As shown in the attached picture, about the RTC chip,I adopted DS1302, which is directly inserted, and the load capacitance is 6pf, C47 C52 was not welded.
With 20ppm, the error is 2s/day. And then I tried again with 5ppm, the error had not changed.
Is there any better way to improve the accuracy?
With 20ppm, the error is 2s/day. And then I tried again with 5ppm, the error had not changed.
Is there any better way to improve the accuracy?
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