Feature Integration Technology Inc.
Fintek
F75373
Table of Contents
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2
3
4
5
GENERAL DESCRIPTION ........................................................................................................................................................ 1
FEATURE ..................................................................................................................................................................................... 1
PIN CONFIGURATION.............................................................................................................................................................. 2
PIN DESCRIPTION..................................................................................................................................................................... 2
FUNCTIONAL DESCRIPTION................................................................................................................................................. 4
5.1 ANALOG INPUT......................................................................................................................................................................... 4
5.2 ACCESS INTERFACE .................................................................................................................................................................. 5
5.3 TEMPERATURE MEASUREMENT MACHINE................................................................................................................................ 6
5.3.1
5.3.2
Monitor Temperature from thermistor.................................................................................................................................. 6
Over Temperature Signal (OVT#) ........................................................................................................................................ 7
5.4 FAN .......................................................................................................................................................................................... 7
5.4.1
5.4.2
5.4.3
5.4.4
Fan speed count ................................................................................................................................................................... 7
Fan speed control................................................................................................................................................................. 8
Fan speed control mechanism.............................................................................................................................................. 9
FAN_Fault#.........................................................................................................................................................................11
5.5 SMI#...................................................................................................................................................................................... 11
5.5.1
5.5.2
5.5.3
Temperature ........................................................................................................................................................................11
Voltage ............................................................................................................................................................................... 12
Fan..................................................................................................................................................................................... 12
5.6 VOLT_FAULT# (VOLTAGE FAULT SIGNAL) .......................................................................................................................... 13
6
REGISTER DESCRIPTION..................................................................................................................................................... 13
6.1 CONFIGURATION REGISTER INDEX 00H ............................................................................................................................. 13
6.2 CONFIGURATION REGISTER INDEX 01H ............................................................................................................................. 14
6.3 CONFIGURATION REGISTER INDEX 02H ............................................................................................................................. 14
6.4 CONFIGURATION REGISTER INDEX 03H ............................................................................................................................. 15
6.5 SERIAL BUS ADDRESS REGISTER INDEX 04H ..................................................................................................................... 15
6.6 VALUE RAM INDEX 10H- 2FH........................................................................................................................................... 16
6.7 IRQ/SMI# ENABLE REGISTER 1 INDEX 30H.................................................................................................................... 17
6.8 INTERRUPT STATUS REGISTER 1 INDEX 31H....................................................................................................................... 18
6.9 REAL TIME STATUS REGISTER 1 INDEX 32H....................................................................................................................... 18
6.10
6.11
IRQ/SMI# ENABLE REGISTER 2 INDEX 33H................................................................................................................ 19
INTERRUPT STATUS REGISTER 2 INDEX 34H ................................................................................................................... 19
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
