| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable data to be acquired correctly from a memory card and to improve data transfer efficiency. <P>SOLUTION: A host controller comprises: a plurality of data input means (25 through 27) for repeating operation of acquiring a plurality of values by performing sampling for data body contained in read data and for additional information associated with the data body according to a plurality of clocks of different phases; and a control means (21) for detecting deviations of the data from the clocks on the basis of the plurality of values acquired by the plurality of data input means, and for adjusting the phases of the clocks on the basis of the detected deviations of the data. <P>COPYRIGHT: (C)2012,JPO&INPIT |
