W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 54
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W83627EHG
Manufacturer Part Number
W83627EHG
Description
IC I/O CONTROLLER 128-QFP
Manufacturer
Nuvoton Technology Corporation of America
Specifications of W83627EHG
Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V
Package / Case
128-XFQFN
Mounting Type
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
W83627EHG
Manufacturer:
WINBOND/华邦
Quantity:
20 000
Part Number:
W83627EHG-A
Manufacturer:
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Quantity:
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Company:
Part Number:
W83627EHG-C
Manufacturer:
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Quantity:
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Company:
Part Number:
W83627EHG-UB5885009AH-H VERSION
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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7.6
SMART FAN
Smart Fan Control provides two mechanisms. One is Thermal Cruise mode and the other is Fan Speed
Cruise mode. When enable Smart Fan, the Fan output will start from previous setting of Bank0 Index
01h, Index 03h, Index 11h and Index 61h to increase or decrease.
7.6.1
There are maximum 4 pairs of Temperature/Fan output control at this mode: SYSTIN with
SYSFANOUT, CPUTIN with CPUFANOUT0, AUXTIN with AUXFANOUT and
on Bank0 Index 4Ah.bit7~6 setting that is temperature source selection.
W83627EHF/EHG provides the Smart Fan system which can control the fan speed automatically
depend on current temperature to keep it with in a specific range. At first a wanted temperature and
interval must be set (ex. 55 °C ± 3 °C) by BIOS, as long as the real temperature remains below the
setting value, the fan will be off. Once the temperature exceeds the setting high limit temperature
( 58°C), the fan will be turned on with a specific speed set by BIOS (ex: 20% output) and automatically
controlled its output with the temperature varying. Three conditions may occur :
Smart Fan Control
Thermal Cruise mode
Pin 103 CPUTIN
Pin 104 SYSTIN
Pin 102 AUXTIN
TM
I:
W83627EHF/EF, W83627EHG/EG
-43-
Pin 115 CPUFANOUT0
Pin 116 SYSFANOUT
Pin 7 AUXFANOUT
Pin 120 CPUFANOUT1
Publication Release Date: April 7, 2009
CPUFANOUT1 depends
Version 1.94
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