Stm32 Get Clock Frequency
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Stm32 Get Clock Frequency
Web Jun 2 2020 nbsp 0183 32 2 Answers Sorted by 9 Directly from the reference manual pay attention to the last line Without oscilloscope you can use TIM5 to perform a comparison between two clocks Since TIM5 can input capture from LSI or LSE you can compare the SYSCLK the one TIM5 is running on with any of those TIM11 can do HSE Lost frequency random encounter. Clock frequency reduction for an electronic device patent grantAlarm clock free stock photo public domain pictures.
Frequency 2000
Web On most microcontroller models it is possible to determine the clocks without knowing which crystal is in use by measuring the ratio of two timers one driven by main system clock and another driven by slow reference clock nearly all have a 32 kHz either as an internal oscillator circuit or a secondary crystal ;The macro/function should be able to determine the frequency regardless of which clock the microcontroller is running from. Of course it is fully acceptable to do it 2 steps, first determine the clock source and then determine the resulting frequency for a particular timer.
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Stm32 Get Clock Frequency;1 Answer. Sorted by: 0. volatile uint32_t SysClockFreq = HAL_RCC_GetSysClockFreq (); __NOP (); // <- Breakpoint here. You may also be able to write an inline assembly loop and measure the execution time with a GPIO on an oscilloscope: To approximately wait 1600 iterations in two nested for loops: Web Nov 27 2014 nbsp 0183 32 2 Answers Sorted by 8 Using the standard peripheral library include stm32f4xx rcc h then call void RCC GetClocksFreq RCC ClocksTypeDef RCC Clocks and it will fill in the structure that you pass with the values of all the bus clocks
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