30K pull-up resistor (with pull-down capacitor of 0.1uF).Sometime voltage on the NRST pin is 3.3V and sometimes it is 1.4V.In cases it is 1.4V the MCU is stuck.We think ...

Ofer by Associate III
  • 6328 Views
  • 11 replies
  • 3 kudos

STM32L073 LCD Controller

Just getting started with this uC and the ST toolset. I am trying to initialize the LCD controller but the init fails at:if (HAL_LCD_Init(&hlcd) != HAL_OK) {  Error_Handler(); }More specifically it times out at:  /*!< Wait Until the LCD Booster is re...

RSoen.1 by Associate III
  • 1279 Views
  • 6 replies
  • 1 kudos

Resolved! STM32H7 HW CS unexpected set inactive during SPI transfer

Hello,I'm using the HAL_SPI_TransmitReceive() to communicate to a NOR flash via single SPI in polling mode using HW CS. I'm on H753 Rev.V silicon using the latest HAL library.I checked out the SS output management in master mode (SSOM=1) but made str...

SPI_HWCS_12.5MHz.png SPI_HWCS_25MHz.png RM433_figure620.png SPI_HWCS_CFG2.png
regjoe by Senior
  • 262 Views
  • 1 replies
  • 0 kudos