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Forum Posts

Please improve DFSDM section of reference manual.

I've managed to get the DFSDM working with a PDM microphone (on a STM32L496 board) - using direct access to registers. But the documentation often made things more difficult than they needed to be. Just a few extra sentences, less ambiguous language ...

gregstm by Senior III
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  • 9 replies
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How to switch the operator for B-L462E-CELL1 board?

Hello,I wanted to experience data transmission through NB-IoT in Canada by using a Cellular Discovery Kit (B-L462E-CELL1).The eSIM is activated and the board communicates with echoclient, but it selects the operator automatically. Unfortunately, the ...

S.R.M. by Associate
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  • 0 replies
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Effect of pull up without supplying power to MCU

As shown in above figure.The EXT/GPIO pin directly connected to MCU with pull up resistor (10K).So once the switch press the PMOSFET start switching supply to MCU.Please let me know the effect of voltage on EXT/GPIO pin without suppling power to MCU.

0693W00000KaBiuQAF.png
cWagh.1 by Associate
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  • 4 replies
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Power modes stm32H757

We develops the system that based on STM32H757 processorIn the working the application , I would compline to the three different running modes. 1. M7 - 480Mhz / M4 240Mhz --> full power mode (50% of application)2. M7 - 400MHz/ M4 200MHz --> run mode ...

BZvia.2 by Associate
  • 506 Views
  • 1 replies
  • 0 kudos