W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 55

• Manufacturer Part Number: W83627UHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627UHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.6.3.3. S
S
BIOS or application software. There is only one pair of fan outputs and temperature sensors in S
F
The algorithm is as follows:
(1) The target temperature, temperature tolerance, maximum and minimum fan outputs and step are
(2) The following figure shows the initial conditions. If the current temperature is within (Target
CPUFANOUT
SYSFANOUT
CPUFANOUT
AN
MART
CRUISE
THERMAL-
CRUISE
SPEED
set.
TM
MODE
•
MODE
III mode.
F
CPUFANOUT and the temperature sensor selected by Bank0 Index 49h, bits 2 ~ 0
TM
AN
MART
Figure 7-13 FANOUT and Corresponding Temperature Sensor in S
TM
TM
III controls the fan speed so that the temperature meets the target temperature set in
TEMPERATURE
Bank0, 06h
F
AN
CPUTIN
PECI_Agent1
PECI_Agent2
PECI_Agent3
PECI_Agent4
TARGET
Bank0, Index 05h
Bank0, Index 06h
TARGET-SPEED
TM
III
Table 7-8 Relative Registers – at Speed Cruise
COUNT
Bank0, 07h
Bits 4-7
TOLERANCE
Bank0, Index 07h
Bits 0-3
Bank0, Index 07h
Bits 4-7
TOLERANCE
Bank0,
0Bh
START-
VALUE
UP
-40-
Bank0,
09h
VALUE
STOP
Pin 90
CPUFANOUT
Bank0, Index 12h
Bit5
Bank0, Index 12h
Bit4
OUTPUT VALUE
KEEP MIN. FAN
Publication Release Date: March 24, 2008
Bank0,
12h, Bit4
OUTPUT
VALUE
KEEP
MIN.
FAN
TM
Mode
Bank0,
0Dh
STOP
TIME
MART
W83627UHG
Bank0,
Index
0Eh
DOWN
STEP-
TIME
F
DOWN
AN
STEP-
TIME
TM
Revision 1.44
III
Bank0,
Index
0Fh
UP TIME
STEP-
UP TIME
STEP-
MART