topic Re: How to solve rtc PCF8563 time delay? in Other NXP Products https://community.nxp.com/t5/Other-NXP-Products/How-to-solve-rtc-PCF8563-time-delay/m-p/752109#M5686 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please take a closer look at Chapter 10 of the <A href="https://www.nxp.com/docs/en/user-guide/UM10301.pdf">UM10301</A> which provides tips to tune the crystal frequency in order to achieve higher accuracy.</P><P></P><P>Best regards,</P><P>Tomas</P></BODY></HTML> Mon, 21 May 2018 08:22:59 GMT TomasVaverka 2018-05-21T08:22:59Z How to solve rtc PCF8563 time delay? https://community.nxp.com/t5/Other-NXP-Products/How-to-solve-rtc-PCF8563-time-delay/m-p/752108#M5685 <HTML><HEAD></HEAD><BODY><P style="color: #51626f; background-color: #ffffff; border: 0px; font-size: 14px;">Dear All,</P><P style="color: #51626f; background-color: #ffffff; border: 0px; font-size: 14px;">&nbsp;i an using rtc PCF8563 and Date &amp; Time is running. But every day 2 or 3 secs delayed compared with PC time. It is continuously POWER ON condition for one week. So totally 18 seconds delayed for a week. How to solve this Problem?&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px; font-size: 14px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px; font-size: 14px;">thank you</P></BODY></HTML> Tue, 15 May 2018 12:13:31 GMT https://community.nxp.com/t5/Other-NXP-Products/How-to-solve-rtc-PCF8563-time-delay/m-p/752108#M5685 dhanash 2018-05-15T12:13:31Z Re: How to solve rtc PCF8563 time delay? https://community.nxp.com/t5/Other-NXP-Products/How-to-solve-rtc-PCF8563-time-delay/m-p/752109#M5686 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please take a closer look at Chapter 10 of the <A href="https://www.nxp.com/docs/en/user-guide/UM10301.pdf">UM10301</A> which provides tips to tune the crystal frequency in order to achieve higher accuracy.</P><P></P><P>Best regards,</P><P>Tomas</P></BODY></HTML> Mon, 21 May 2018 08:22:59 GMT https://community.nxp.com/t5/Other-NXP-Products/How-to-solve-rtc-PCF8563-time-delay/m-p/752109#M5686 TomasVaverka 2018-05-21T08:22:59Z