PCF85063A RTC

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PCF85063A RTC

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divithsid
Contributor I

Hi,

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). 

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JozefKozon
NXP TechSupport
NXP TechSupport

Hi Divith,

please share your schematic with part values and voltage levels.

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.

JozefKozon_1-1648555227561.png

JozefKozon_0-1648555201336.png

With Best Regards,

Jozef

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