STM32 MCUs Products

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Resolved! __nop() taking more than one clock cycle?

I decided to run an experiment on my STM32F767ZI microcontroller. I turned on the cycle count register (DWT->CYCCNT) and decided to run the program step by step on Keil. I set the clock to the maximum amount possible with a PLL on this MCU, which is ...

IJoe.1 by Associate II
  • 3400 Views
  • 4 replies
  • 1 kudos

Resolved! STM32G484VE - GPIO status while powering on.

I have designed a target board based on STM32G484VE and I am encountering a problem with GPIO outputs while powering on.The requirement is no output should get high status while powering on or during reset. So I have configured the IOs using CUBEMX ...

BSUJA.1 by Associate
  • 521 Views
  • 2 replies
  • 0 kudos

Resolved! Timing to be reflected __disable_irq() and __enable_irq()

​We make below code.The variable a is written from both main function and interrupt function.​When accessing variable a with the main function to realize exclusive control, interrupt disable and enable (__disable_irq(), __enable_irq()) are used.​How ...

Fkasa.1 by Associate II
  • 1994 Views
  • 8 replies
  • 0 kudos