f75334 Feature Integration Technology Inc., f75334 Datasheet - Page 50

• Manufacturer Part Number: f75334
• Description: Performance Controller
• Manufacturer: Feature Integration Technology Inc.

7-0 SEC1SPEED3
7-0 SEC2SPEED3
7-0 SEC3SPEED3
7-0 SEC4SPEED3
7-0 SEC5SPEED3
Bit
Bit
Bit
Bit
Bit
Bit
8.2.61 FAN3 SEGMENT 1 SPEED COUNT – Index CAh
8.2.62 FAN3 SEGMENT 2 SPEED COUNT – Index CBh
8.2.63 FAN3 SEGMENT 3 SPEED COUNT
8.2.64 FAN3 SEGMENT 4 SPEED COUNT
8.2.65 FAN3 SEGMENT 5 SPEED COUNT
8.2.66 FAN3 Temperature Mapping Select
7
FAN3_PRE_UP_EN
Name
Name
Name
Name
Name
Name
R/W
R/W Default
R/W
R/W Default
R/W
R/W Default
R/W
R/W Default
R/W Default
R/W
R/W Default
R/W
(100%)
(85%)
(70%)
(60%)
(50%)
FFh
D9h
B2h
99h
80h
0
The meaning of this register is depending on the FAN3_MODE(CR96)
2’b00: The value that set in this byte is the relative expect fan speed % of
the full speed in this temperature section.
Ex:
2’b01: The value that set in this byte is mean the expect PWM
duty-cycle in this temperature section.
Depend on the FAN3_MODE(CR96[5:4]) register setting:
2’b00: The value that set in this byte is the relative expect fan speed %
of the full speed in this temperature section.
2’b01: The value that set in this byte is mean the expect PWM duty-cycle
in this temperature section.
Depend on the FAN3_MODE(CR96[5:4]) register setting:
2’b00: The value that set in this byte is the relative expect fan speed %
of the full speed in this temperature section.
2’b01: The value that set in this byte is mean the expect PWM duty-cycle
in this temperature section.
Depend on the FAN3_MODE(CR96[5:4]) register setting:
2’b00: The value that set in this byte is the relative expect fan speed %
of the full speed in this temperature section.
2’b01: The value that set in this byte is mean the expect PWM duty-cycle
in this temperature section.
Depend on the FAN3_MODE(CR96[5:4]) register setting:
2’b00: The value that set in this byte is the relative expect fan speed %
of the full speed in this temperature section.
2’b01: The value that set in this byte is mean the expect PWM duty-cycle
in this temperature section.
If this bit set to 1, when detect loading increase acutely, fan3 will pre-up
fan speed
– Index CCh
– Index CDh
– Index CEh
– Index CFh
100%:full speed: User must set this register to 0.
60% full speed: (100-60)*32/60, so user must program 21 to this reg.
X% full speed: The value programming in this byte is
Expect
43
speed
=



32
+
32
value

× 

Description
Description
Description
Description
Description
Description
Full
speeed
(100-X)*32/X
F75334
July, 2007
V0.25P