| 摘要 |
<P>PROBLEM TO BE SOLVED: To shorten a start-up time when turning on the power of a portable telephone. <P>SOLUTION: When a power supply key is turned off during operation, the display of an LCD is turned off, and key interruption or the like is masked (S11, S12). Data under processing in an application program under execution, an execution address and the like are stored for notifying the baseband 13 of a shift to a suspended state (S14). A CPU at an application section 21 is set to a deep sleep mode (S16). A shift to a start-up instruction wait state from the baseband 13 is made (S17). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
