STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! G070CBT6 Strange issue with reset line falling down...

Hi, I'm facing a very strange issue with my G070CBT6-based board... When I start work and power up the board everything works fine for a couple of minutes (let's say 5 minutes ) but later I can observe some disturbances on the reset pin... I connect ...

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MKowalski by Associate II
  • 623 Views
  • 20 replies
  • 1 kudos

Resolved! Nucleo-H723ZG Ethernet implemntaion

hi,    I'm new to STM32 and I need assistance with Ethernet configuration on the Nucleo-H7Z3G board. I'm starting from the beginning and hence I want to achieve the following: 1. Configuration of the Ethernet interface: RMII/MII on Nucleo-H7Z3G 2. Co...

Resolved! 16bit @ RGB565 LTDC Display

Hi,I am trying to connect 24bit RGB 480x272 display with stm32h723zgt6 but i have pin shortage due to many pin assigned for other purpose  and earlier i used FSMC 16bit RGB  display .16bit @ RGB565 LTDC Display mainly i  need to have lower memory con...

MMARI.1 by Senior
  • 268 Views
  • 3 replies
  • 0 kudos

STM32H533 Cannot identify the device

Hello,I've designed my own PCB using the STM32H533CET6 microcontroller. However, when I try to connect to it using an ST-Link V2 via SWD, STM32Cube Programmer gives me the error: "Cannot identify the device".I've already tried connecting under reset ...

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Szerev by Associate
  • 153 Views
  • 2 replies
  • 0 kudos

STM32H5 bus fault writing DBGMCU_APB1FZR1_DBG_IWDG_STOP

Today, I suddenly experienced a bus fault on my stm32h563 which I traced down toDBGMCU->APB1FZR1 |= DBGMCU_APB1FZR1_DBG_IWDG_STOP;which I use to configure the watchdog to stop when the core has been halted by the debugger. fault status registers:SCB-...

PieterG by Associate III
  • 199 Views
  • 2 replies
  • 0 kudos

Resolved! Virtual Port over Bluetooth

Hello,I have successfully setup a virtual port and communicate from WebUSB/WebSerial and plain serial ports with my STM32F373.  I'm now looking to implement Bluetooth to eliminate the need for a USB cable.  What is the simplest way to add a bluetooth...

LMorr.3 by Senior II
  • 233 Views
  • 4 replies
  • 3 kudos

PWM generation at very low Duty-cycle

Hello ,  I am using the STM32G0C1RET6 MCU and want to generate the frequency in between 20Khz to 200Khz, with dutycyle in between 1 to 100%, but frequency below 10 percent is not generating, as my CCR value gets 0, due to low ARR value. Am I going in...

Rohit007 by Associate III
  • 224 Views
  • 5 replies
  • 0 kudos

Resolved! STM32H5x and SPI DMA Transfer issue

Hi,I'm trying to use SPI Tx DMA transfer on a Nucleo STM32H563ZI board connected to a LCD module that works on 3wire spi, so just 1Tx line. I know the SPI configuration and code for the LCD driver is OK because everything works if I run in interrupt ...

margce by Associate III
  • 1009 Views
  • 2 replies
  • 0 kudos