STM32 MCUs Products

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About half-duplex communication (Rx frame size is 3)-2

Hello,Is it possible to perform half-duplex communication like the attached document? (I understand that the timing to switch to Rx is tricky.)The Rx frame size is 3 instead of 1.After changing to Rx, can I receive 3 bytes continuously as shown in th...

Connecting PWM output to input on the same board

Good day everyone,At the moment I'm trying to connect a PWM output pin to a PWM input pin on the same board. I'm using a dual core MCU, so both of them are on a different core.I set TIM4 to the M7 and TIM15 to the M4. I enabled the interrupt for TIM1...

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Jvan .10 by Associate III
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[STM32H7] Why is there no spread spectrum functionality?

Hi,as there is apparently no more spread spectrum functionality in the STM32H7 to reduce EMI, is there some counterpart? I heard that the PLL fractional divider might be used for that purpose, but the amount of processor overhead to change the three ...

MaxMax by Associate II
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Resolved! STM32H743-EVAL2, why battery-backed RAM doesn't hold data?

I start from any simple Cube example, such as UART_Printf,enable access to the backup RAM and write some data.After reset by the reset button or NVIC_System_Reset data in the backup RAM is retained.But after powering off the data is lost.Do I miss so...

Pavel A. by Super User
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  • 6 replies
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