About MGehr.3

MGehr.3 · 2021-07-21

I'd like to you a STM32L476 continuesly in LPRun Mode with external Oscillator Frequency of 2.048MHz. But in "Reference Manual" of STM32L476 is written following: "5.3.2 Low-power run mode (LP run)To further reduce the consumption when the system is ...

MGehr.3 · 2021-06-18

Do you have any ideas what's going on with STM32L431RCT. After ESD Testing ADC of STM32L431RCT reads back 0 Values at all Input Channels. A manually disable and enabling cycle in debugging mode helps. ADC is reading values then correct again.We also ...

MGehr.3 · 2021-04-07

Using STM32L431RCT6 (VDDA and VREF+ bondet together). VDDA/VREF is 3.0V and VDD is 1.8V. If i'm sampling voltages larger then 2.8V that effects VDD (Jumping from 1.8V to approx. 2.06V for approx. 400ms). Any Idea's what i'm doing wrong?

MGehr.3 · 2021-07-21

Will i get any Problems using it with 2.048MHz instead of 2.00MHz? Because 2.048MHz is a more common used Oscillator Frequency then 2.00MHz in my case :)

MGehr.3 · 2021-06-23

Interesting for us is what's going on inside the STM32L431? Why is it measuring always Zero Values??? Afterr disabling and enabling ADC everything is fine again...

MGehr.3 · 2021-06-23

I've attached the above Schematic where we have problems after ESD Test. we tested applying ESD Pulses without Housing straight to PC10/PC11 used as USART (because these Signals are wired to another PCB in the same housing). We got the same behavior....

MGehr.3 · 2021-06-23

MGehr.3 · 2021-06-20

We are testing the whole device. We apply ESD Pulses on our Housing.... After a couple of ESD Pulses inside the ADC Measurements of STM32L431 are measuring continuesly 0 Values... :(

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STM32L476 LPRun Mode external clock source Frequency

STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.

ADC Sampling of Voltages > 2.8V effects VDD

Re: STM32L476 LPRun Mode external clock source Frequency

Re: STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.

Re: STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.

Re: STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.

Re: STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.