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STM32C071 internal temperature measurement formula

Matthias32
Associate

‎2025-12-12 4:01 AM - last edited on ‎2025-12-12 4:35 AM by

HI,

how do I read the temperature value of a STM32C071 ADC and convert it into °C using DMA? I cant find any formula in the datasheet.

BR

Matthias

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mƎALLEm
ST Employee

‎2025-12-12 4:32 AM - edited ‎2025-12-12 4:33 AM

Hello,

The temperature sensor formula reading is provided in the reference manual RM0490 (page 321) of the product not in the datasheet:

mALLEm_0-1765542734325.png

 

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Matthias32
Associate

‎2025-12-12 6:05 AM - edited ‎2025-12-12 6:06 AM

Thank you a lot! But still I have many questions regarding this. Like this one:

I have configured the ADC with the Temperature Channel and Vref int channel to be used with DMA. However in many examples they show how to configure the rank for the DMA but the rank option is missing within my CubeMX:

 

Matthias32_0-1765548300336.png

Is this a bug or I'm missing something?

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