1339RR-3 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

1339RR-3

I2C Serial Real-Time Clock

Maxim Integrated 

Figure 2. Timing Diagram

DS1339 I2C Serial Real-Time Clock

Figure 3. Block Diagram

X1

X2

"C" VERSION ONLY

V CC

V BACKUP

GND

SCL

SDA

1Hz/4.096kHz/8.192kHz/32.768kHz

MUX/

CL

BUFFER

CL

POWER

CONTROL

1Hz

OSCILLATOR

AND DIVIDER

CONTROL

LOGIC

SERIAL BUS

INTERFACE AND

ADDRESS

REGISTER

Dallas

Semiconductor

DS1339

ALARM,

TRICKLE CHARGE,

AND CONTROL

REGISTERS

CLOCK AND

CALENDAR

REGISTERS

USER BUFFER

(7 BYTES)

SQW/INT

6 of 19

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