资 源 简 介
Intersil Real TIme Clock/Calendar/CPUSupervisor with EEPROMFEATURES• Real TIme Clock/Calendar—Tracks TIme in Hours, Minutes, Seconds andHundredths of a Second—Day of the Week, Day, Month, and Year• 2 Polled Alarms (Non-volaTIle)—Settable on the Second, Minute, Hour, Day of theWeek, Day, or Month—Repeat Mode (periodic interrupts)• Oscillator Compensation on chip—Internal feedback resistor and compensationcapacitors—64 position Digitally Controlled Trim Capacitor—6 digital frequency adjustment settings to±30ppm• Battery Switch or Super Cap Input• 32K x 8 Bits of EEPROM—128-Byte Page Write Mode—8 modes of Block Lock™ Protection—Single Byte Write Capability• High Reliability—Data Retention: 100 years—Endurance: 100,000 cycles per byte• 2-Wire™ Interface interoperable with I2C*—400kHz data transfer rate
