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Resolved! STM32L031 noisy, even in reset

Heyho,I have some custom miniature PCBs here, the unholy combination of a super-high-impedance-low-noise amplifier (going to a low noise audio input with 24bit ADC, spectra below from that one) and a STM32L031 on another PCB.Both circuits share the s...

Amp_Noise_MCU_removed.png LCE_0-1742313100646.png LCE_1-1742313120753.png
LCE by Principal II
  • 184 Views
  • 6 replies
  • 3 kudos

STM32U575CGTx ADC, DAC

Hello,I am having trouble configuring and enabling DAC on my U575CGTx. I am a beginner programmer, and I have very little experience programming STM32 MCUs. Reading through the reference manual feels like learning Chinese.I do not have an external os...

ATroš.1 by Associate II
  • 87 Views
  • 3 replies
  • 1 kudos

Timer interrupt failure - STM32G491

Good afternoon,I have a problem interrupting the TIM3 Timer, I inserted an output pin to make an alternation but no oscillation appears on the pin.Source code attached.I compared it with other examples and in my understanding everything seems to be f...

famadeu by Associate
  • 147 Views
  • 4 replies
  • 1 kudos

ADC Reading on Vbat Incorrect STM32G051C8T6

The issue I am having is as follows on the STM32G051C8T6. We are using the internal RTC with Vbat pin. On this MCU Vbat can be internally configured to be read by the ADC by diving by 3 Bridge. We have ADC Setup, I am making sure we perform the ADC C...

KDham.1 by Associate II
  • 2406 Views
  • 9 replies
  • 0 kudos