Real time clock module(4-bit I/O CONNECTION REAL TIME CLOCK MODULE)

Overview The RTC-58321/58323 is a CMOS real time clock modules with perpetual calendar function developed for microcomputer applications. It has a built-in 32.768 kHz quartz resonator, and provides clock and calendar registers for year, month, day, day-of-week, hours, minutes and seconds, with 12

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EPSON

愛普生

REAL TIME CLOCK/CALENDAR

DESCRIPTION The MSM 58321 is a metal gate CMOS Real Time Clock/Calendar with a battery backup function for use in bus-oriented microprocessor applications. FEATURES ? 7 Function-Second, Minute, Hour, Day, Day-of-Week, Month, Year ? Automatic leap year calender ? 12/24 hour format ? Frequency

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