M48T86
Key Features
- Drop-in replacement for PC puter clock/calendar
- Counts seconds, minutes, hours, days, day of )the week, date, month, and year with leap year t(spensation c
- Clock accuracy better than ±1 minute per umonth rod )
- Interfaced with software as 128 RAM locations: P t(s– 14 bytes of clock and control registers te c– 114 bytes of general purpose RAM le u
- Selectable bus timing (Intel/Motorola) so rod
- Three interrupts are separately software- maskable and testable b P– Time-of-day alarm (once/second to
- O teonce/day) ) le– Periodic rates from 122 µs to 500 ms t(s so– End-of-clock update cycle c b
- Programmable square wave output du
- 10 years of data retention and clock operation ro )in the absence of power P t(s
- Self-contained battery and crystal in the te cCAPHAT™ DIP package le u
