STM32 MCUs Products

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Resolved! 1. Data cache disable issue, 2. flash interface (AXI vs. TCM)

If the Data cache is disabled to solve dma data coherency, it reduce performance a lot?  I know functions SCB_ClearDCache(), SCB_InvalidateDCache() to solve that issue. But there is a risk that an error message will not occur even if omitted by mista...

pabian by Associate III
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STM32 Internal Flash Write/Read Failure

Hello everyone!I'm writing a STM32F446RE-based flight computer for a rocket. I want to use internal flash memory to keep some key data like base pressure or flight time. So if a power failure happens, the system can keep the base data.These are the t...

TEngi.2 by Associate
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MHz frequencies on OUTPUT

hey thereI have a stm32f103 blue pill board which I wish to generate MHz frequencies on pinC13.I have used TIM1. it starts and interrupts and on each interrupt I toggle PC13like sovoid HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { if(hti...

Ala by Senior
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  • 4 replies
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Help with debuging a for statement in BluePill

Hi, I'm using a base64 library to convert my data to my base64 on STM BluePill. everything works fine, but after 5 minutes i receive an imprecise data access violation hard fault error on a for statement. i'm using main loop to run my code every 1 se...

MNoro.2 by Associate II
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  • 1 replies
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Resolved! Does micro detects low power?

hey there I have a question: can a micro, say stm32f407 detect low power? for example is there a HAL function to indicate VDD lower that 3.3v?(this way any time that power is going, I can for example save everything before power off)

Ala by Senior
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