STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Some I3C Speed Rates are not available?

Hi,I am working with  STM32H5RBT6U:How do I calculate the frequency of the I3C Controller? Is there documentation to cover the content?I tried using CubeMX to set the frequency, but strangely, all the frequencies work fine except 3~5MHz. The exceptio...

taylor_quan_1-1697423865215.png taylor_quan_0-1697423823825.png taylor_quan_3-1697424211112.jpeg

Resolved! RTC Alarm EventCallback called only 1 time

Working with the RTC I'm having some issue with the callback only being called a single time. void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc) { RTC_AlarmTypeDef sAlarm; uint32_t hobb_time; __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_AL...

Square wave of 2, 4, 8 Mhz generation.

Posted on January 09, 2015 at 16:49Hi I'm a newbie to stm32 , I have a STM32F4 Discovery board with me. So what I want to do is to generate 2Mhz,4Mhz,8Mhz square wave  on any of the Pins on the Header. Can you please provide some sample code for th...

STM32H7 - Unable to use PA15 as GPIO output pin

I'm using an STM32H725ZE chip. I know that PA15 defaults to JTAG pin JTDI, but the datasheet for the part specifically says this:In SW-DP mode, the unused JTAG lines JTDI, JTDO and nJTRST can be used for otherfunctions.I'm in SWD mode because it's a ...

FredB by Associate II
  • 1652 Views
  • 5 replies
  • 0 kudos

Cant access RTC coming out of standby mode

Hi  I am programming a STM32L433 and have the processor wakeup from Standby mode. The first thing it does after wakeup is check the cause of the wakeup, and if RTC increase the time, do a few readings and go back into Standby mode. When I am running ...

Resolved! Interrupt routine not calling in LPTIMER of STM32H735VGH

In LPLTIM_IER register, the ARRMIE bit is SET by software and LPTIM_ISR register the bit ARRM bit is SET by hardware but this LPTIM4_IRQHandler() function is not calling. what might be the reason of not calling this function LPTIM4_IRQHandler() ?

Pavani by Associate II
  • 1433 Views
  • 2 replies
  • 0 kudos