The present invention relates to a novel process for the preparation of the magnesium salt of the -enantiomer of 5-methoxy-2–methylsulfinyl-1H-benzimidazole trihydrate, i. A method for operating an I2C slave interface is also provided. The method continues with the router determining whether to temporarily locally store the data packet when the router has the affiliation with the destination. The inner bond ends may also be wirebonded to the bond pads. A clearance groove is formed in the bottom face of the housing access to prevent the tuning-fork piezoelectric vibrating element from colliding against the bottom face of the housing recess.