1. A semiconductor system comprising: a semiconductor memory device; and a semiconductor memory device controller, wherein the semiconductor memory device and the semiconductor memory device controller between which a normal data and a recovery information data are transferred, wherein the semiconductor memory device controller compares a recovery information training data with a feedback recovery information training data to produce a comparison result, and controls a phase of the recovery information data transferred to the semiconductor memory device based on the comparison result, and wherein the semiconductor memory device receives the recovery information training data from the semiconductor memory device controller at a predetermined first moment and transfers the feedback recovery information training data to the semiconductor memory device controller at a predetermined second moment.