F75373 参数 Datasheet PDF下载

Fintek

Feature Integration Technology Inc.

F75373

Table of Contents

1

2

3

4

5

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

FEATURE ..................................................................................................................................................................................... 1

PIN CONFIGURATION .............................................................................................................................................................. 2

PIN DESCRIPTION..................................................................................................................................................................... 2

FUNCTIONAL DESCRIPTION ................................................................................................................................................. 4

5.1

5.2

5.3

5.3.1

5.3.2

5.4

5.4.1

5.4.2

5.4.3

5.4.4

5.5

5.5.1

5.5.2

5.5.3

5.6

6

A

NALOG

I

NPUT

......................................................................................................................................................................... 4

A

CCESS

I

NTERFACE

.................................................................................................................................................................. 5

T

EMPERATURE

M

EASUREMENT

M

ACHINE

................................................................................................................................ 6

Monitor Temperature from thermistor.................................................................................................................................. 6

Over Temperature Signal (OVT#) ........................................................................................................................................ 7

F

AN

.......................................................................................................................................................................................... 7

Fan speed count ................................................................................................................................................................... 7

Fan speed control................................................................................................................................................................. 8

Fan speed control mechanism.............................................................................................................................................. 9

FAN_Fault#.........................................................................................................................................................................11

SMI#...................................................................................................................................................................................... 11

Temperature ........................................................................................................................................................................11

Voltage ............................................................................................................................................................................... 12

Fan ..................................................................................................................................................................................... 12

VOLT_FAULT# (V

OLTAGE

F

AULT

S

IGNAL

) .......................................................................................................................... 13

REGISTER DESCRIPTION ..................................................................................................................................................... 13

6.1

6.2

6.3

6.4

6.5

6.6

6.7

6.8

6.9

6.10

6.11

C

ONFIGURATION

R

EGISTER



I

NDEX

00

H

............................................................................................................................. 13

C

ONFIGURATION

R

EGISTER



I

NDEX

01

H

............................................................................................................................. 14

C

ONFIGURATION

R

EGISTER



I

NDEX

02

H

............................................................................................................................. 14

C

ONFIGURATION

R

EGISTER



I

NDEX

03

H

............................................................................................................................. 15

S

ERIAL

B

US

A

DDRESS

R

EGISTER



I

NDEX

04

H

..................................................................................................................... 15

V

ALUE

RAM



I

NDEX

10

H

- 2F

H

........................................................................................................................................... 16

IRQ/SMI# ENABLE R

EGISTER

1



I

NDEX

30

H

.................................................................................................................... 17

I

NTERRUPT

S

TATUS

R

EGISTER

1



I

NDEX

31

H

....................................................................................................................... 18

R

EAL

T

IME

S

TATUS

R

EGISTER

1



I

NDEX

32

H

....................................................................................................................... 18

IRQ/SMI# ENABLE R

EGISTER

2



I

NDEX

33

H

................................................................................................................ 19

I

NTERRUPT

S

TATUS

R

EGISTER

2



I

NDEX

34

H

................................................................................................................... 19