| 摘要 |
<P>PROBLEM TO BE SOLVED: To always activate an input circuit for a desired period. <P>SOLUTION: A semiconductor chip 1 includes: a plurality of pads; input circuits or output circuits that are electrically connected to the pads; a main control unit that outputs a read access signal, the read access signal controlling reading of signals from an external circuit or an internal circuit; and activation control units that control activation of the input circuits or the output circuits that are electrically connected to the pads based on the read access signal, the pads receiving the signals from the external circuit or the internal circuit. <P>COPYRIGHT: (C)2011,JPO&INPIT |
