STM32 MCUs Products

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Forum Posts

STM32H743 spi clock is distorted above 20 Mbps or higher.

Hi all,I interfaced STM32H743 with external ADC(SLAVE) In master receive only mode. STM spi clk is distored seen on CRO above 20Mbps . But clk is fine till 20 mbps.so due to this received ADC values is not correct.but works fine below 20Mbps.​So ...

kgang by Associate II
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STM32G431KB strange DAC slew rate behaviour

I assume this issue applies to DACs across all the MCUs but I am testing on a Nucleo-G431KB so I'll stick with the scientific facts.​When I write a 12bit DAC value greater than 4060, the "down" slew rate in buffered output mode drops off a cliff.​For...

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etheory by Senior II
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POWER SUPPLY

Can anyone please tell me the difference between VDD,VBAT and Voltage regulator in stm32f407vgt6 discovery board

Vtrai by Associate II
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Why does UART accept the signal without any failure in one conditions and doesn't accept the signal at all in the other conditions?

Hello.I have assembled the device on the STM32L496ZGT6P microcontroller. Along with the other functions, this controller is to poll its UART interface (more precisely, UART4). The device is operated outdoors and at low temperatures, and I have notice...

ATmos.1 by Associate
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Resolved! STM32L4 ADC Clocking Problem?

Hi Everyone.Page 524, section 18.4.16 ADC timing of the STM32L476 Ref manual states.The elapsed time between the start of a conversion and the end of conversion is the sum ofthe configured sampling time plus the successive approximation time dependin...

kvresto by Senior
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  • 2 replies
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