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PCF85263A Datasheet Tiny Real-Time Clock/Calendar

Manufacturer: NXP Semiconductors

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General Description

The PCF85263A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption and with automatic switching to battery on main power loss.

The RTC can also be configured as a stop-watch (elapsed time counter).

Three time log registers triggered from battery switch-over as well as input driven events.

Overview

PCF85263A Tiny RTC/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus Rev.

5.

Key Features

  • UL Recognized Component (PCF85263ATL).
  • Provides year, month, day, weekday, hours, minutes, seconds and 100th seconds based on a 32.768 kHz quartz crystal.
  • Stop-watch mode for elapsed time counting. From 100th seconds to 999 999 hours.
  • Two independent alarms.
  • Battery back-up circuit.
  • WatchDog timer.
  • Three timestamp registers.
  • Two independent interrupt generators plus predefined interrupts at every second, minute, or hour.

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