https://community.nxp.com/t5/Other-NXP-Products/PCF8563-issue/m-p/1702990#M18879 <P>#PCF8563</P><TABLE><TBODY><TR><TD width="362.4px" height="24px"><SPAN class="">Why the unused bits in the register change to 1</SPAN></TD></TR></TBODY></TABLE><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_3-1691671845904.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235970iF340028D74F5D977/image-size/medium?v=v2&amp;px=400" role="button" title="_3-1691671845904.png" alt="_3-1691671845904.png" /></span></P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1691671675111.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235967i33044E091D8FA282/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1691671675111.png" alt="_0-1691671675111.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1691672415130.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235976i704FAF9792893842/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1691672415130.png" alt="_0-1691672415130.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 10 Aug 2023 13:00:24 GMT 曾经怀念 2023-08-10T13:00:24Z https://community.nxp.com/t5/Other-NXP-Products/PCF8563-issue/m-p/1702990#M18879 <P>#PCF8563</P><TABLE><TBODY><TR><TD width="362.4px" height="24px"><SPAN class="">Why the unused bits in the register change to 1</SPAN></TD></TR></TBODY></TABLE><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_3-1691671845904.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235970iF340028D74F5D977/image-size/medium?v=v2&amp;px=400" role="button" title="_3-1691671845904.png" alt="_3-1691671845904.png" /></span></P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1691671675111.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235967i33044E091D8FA282/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1691671675111.png" alt="_0-1691671675111.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1691672415130.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235976i704FAF9792893842/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1691672415130.png" alt="_0-1691672415130.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 10 Aug 2023 13:00:24 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF8563-issue/m-p/1702990#M18879 曾经怀念 2023-08-10T13:00:24Z https://community.nxp.com/t5/Other-NXP-Products/PCF8563-issue/m-p/1703687#M18895 <P>Hello <A id="link_6" class="lia-link-navigation lia-page-link lia-user-name-link" href="https://community.nxp.com/t5/user/viewprofilepage/user-id/134657" target="_self" aria-label="View Profile of 曾经怀念"><SPAN class="">曾经怀念</SPAN></A>,</P> <P>I hope all is great with you. Thank you for using the NXP communities.</P> <P>Please note that the “X” means undefined. I mean, they might be logic 1 or 0. Such values are not relevant for the behavior of the device.</P> <P>Is you RTC working as expected?</P> <P>Regards,</P> <P>David</P> Fri, 11 Aug 2023 17:42:00 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF8563-issue/m-p/1703687#M18895 diazmarin09 2023-08-11T17:42:00Z