NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 57

• Manufacturer Part Number: NCT6627UD
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of NCT6627UD

• Lead Free Status / Rohs Status: Supplier Unconfirmed

The algorithm is as follows:
(1) The target temperature, temperature tolerance, maximum and minimum fan outputs and step are set.
(2) The following figure shows the initial conditions. If the current temperature is within (Target Temperature ±
(3) If the current temperature is higher than (Target Temperature + Temperature Tolerance), fan speed rises one
Temperature Tolerance), the fan speed remains constant.
step. The step is the value in the CPUFANOUT Output Value Select Register, Bank0, Index 03h. In addition,
the target temperature shifts to (Target Temperature + Temperature Tolerance), creating a new target
temperature, named Target Temperature 1 in this figure.
Max. Fan Output
Max. Fan Output
Max. Fan Output
(DC / PWM)
(DC / PWM)
(DC / PWM)
Min. Fan Output
Min. Fan Output
Min. Fan Output
Fan output
Fan output
Fan output
Figure 7-13 FANOUT and Corresponding Temperature Sensor in S
CPUTIN
PECI_Agent1
PECI_Agent2
PECI_Agent3
PECI_Agent4
Figure 7-14 Setting of S
Tar. - Tol.
Tar. - Tol.
Tar. - Tol.
Setting
Setting
Setting
Pin 90
CPUFANOUT
MART
-48-
Tolerance
Tolerance
Tolerance
Tar. + Tol.
Tar. + Tol.
Tar. + Tol.
W83627UHG/NCT6627UD
F
AN
TM
Publication Release Date: October 26, 2010
III
MART
Temperature
Temperature
F
AN
TM
III
Revision 1.7