8000 Add ADC 14bit support in U5 by ouoam · Pull Request #2747 · stm32duino/Arduino_Core_STM32 · GitHub
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Add ADC 14bit support in U5 #2747

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Add ADC 14bit support in U5 #2747

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ouoam
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@ouoam ouoam commented Jun 5, 2025

Summary

STM32U5 Series cannot set analog read resolution to 14-bit. Because MAX_ADC_RESOLUTION has a value of 12 instead of 14.

This PR fixes the following bugs

  • Bug U5 cannot read ADC with 14-bit resolution

Motivation
When set analog read resolution to 14-bit, analog only read with 12-bit

Validation

  • Build and test with custom U585VI board

@fpistm fpistm added the enhancement New feature or request label Jun 5, 2025
@fpistm fpistm added this to the 2.11.0 milestone Jun 5, 2025
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fpistm commented Jun 5, 2025

Hi @ouoam
Thanks for pointing this.
Before U5, when ADC_RESOLUTION_14B is defined ADC_RESOLUTION_16B is also defined.
That's why it was not managed.

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enhancement New feature or request
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STM32 core based on ST HAL
Status: In progress
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2.11.0
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