W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 54

• 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

(e.g., 170), fan output increases to make the count lower. If the fan speed count is lower than the low
end (e.g., 150), fan output decreases to make the count higher. One example is illustrated in this
figure.
The following tables show current temperature, fan output value and the relative control registers at
Thermal Cruise
Current CPU
Temperature
Current SYS
Temperature
Current
CPUFANOUT
Output Value
Current
SYSFANOUT
Output Value
SYSFANOUT
CRUISE
DESCRIPTION
SPEED
MODE
TM
TM
TEMPERATURE
Bank0, 05h
Count
and Fan Speed Cruise
TARGET
Fan
output
170
160
150
Bank1, Index
50h ,51h
Bank0, Index
27h
Bank0, Index
03h
Bank0 Index
01h
Table 7-7 Relative Registers – at Thermal Cruise
REGISTER
ADDRESS
Table 7-6 Display Registers – at S
Figure 7-12 Mechanism of Fan Speed Cruise
(%)
100
50
0
Bank0, 07h
Bits0-3
TOLERANCE
A
CPUTIN Temperature
Sensor
SYSTIN Temperature
Sensor
CPUFANOUT Output
Value Select
SYSFANOUT Output
Value Select
TM
REGISTER NAME
mode.
Bank0,
0Ah
START-
VALUE
UP
-39-
C
Bank0,
08h
VALUE
STOP
MART
Publication Release Date: March 24, 2008
Read only
Read only
80h / FFh by
strapping
80h / FFh by
strapping
F
ATTRIBUTE
Bank0,
12h, Bit5
OUTPUT
VALUE
AN
KEEP
MIN.
FAN
TM
TM
I Mode
TM
Mode
Mode
Bank0,
0Ch
STOP
TIME
W83627UHG
8 MSB, 1°C bit 7,
0.5 °C
8 MSB, 1°C
Bits 7-0
CPUFANOUT Value
Bits 7-0
SYSFANOUT Value
Bank0,
0Eh
DOWN
STEP-
TIME
BIT DATA
Revision 1.44
UP TIME
Bank0,
0Fh
STEP-