F75386
Table of Contents
1.
2.
General Description............................................................................................................ 1
Features.............................................................................................................................. 1
Key Specifications .............................................................................................................. 2
Pin Configuration ................................................................................................................ 2
Pin Descriptions.................................................................................................................. 2
Functional Description ........................................................................................................ 3
6.1 General Description........................................................................................................ 3
6.2 Access Interface ............................................................................................................. 3
6.3 Typical Operating Characteristics ................................................................................... 5
6.4 Temperature Monitoring.................................................................................................. 6
6.4 Alert# Signal ................................................................................................................... 7
6.5 Temperature Fault Queue............................................................................................... 9
Registers Description.......................................................................................................... 9
3.
4.
5.
6.
7.
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
Configuration Register Index 03h (09h) ............................................................... 9
Status Register 1 Index 02h ................................................................................ 10
Status Register 2 Index 18h ................................................................................ 10
Real-Time Status Register Index 2Eh ................................................................ 11
Conversion Rate Register Index 04h (0Ah)........................................................ 11
Serial Interface Timeout Register Index 22h ...................................................... 12
ALERT MASK Register 1 Index 16h................................................................... 12
ALERT MASK Register 2 Index 17h.................................................................... 13
PWM Control Register Index 30h....................................................................... 13
FINTEK PWM Control Register Index 31h (Fintek Mode).................................. 14
PWM Control and Fan Monitor Register Index 4Ah ............................................ 14
Fan Spin-Up Configuration Register Index 4Bh ................................................. 14
PWM Value Register Index 4Ch......................................................................... 15
FAN PWM Frequency Register Index 4Dh......................................................... 15
Lookup Table Hysteresis Register Index 4Fh..................................................... 16
Temperature vs. PWM Duty Lookup Table Registers Index 50h to 5Fh ............. 16
ALERT Mode and Temperature Filter Control Register -- Index BFh ..................... 16
ARA Register--- Index FDh .................................................................................... 16
Vendor ID II (Manufacturer ID) Register Index FEh............................................ 17
Temperature and Fan Count Value Registers Index 10h- 2Fh ............................ 17
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
8.
9.
PCB Layout Guide............................................................................................................ 17
Electrical characteristic ..................................................................................................... 19
-II-
F75386
July, 2007
V0.27P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
