A2D_Init(A2D_Channels: tA2D_Channels; A2D_Acqt: tA2D_ACQT; A2D_Clock: tA2D_Clock; A2D_Mode: tA2D_Mode; A2D_Vref_Mode: tA2D_Vref_Mode);
Initialize the A2D system and turn on the A/D converter (ADON).