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I am trying to use ADC in stm32f103 micro-controller. I use STM32CubeMX to configure the ADC. Based on the videos I gave seen on YouTube, I must be able to configure the resolution of the ADC (8, 12 or 16 bits) in STM32CubeMX but I can't Here is what STM32CubeMX let me to configure:

ADC configuration in STM32CubeMX

I use STM32CubeMX 5.10, However when I tried with 4.27 still didn't help.

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ADC resolution is not configurable on the STM32F103. It's always 12 bits.

The reference manual would be a better source of information than youtube videos.

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