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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Power on built in test for STM32F446RE

Hello,   I am using STM32F446RE in my project and as per the project requirements I need to have power on built in test, initiated built in test and continuous built in test on STM32F446RE. Please let me know how different built-in self-tests can be ...

PAcha.1 by Associate
  • 724 Views
  • 4 replies
  • 1 kudos

Resolved! Mysterious memory behaviour in simple DSP test program

Hello,I am currently developing a DSP application on an STM32F439ZI Nucleo board in combination with a Pmod I2S2 audio codec board. So far, basic testing and filtering worked fine until I started to try FFT processing. I isolated the issue in a simpl...

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JP_ama by Associate III
  • 6259 Views
  • 20 replies
  • 3 kudos

Resolved! Multiple USB virtual com port

Hi, I would like to make a serial to usb converter. The problem is that I need to make a usb-to-32 serial port converter.I've seen that there is nothing like this on the market and not even chips that do this.What I came up with, is to use STM32s to ...

FMass.1 by Associate III
  • 2001 Views
  • 2 replies
  • 0 kudos

How to write your own DAC driver in STM32?

I was using HAL Driver for DAC, however, it turned out not to be suitable for my project because at high sampling frequency, using HAL_DAC_Setvalue() inside a timer interrupt caused problem. So i need to write my own driver for DAC. But I have no ide...

RShre.2 by Associate III
  • 1803 Views
  • 22 replies
  • 0 kudos

Resolved! STM32U585 TZEN Program Error when reset command is used

Hi @channelI am using the B-U585-IOT2A board based on STM32U585 and am configuring TZEN and checking some sample programs. i am not able to reset the board either through the push button or through the software code "NVIC_System_Reset()" and when deb...

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PJose.4 by Senior
  • 1541 Views
  • 5 replies
  • 1 kudos

STM32H723ZGT6 vs STM32H743ZIT6 P2P compatibility

Hi,I am planning to replace STM32H723ZGT6 with the STM32H743ZIT6. I am interested in the following interfaces and using the respective in numbers MII/RMII(1 no.), SPI(1 no.), UART(4 no.), I2C(4 no.), QSPI(1 no.), OSPI(1 no.). Please do let me know if...

Sandeep1 by Associate II
  • 498 Views
  • 2 replies
  • 0 kudos

STM32H745 usart 3 not working

Hello, i need help with my stm32h745i-disco. I use usart3 in PB10 and PB11 (which is used for vcp by default in arduino pin) and i cannot send or receive any data using that, is there any settings should i check? im using default HAL_UART_Transmit an...

BAl K.1 by Associate III
  • 980 Views
  • 7 replies
  • 0 kudos
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