STM32 MCUs Products

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Forum Posts

STM32L433RB: COMP2_OUT has no impact on TIM1 PWM output

Hello,I'm working with STM32L433RB.I would like to, in TIMER1, use COMP2_OUT to as the ETR, to make time-shifting of a PWM output signal.The setting of TIM1 registers are as the following:   TIM1->CR1 = 0; // disable TIM1   TIM1->PSC = 9 - 1;   TIM1-...

How to push device in boot mode from User application

Hi,I am working on STM32L072CZY3TR controller. i performed the dfu using boot switch on the device but my requirement is to perform DFU on my device without using boot switch and enter in to boot mode from user application.is it possible from user a...

BChav.1 by Associate III
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  • 8 replies
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About Viewing source code of libraries used

I am using STM32L4 series microcontroller. I am debugging some code which uses standard C lib function fopen() and fread(). The code can be compiled and has no errors. For some reason fopen() function is returning NULL pointer when used. I wanted to ...

SSrid.1 by Associate
  • 854 Views
  • 3 replies
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Resolved! STM32F103 RTC calibration issue

Hi,I'm trying to calibrate my RTC by writing on the RTCCR register on an STM32F103 MCU. However, it seems like this is not taken into account as the 512Hz signal is still slightly out.I'm using the following code:PWR-> CR |= PWR_CR_DBP; // Allow acce...

LRegn.11 by Associate II
  • 1124 Views
  • 2 replies
  • 0 kudos