PCF85263ATLSLASHAX datasheet(3/92 Pages) NXP

Part #	PCF85263ATL/AX

Description	Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

PDF	92 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 92 page

NXP Semiconductors

PCF85263A

Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

5 Block diagram

aaa-009062

PCF85263A

Alarm control

1 byte RAM

I2C interface

Alarm 1

Alarm 2

Time stamp 1

Time stamp 2

Time stamp 3

Time stamp control

Stopwatch

control

WatchDog

CLK

generation

Offset

calibration

32768 Hz

quartz

oscillator

100TH seconds

Seconds

Minutes

RTC

Stopwatch

Hours

Hours xxxx00

Hours xx00xx

Hours 00xxxx

Weekdays

Days

Months

Years

Mechanical

switch detec.

TS (1)

(CLK/INTB)

SDA

SCL

VSS

VBAT

VDD

CLK (1)

INTA

(CLK)

OSCI

OSCO

Battery switch over

batt_mode

VDD

VBAT/VTH

Interrupt

generation

Pulse/

level

batt_mode

Interrupt

generation

Pulse/

level

Alarms

Time stamps

Periodic interrupt

Offset calibration

WatchDog

Battery mode

VDD(int)

1. Not available on all package types.

Figure 1. Block diagram of PCF85263A

PCF85263A

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 5 — 1 February 2021

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PCF85263ATL/AX Datasheet(PDF) 3 Page - NXP Semiconductors

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