STM32 MCUs Products

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Resolved! Unable to set two PWMs to a fixed phase difference

Hi,I am trying to set up two timers so that they generate a PWM with the second timer being 1/4 phase past the first one. I am using an STM32F446.I have the second set up as slave and triggered by the OCREF2 of timer 1, this should then generate a re...

0693W00000QKxDDQA1.png 0693W00000QKxDXQA1.png 0693W00000QKxEGQA1.png

STM33H733 + SDRAM?

Good morning everyone,Sorry for the (maybe) silly question. For a new design we would like to exploit the STM32H733ZG microcontroller. From its datasheet it seems that it supports a 16-bit SDRAM, and for our application it should be at least 16 MB la...

eravi.1 by Associate
  • 859 Views
  • 2 replies
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5V parasite power supply and 3V3 MCU

I have a requirement to use DS1820 temperature sensor in parasite mode, that needs 5V power supply (2 wires only) and STM32 MCU.It works with 3V3 power supply, but there is increased measurement time, and it stops working over like 80°C.I guess durin...

HTD by Senior III
  • 1607 Views
  • 7 replies
  • 0 kudos

Selecting a Suitable Ultra-Low Power MCU

Hello, I am using a Power Management IC with Digital output supply specifications in my project with very low power. The average digital outputs are: 1.8V, 85uA, 150 uW.I am struggling to find a suitable low power MCU. Any suggestions?For example, I ...

MTaj-.2 by Associate
  • 3746 Views
  • 3 replies
  • 0 kudos

Timers first pulse is different and timers not in sync

Hi,I have spent a few days trying to get the timers in sync, that is use one timer with multiple outputs; oc,PWM,base. I am generating a 1MHz clock for an external device. And then a start pulse. When the timer overflows ADC starts. It needs to be ex...

DWuje.1 by Associate II
  • 781 Views
  • 1 replies
  • 0 kudos

USART receive break and reset mcu

Hello,I use STM32G0 and USART2 in IT mode or DMA mode.When the mcu receive a break command on uart line, he reset after entering on the IRQ handler.Have you an idea ?Regards

tvill.1 by Associate II
  • 7401 Views
  • 18 replies
  • 0 kudos