1339RR-2(2011) データシートの表示（PDF） - Maxim Integrated

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1339RR-2
(Rev.:2011)

I2C Serial Real-Time Clock

Maxim Integrated 

Figure 2. Timing Diagram

DS1339 I2C Serial Real-Time Clock

Figure 3. Block Diagram

X

1

X

2

"C" version only

VCC

VBACKUP

GND

SCL

SDA

1Hz/4.096kHz/8.192kHz/32.768kHz

MUX/

CL

BUFFER

N

CL

Power Control

Oscillator

and

divider

1Hz

CONTROL

LOGIC

SERIAL BUS

INTERFACE AND

ADDRESS

REGISTER

DS1339

ALARM,

TRICKLE

CHARGE, AND

CONTROL

REGISTERS

CLOCK AND

CALENDAR

REGISTERS

USER BUFFER

(7 BYTES)

SQW/INT

6 of 20

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