PCF85063ATL datasheet(1/54 Pages) NXP

Part #	PCF85063ATL

Description	Tiny Real-Time Clock/calendar with alarm function and I2C-bus

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

General description

The PCF85063ATL 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 data rate is

400 kbit/s. The register address is incremented automatically after each written or read

data byte.

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 0.27

Aat V

DD = 3.0 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 =7pF or CL = 12.5 pF

 Alarm function

 Countdown timer

 Minute and half minute interrupt

 Internal Power-On Reset (POR)

 Programmable offset register for frequency adjustment

3.

Applications

 Digital still camera

 Digital video camera

 Printers

 Copy machines

 Mobile equipment

 Battery powered devices

PCF85063ATL

Tiny Real-Time Clock/calendar with alarm function and

I2C-bus

Rev. 2 — 15 April 2013

Product data sheet

1.

The definition of the abbreviations and acronyms used in this data sheet can be found in Section 19.

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PCF85063ATL Datasheet(PDF) 1 Page - NXP Semiconductors

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