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How to use STM32L152 Internal Ref for ADC?

Question asked by Tom on Feb 19, 2014
Latest reply on Feb 20, 2014 by sung.chen_chung
I'm using  STM32L152 64pin MCU and don't know how to enable internal 1,2V Ref voltage for the ADC1.
The ADC works well but is seems to use Vref+/- pins (I have ca 2,8V at these) by default.
Btw. I'm on Discovery  STM32L152C-DISCO board.

Thanks in advance