PCA8565 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA8565

4-bit multiplexed/1-bit latched 5-bit I2C EEPROM

NXP Semiconductors. 

NXP Semiconductors

6. Block diagram

PCA8565

Real time clock/calendar

OSCI

OSCO

VDD

VSS

SDA

SCL

OSCILLATOR DIVIDER

32.768 kHz

MONITOR

POWER-ON

RESET

WATCH

DOG

I2C

INTERFACE

PCA8565

CONTROL

00h

Control_1

01h

Control_2

0Dh CLKOUT_control

TIME

02h

Seconds

03h

Minutes

04h

Hours

05h

Days

06h

Weekdays

07h

Months_century

08h

Years

ALARM FUNCTION

09h

Minute_alarm

0Ah Hour_alarm

0Bh Day_alarm

0Ch Weekday_alarm

TIMER FUNCTION

0Eh Timer_control

0Fh Timer

Fig 1. Block diagram of PCA8565

CLOCK OUT

CLKOUT

INTERRUPT

INT

001aah661

PCA8565_2

Product data sheet

Rev. 02 — 16 June 2009

© NXP B.V. 2009. All rights reserved.

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