PC8564A-1(2010) データシートの表示（PDF） - NXP Semiconductors.

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PC8564A-1
(Rev.:2010)

Real time clock and calendar

NXP Semiconductors. 

NXP Semiconductors

6. Block diagram

OSCI

OSCO

VDD

VSS

SDA

SCL

OSCILLATOR DIVIDER

32.768 kHz

MONITOR

POWER ON

RESET

WATCH

DOG

I2C

INTERFACE

PCF8564A

CONTROL

00h

Control_1

01h

Control_2

0Dh

CLKOUT_ctrl

TIME

02h

Seconds

03h

Minutes

04h

Hours

05h

Days

06h

Weekdays

07h

Months

08h

Years

ALARM FUNCTION

09h

Minute_alarm

0Ah

Hour_alarm

0Bh

Day_alarm

0Ch

Weekday_alarm

TIMER FUNCTION

0Eh

Timer_ctrl

0Fh

Timer

Fig 1. Block diagram of PCF8564A

PCF8564A

Real time clock and calendar

CLOCK OUT

CLKOE

CLKOUT

INTERRUPT

INT

001aah660

PCF8564A

Product data sheet

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

Rev. 02 — 30 September 2010

© NXP B.V. 2010. All rights reserved.

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