f75377 Feature Integration Technology Inc., f75377 Datasheet - Page 33
f75377
Manufacturer Part Number
f75377
Description
Monitor With Automatic Speed Control
Manufacturer
Feature Integration Technology Inc.
Datasheet
1.F75377.pdf
(66 pages)
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3-2
1-0
7-6
5-4
3-2
1-0
7-4
3-0
Bit
Bit
7.41
7.42
Fan mode Select Register -- Index 96h
Auto Fan1 and Fan2 Boundary Hystersis Select Register -- Index 98h
FAN3_MODE
FAN2_MODE
FAN1_MODE
FAN2_TYPE
FAN1_TYPE
FAN2_HYS
FAN1_HYS
Name
Name
-
R/W
R/W
R/W Default
R/W
R/W
R/W
R/W
R/W Default
R/W
R/W
2’b10
2’b10
1h
1h
1h
4h
4h
0
00: Output PWM mode (push pull) to control fans.
01: Reserved
10: Output PWM mode (open drain) to control Intel 4-wire fans.
11: Reserved.
00: Output PWM mode (push pull) to control fans.
01: Reserved
10: Output PWM mode (open drain) to control Intel 4-wire fans.
11: Reserved.
Reserved
00: Auto fan speed control, fan speed will follow different temperature by
different RPM
01: Auto fan speed control, fan speed will follow different temperature by
different duty cycle
10, 11: Reserved
00: Auto fan speed control, fan speed will follow different temperature by
different RPM.
01: Auto fan speed control, fan speed will follow different temperature by
different duty cycle.
10, 11: Reserved
00: Auto fan speed control, fan speed will follow different temperature by
different RPM.
01: Auto fan speed control, fan speed will follow different temperature by
different duty cycle.
10, 11: Reserved
0000: Boundary hysteresis. (0~15 degree C)
Segment will change when the temperature over the boundary
temperature and below the ( boundary – hysteresis ).
0000: Boundary hysteresis. (0~15 degree C)
Segment will change when the temperature over the boundary
temperature and below the (boundary – hysteresis ).
33
Description
Description
F75377
March.
V0.12P
, 2008
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