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STM32L Discovery Board - OPAMP question

Question asked by grossi.marco on Dec 5, 2014
Latest reply on Dec 16, 2014 by Amel N
I have a question about the OPAMPs present in the ucontroller. 

According to STM32L1XX.H 3 OPAMPS are available that can be used by driving the inverting/non-inverting input and output to different pins of the board by some switches.
However it is not clear what switches connect to what pins on the board. Is there any picture that explains this?

Are the power supply of the OPAMPs V- = GND and V+ = 3V ?