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VT82885

ETC
Part Number VT82885
Manufacturer ETC
Description Real Time Clock
Published Apr 17, 2005
Detailed Description VT82885 VIA Technologies, Inc. Real Time Clock electrical characteristics, bus timing and pin descriptions follows. F...
Datasheet PDF File VT82885 PDF File

VT82885
VT82885

Overview
VT82885 VIA Technologies, Inc.
Real Time Clock electrical characteristics, bus timing and pin descriptions follows.
FEATURES • Drop-in replacement for IBM AT computer clock/calendar.
• Pin configuration closely matches the DS12887, DS12885and DS12885Q • Counts seconds, minutes, hours, days, day of the week, date, month, and year with leap year compensation • Binary or BCD representation of time, calendar and alarm • 12- or 24-hour clock with AM and PM in 12-hour mode • Daylight Savings Time option • Intel bus timing • Multiplex bus for pin efficiency • Interfaced with software as 128 RAM locations - 14 bytes of clock and control registers - 114 bytes of general purpose RAM • Programmable ...


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