STM32 MCUs Products

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Resolved! COMP4 to TIM2 capture to TIM3 slave

My configuration is that I use TIM2 CH1 to capture the time between COMP4 edges. This works ok. Now I would like to use TIM3 to generate some ISRs on several channels, I would like to let TIM3 to reset based on TIM2 capture ch1. I set TIM2 TRGO to "u...

CyberNerd by Associate III
  • 588 Views
  • 1 replies
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Resolved! STM32F4 microcontroller: instructions cycle number

I'm working with an STM32F4 microcontroller, a ChipWhisperer, and the SimpleSerial library, trying to track the execution of instructions. During this process, I noticed that the number of CPU cycles I measured doesn't match what I expected based on ...

Resolved! IWDG minimum reload in STM32L452

Hello community!I'm working with the independent watchdog with a STM32L452 MCU in the Nucleo-L452RE board and I'm facing a problem trying to set low values in the reload register. When I try to set the reload register to values lower than 5 cycles (I...

miguelvp by Associate
  • 1530 Views
  • 4 replies
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BKIN input for multiple fault events

Hi As i am using one of TIM8 input for external BKIN pin, to detect fault for PWM shutdwon.But How to prevent this on multiple fault events.Like any cycle by cycle protection is there.

sag by Associate III
  • 336 Views
  • 0 replies
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RTC oscillator STM32F407

Hello,I am using a CC4V-T1A-32.768KHZ-12.5PF-20PPM-TA-QC crystal with 22pF caps on a STM32F407ZGT6.problem with some devices the crystal does not oscillate.could the crystal or the capacitors be wrongly designed?What can we change?Thanks for your hel...

Michael99 by Associate II
  • 1666 Views
  • 8 replies
  • 0 kudos

generate timer interrupt at CNT value

Hello,is there a way to generate a timer interrupt at a certain CNT value? I have not found anything about this.And if this is possible, is it also possible to change this value on the fly?Thank you!

Rafael1 by Associate
  • 525 Views
  • 1 replies
  • 0 kudos