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Resolved! ADC Sampling of Voltages > 2.8V effects VDD

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 by Associate II
  • 1176 Views
  • 4 replies
  • 1 kudos

I want know ADC setting is correct.

I have just received the code from my predecessor. The company said something garbage value in ADC sometime.I think is must be ADC problem. ​I don't know what is wrong where cause it. Setting is wrong?I use STM32F103RCT6 MCU.I checked that ADC uses a...

zzzjizon by Associate
  • 508 Views
  • 0 replies
  • 0 kudos

Switching a code base from stm32l010RB to stm32L010K4

Hi,I am currently trying to switch my code base from the RB version of the L010 family to the K4 version. I am doing this because the dev board I prototyped on was for the RB variant. I am building with arm (Keil).I am running into some issues in thi...

rsoc by Associate III
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  • 1 replies
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Resolved! How to port a project from a STM32L476RG to a STM32L072CZYx

Hello,I'm working on a BLE project on a STM32L072CZYx MCU and there is an example of a profile that suits my need but it is on another MCU, the STM32L476RG. I want to port the code from that MCU to mine but I don't really know how to do so... I've ch...

MBour.2 by Associate II
  • 890 Views
  • 3 replies
  • 0 kudos

HAL_ADC_PollForConversion() strange behavior with DMA

I am trying to use the code below to read 8 channels from ADC1. I have ADC1 configured with 8 ranks, and have selected "EOC flag at the end of all conversions". HAL_ADC_PollForConversion() hangs forever.I noticed that if I pass the second argument t...

RBerg.1 by Associate
  • 656 Views
  • 0 replies
  • 1 kudos