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Interference between GPDMA channels on STM32U575

Hello,I'm trying to configure the GPDMA1 to transfer conversion results from ADC1 and ADC4 to two results buffers using two separate GPDMA1 channels on a STM32U575. The DMA channels are both configured as 'Standard Request Mode' with 'Circular Mode' ...

WTreh.1 by Associate
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Help with understanding UART interface

I have a device made of two modules. Each module has its own ST microcontroller, family is STM32L476. They are connected together with a cable of 2-2.5 meter coated, most likely, with a silicone tube.I need to make the two microcontrollers communicat...

mdiro by Associate III
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  • 9 replies
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Resolved! STM32F730xx ADC: EOC never set when reading VREFINT

Hello,we want to read VREFINT to make our ADC measurements more accurate.But the EOC bit is never set when selecting the ADC_CHANNEL_VREFINT channel.PCLK2 is at 108MHz but ADC prescaler and sampling cycles are at max. so we assume there is no problem...

rengl by Associate II
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  • 6 replies
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Resolved! How does the single bank mode operate exactly?

If have read the RM0456 and could not found a detailed description.If I switch the option byte DUALBANK to 0 single-bank mode, what will happen if I access a address which is normally supposed to be in bank 2? Do I get a memory access error?So is my ...

PScal by Associate III
  • 1021 Views
  • 2 replies
  • 1 kudos

Resolved! Issue with the RTC REF_IN on STM32F439NIHx

Hi,I'm having some trouble with trying to correct the RTC drift on a STM32F439NIHx. I've enabled the REF_IN and provided a 50Hz signal on the pin, but the RTC still drifts by around 1s per day.I've also tested that the 50Hz signal is correctly receiv...

DPitt.2 by Associate II
  • 2040 Views
  • 17 replies
  • 0 kudos