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PCF85063TP - Tiny Real-Time Clock/calendar

General Description

The PCF85063TP is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption.

An offset register allows fine-tuning of the clock.

All addresses and data are transferred serially via the two-line bidirectional I2C-bus.

Key Features

  • Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal.
  • Clock operating voltage: 0.9 V to 5.5 V.
  • Low current: typical 0.22 A at VDD = 3.3 V and Tamb = 25 C.
  • 400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5 V).
  • Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz).
  • Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PCF85063TP Tiny Real-Time Clock/calendar Rev. 4 — 6 May 2015 Product data sheet 1. General description The PCF85063TP is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. An offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line bidirectional I2C-bus. Maximum bus speed is 400 kbit/s. The register address is incremented automatically after each written or read data byte. For a selection of NXP Real-Time Clocks, see Table 35 on page 43 2. Features and benefits  Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal  Clock operating voltage: 0.9 V to 5.5 V  Low current: typical 0.22 A at VDD = 3.