DS1302 Trickle Charge Timekeeping Chip-The DS1302 Trickle Charge Timekeeping Chip contains a real time clock/calendar and 31 bytes of static

RAM.　It communicates with a microprocessor via a simple serial interface.　The real time clock/calendar

provides seconds, minutes, hours, day, date, month, and year information.　The end of the month date is

automatically adjusted for months with less than 31 days, including corrections for leap year.　The clock

operates in either the 24–hour or 12–hour format with an AM/PM indicator.