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The recommended crystal oscillator frequency for the DS3231MZ+TRL is 32.768 kHz.
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The internal oscillator of the DS3231MZ+TRL has an accuracy of ±2 ppm at 25°C, which is sufficient for most applications.
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Yes, the DS3231MZ+TRL can operate in a wide temperature range of -40°C to +85°C, making it suitable for industrial and automotive applications.
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The VBAT pin is used to connect a backup battery, which allows the DS3231MZ+TRL to maintain its clock and alarm settings during power failures.
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The DS3231MZ+TRL automatically accounts for leap years, so the user does not need to manually adjust the date.
