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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
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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
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Resolved! How to configure abd read data with STWIN.box

Hello ,I recently bought the STWIN.box core system board (STEVAL-STWBXCS1), so I don't know everything about it. I would like to carry out a predictive maintenance project. I followed the steps below:1- flash the binary file with STM32CubeProgrammer2...

AkaPaDa_18_0-1694676545454.png AkaPaDa_18_1-1694676590371.png

Disabling the interrupt

I have enabled two interrupts. First one is EXTI  for GPIOA0 Pin and another is UART3 for RXCALLBACK.I want to disable EXTI interrupt when UART interrupt is triggered and enable again EXTI interrupt once the task is completed.I used __disable_irq(5) ...

Nico3 by Senior
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  • 8 replies
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