F75367 datasheet(3/21 Pages) FINTEK

3 / 21 page

Feb.., 2008

V0.11P

F75367

Table of Contents

GENERAL DESCRIPTION ......................................................................................................................................................5

2. FEATURES ....................................................................................................................................................................................5

3. KEY SPECIFICATIONS ..............................................................................................................................................................5

4. PIN CONFIGURATION ...............................................................................................................................................................6

5. PIN DESCRIPTION......................................................................................................................................................................6

5.1.

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

5.2.

MONITORING ITEMS AND FAN SPEED CONTROL .............................................................................................................6

6. FUNCTION DESCRIPTION .......................................................................................................................................................7

6.1

ACCESS INTERFACE ............................................................................................................................................................7

6.2

TEMPERATURE MONITORING..............................................................................................................................................8

6.3

BETA COMPENSATION.........................................................................................................................................................9

6.4

SST MASTER....................................................................................................................................................................10

6.5

PCB LAYOUT GUIDE ........................................................................................................................................................10

7. REGISTER DESCRIPTION ......................................................................................................................................................11

7.1.

CONFIGURATION REGISTER  INDEX 01H ....................................................................................................................11

7.2.

CONFIGURATION REGISTER  INDEX 0AH....................................................................................................................12

7.3.

EXTERNAL DEVICE ADDRESS REGISTER INDEX 40H ~ 45H .......................................................................................12

7.4.

EXTERNAL DEVICE INDEX REGISTER INDEX 48H ~ 4DH............................................................................................12

7.5.

EXTERNAL DEVICE ENABLE REGISTER INDEX 50H ...................................................................................................12

7.6.

EXTERNAL DEVICE MONITORING CYCLE SELECT REGISTER 1  INDEX 52H ...............................................................12

7.7.

EXTERNAL DEVICE MONITORING CYCLE SELECT REGISTER 2  INDEX 53H ...............................................................12

7.8.

SST DEVICE RESET REGISTER  INDEX 55H................................................................................................................12

7.9.

TEMPERATURE INTERRUPT STATUS REGISTER

 INDEX 61H (IF DEV_BANK_EN IS 0) .............................................13

7.10.

TEMPERATURE INTERRUPT STATUS REGISTER

 INDEX 61H (IF DEV_BANK_EN IS 1) .............................................13

7.11.

TEMPERATURE REAL TIME STATUS REGISTER

 INDEX 62H (IF DEV_BANK_EN IS 0) .............................................14

7.12.

TEMPERATURE REAL TIME STATUS REGISTER

 INDEX 62H (IF DEV_BANK_EN IS 1) .............................................14

7.13.

TEMPERATURE REAL TIME STATUS REGISTER

 INDEX 65H........................................................................................15

7.14.

TEMPERATURE OFFSET BANK SELECT REGISTER

 INDEX 67H....................................................................................15

7.15.

TEMPERATURE OFFSET REGISTER

 INDEX 68H..........................................................................................................15

7.16.

DIODE OPEN STATUS REGISTER

 INDEX 6FH (IF DEV_BANK_EN IS 0)..............................................................15

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