| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mobile phone capable of also coping with a frequency error of an RTC (real time clock) due to a temperature change and a secular change at a low cost with low power consumption and to provide an RTC correction method of the mobile phone. <P>SOLUTION: An RTC section 115 and a reference clock generating section 111 give signals to a base band section 117, which compares both the signals, and the base band section 117 feeds back the frequency error of the RTC calculated as a result of comparison to the RTC section 115, wherein the RTC correction is automatically carried out. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
