Description
The MSM62X42B is a bus-connection Microcomputer peripheral IC of a Real Time Clock with built-in crystal in the perpetual calendar which can be read and written from a second unit.
Features
- 32.768kHz built-in crystal oscillator (2 ranks of ± 10PPM and ± 50PPM --DIP) (2 ranks of ± 20PPM and ± 50PPM --SOP).
- Real time clock of second, minute, date, month, year and day of week.
- Interface corresponding to microcomputer bus.
- 30-second compensation controlled by software.
- Periodical interrupt function (or periodical waveform output) for alarm.
- STOP/START function for clock.
- 12/24 hour selectable.
- AEL input for 8048 s.
M62X42B_OKIelectroniccomponets.pdf
