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probleme cu DS3231


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salutare tuturor, am incercat sa fac un ceas si calendar cu afisaj pe LCD, am ales o varianta mai precisa decat softul bazat pe intreruperi si am folosit un circuit specializat RTC DS3231. De ce DS3231 si nu altul, pentru ca asta se lauda ca este extrem de precis compensandu-si frecventa cuartului (care este integrat in el) cu temperatura. Toate bune si frumoase numai ca ceasul asta o ia inainte rau de tot. Are niste registri de control si stare din cate mi-am dat eu seama din foaia de catalog ar trebui initializat si registrul de control. dar cu toate aceste initializari ceasul tot o ia inainte. Va rog sa-mi dati sugestii. Este probabil sa fie o eroare in softul facut de mine sau poate ca nu este complet.

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