F15353S View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F15353S

2-wire Real-time Clock

Feature Integration Technology Inc. 

Fintek

Table of Contents

Feature Integration Technology Inc.

F15353

1 GENERAL DESCRIPTION ........................................................................................................................................................ 4

2 FEATURE ..................................................................................................................................................................................... 4

3 PIN CONFIGURATION .............................................................................................................................................................. 5

4 PIN DESCRIPTION..................................................................................................................................................................... 6

4.1. POWER PIN ........................................................................................................................................................................... 6

4.2. CRYSTAL OSCILLATOR PIN .................................................................................................................................................... 6

4.3. INTERRUPT PIN ..................................................................................................................................................................... 6

4.4. I2C INTERFACE PIN............................................................................................................................................................... 7

5 ELECTRICAL CHARACTERISTIC......................................................................................................................................... 8

6 FUNCTIONAL DESCRIPTION ................................................................................................................................................. 9

6.1 POWER SUPPLY VOLTAGE DETECTOR ....................................................................................................................................... 9

6.2 POWER SUPPLY VOLTAGE DETECTOR ....................................................................................................................................... 9

6.3 REAL-TIME DATA ................................................................................................................................................................... 11

6.4 INVALID DATE AND END-OF-MONTH PROCESS ....................................................................................................................... 12

6.5 INTERRUPT FUNCTION ............................................................................................................................................................ 12

6.6 ALARM INTERRUPT FUNCTION ............................................................................................................................................... 18

6.7 CLOCK ADJUSTMENT FUNCTION ............................................................................................................................................ 19

6.8 I2C INTERFACE FUNCTION ..................................................................................................................................................... 20

6.9 DATA WRITING ....................................................................................................................................................................... 21

6.10 COMMUNICATION DATA CONFIGURATION ........................................................................................................................... 25

7 REGISTER DESCRIPTION (I2C ADDRESS = 0X6X).......................................................................................................... 26

7.1 STATUS REGISTER_1 ACCESS (COMMAND 000B).................................................................................................................... 26

7.2 STATUS REGISTER_2 ACCESS (COMMAND 001B).................................................................................................................... 27

7.3 REAL-TIME DATA 1 ACCESS, YEAR DATA (COMMAND 010B).................................................................................................. 28

7.4 REAL-TIME DATA 2 ACCESS, HOUR DATA (COMMAND 011B) ................................................................................................. 29

7.5 INT1 REGISTER_1 ACCESS (COMMAND 100B) ....................................................................................................................... 30

7.6 INT1 REGISTER_2 ACCESS (COMMAND 101B) ....................................................................................................................... 31

7.7 CLOCK ADJUSTMENT REGISTER ACCESS (COMMAND 110B) .................................................................................................. 32

7.8 FREE REGISTER ACCESS (COMMAND 111B)............................................................................................................................ 33

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V0.12P

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