Feature Integration Technology Inc.
Fintek
F15353
Table of Contents
1
2
3
4
GENERAL DESCRIPTION ........................................................................................................................................................ 4
FEATURE ..................................................................................................................................................................................... 4
PIN CONFIGURATION.............................................................................................................................................................. 5
PIN DESCRIPTION..................................................................................................................................................................... 6
4.1.
POWER PIN ........................................................................................................................................................................... 6
CRYSTAL OSCILLATOR PIN.................................................................................................................................................... 6
INTERRUPT PIN ..................................................................................................................................................................... 6
I2C INTERFACE PIN............................................................................................................................................................... 7
4.2.
4.3.
4.4.
5
6
ELECTRICAL CHARACTERISTIC......................................................................................................................................... 8
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
V0.12P
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FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
