STM32 MCUs Products

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STM32F7: Output stays on an undefined level when set to low

Hello together,currently I'm facing a very strange issue:I'm working with an STM32F777.One GPIO of the MCU is used to enable the voltage to a sensor. This pin is initialized as GPIO_InitStructure.Mode = LL_GPIO_MODE_OUTPUT; GPIO_InitStructure.Outp...

PiPoint by Associate II
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change LPTIM_CNT on TIM4

Hi, is there a way to change LPTIM_CNT on TIM4 so that LPTIM_CNT = LPTIM_CMP, this is because for every interrupt we need the PWM to skip some period. is there any sample code ?

Wleon.1 by Associate II
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  • 3 replies
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UART LIN DMA HAL

Hello, second day try to launch UART in LIN mode.Task: waiting break, when break flag set up, switch on DMA receiver.Transmitter works fine and send 100us break before frame.But receiver can't set UP Break Flag.And there are not everywhere examples =...

AMele.1 by Associate
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How to get best ADC sample using ADC + TIM + DMA.??

Hello everyone,I am using ADC + DMA + TIMER for my analog samples on STM32 nucleoF401RE.I am new into the STM32 family.So I refer some code as per given some examples in this community.But I am not able to achieve it.I wanted to follow below method f...

MGami.1 by Associate III
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AcousticBF initialization

Hi,I've been trying to setup beam forming(SMARTMIC1_V2.0.0) on my stm32f412g-discovery with two microphones connected to DFSDM peripheral but i can't quite understand how to setup it properly and examples aren't helpful.Could anyone throw some light ...

GMiki.1 by Associate
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  • 0 replies
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Resolved! ADC voltage with respect to MCU VDD

Hello, I am using STM32L4R9AI, the MCU VDD is powered at 1.8v and VDDA at 3.3v. in the recommended design by ST, there is ferite bead between MCU VDD and VDDA, ferite bead is basically inductor which acts as short circuit for DC current, so how can I...