STM32 MCUs Products

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Forum Posts

Sampling PWM pulse

Hello,In my project I need to sample single PWM pulse with ADC (Current and Voltage). I'm using STM32L451CCU.I have configured timer 15 to produce PWM signal with channel 1 and used channel 2 as the clock source for triggering timer 2 through ETR1 , ...

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H7A3 HSE crystal choice

I'm going way out on a limb and designing a small uController board based on the STM32H7A3. I've been prototyping the software for a while now on a STM32 Nucleo H7A3 and a STM32 H7B3 Disco board. The Nucleo board uses the 64 Mhz HSI clock but calls...

magene by Senior II
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  • 2 replies
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Resolved! very strange STM32F40x RTC issue

I have a very strange issue with an STM32F405RG/407VG regarding the RTC: it only works, when I am in debugging mode and add the “hrtc�? struct into live expression and the instance handle is open!My code is pretty simple: I have 2 globals:RTC_TimeTyp...

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CBerg by Senior II
  • 902 Views
  • 3 replies
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HAL-Lib MPU Configuration Question

Hello,I would like to know if there is a possibility to readback the MPU confiugration for each configured region? HAL only provides a setter function. If I take a look into the internal implementation, it seems that regions get overwritten, when I ...

Floki.1 by Associate II
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  • 0 replies
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STM32H745I-Disco PWM Input Frequency Not detecting

Hi, I am trying to detect a 3v PWM frequency with my STM32, I have my live expresions setup for my variables, but the values do not budge from 0. Im sure it is something up with my code. Any help would be appreciated cheers.

CChri.5 by Associate III
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  • 6 replies
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3-Wire SPI to demo board not working?

Good afternoon.I have configured SPI2 on STM32L476RG as Master Half Duplex, clock = 4MHz, CPOL = 1, CPHA = Edge 2. I am connected to a Pololu 2736 demo board (LSM6DS33). The timing diagram for the part shows resting clock as high (CPOL = 1) and MIS...

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SWenn.1 by Senior III
  • 464 Views
  • 1 replies
  • 0 kudos