com DS1395/DS1397 DS1395/DS1397 RAMified Real Time Clock FEATURES • Ideal for EISA bus PCs • Functionally compatible with MC146818 in 32 KHz mode • Totally nonvolatile with over 10 years of operation in the absence of power • Self-contained subsystem includes lithium, quartz, and support circuitry • Counts seconds, minutes, hours, day of the week, date, month, and year with leap year compensation • Binary or BCD representations of time, calendar, and alarm • 12- or 24-hour clock with AM and PM in 12-hour mode • Daylight Savings Time option • Interfaced with software as 64 register/RAM locations plus 4K x 8 of static RAM – 14 bytes of clock and control registers – 50 bytes o...

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