W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 57

• 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

(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
(3) If the current temperature is higher than (Target Temperature + Temperature Tolerance), fan
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
set.
Temperature ± Temperature Tolerance), the fan speed remains constant.
speed rises one 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.
Tar. - Tol.
Tar. - Tol.
Tar. - Tol.
Figure 7-14 Setting of S
Setting
Setting
Setting
-46-
MART
Tolerance
Tolerance
Tolerance
Tar. + Tol.
Tar. + Tol.
Tar. + Tol.
F
AN
TM
III
W83627UHG
Temperature
Temperature