https://community.nxp.com/t5/Other-NXP-Products/PCF85063A-RTC/m-p/1435472#M13582 <P>Hi,</P><P>I'm unable to read or write the values to PCF85063A AT, when I try to read I can see only zeros or the value of date will be more than 99(year).&nbsp;</P> Tue, 29 Mar 2022 10:16:11 GMT divithsid 2022-03-29T10:16:11Z https://community.nxp.com/t5/Other-NXP-Products/PCF85063A-RTC/m-p/1435472#M13582 <P>Hi,</P><P>I'm unable to read or write the values to PCF85063A AT, when I try to read I can see only zeros or the value of date will be more than 99(year).&nbsp;</P> Tue, 29 Mar 2022 10:16:11 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF85063A-RTC/m-p/1435472#M13582 divithsid 2022-03-29T10:16:11Z https://community.nxp.com/t5/Other-NXP-Products/PCF85063A-RTC/m-p/1435523#M13584 <P>Hi Divith,</P> <P>please share your schematic with part values and voltage levels.</P> <P>Please provide a scope from CLKOUT pin. Please note, that the CLKOUT pin is enabled if the CLKOE is high if you are using the ATL version. And the COF[2:0] bits must be other, than 111.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="JozefKozon_1-1648555227561.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/175157i6048BA400A83FBD0/image-size/medium?v=v2&amp;px=400" role="button" title="JozefKozon_1-1648555227561.png" alt="JozefKozon_1-1648555227561.png" /></span></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="JozefKozon_0-1648555201336.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/175156i03D3E3E88D101866/image-size/medium?v=v2&amp;px=400" role="button" title="JozefKozon_0-1648555201336.png" alt="JozefKozon_0-1648555201336.png" /></span></P> <P>With Best Regards,</P> <P>Jozef</P> Tue, 29 Mar 2022 12:00:42 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF85063A-RTC/m-p/1435523#M13584 JozefKozon 2022-03-29T12:00:42Z