W83627EG Nuvoton Technology Corporation of America, W83627EG Datasheet - Page 3

• Manufacturer Part Number: W83627EG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EG

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

7.
7.1
7.2
7.3
7.4
7.5
7.6
7.7
6.1.4
HARDWARE MONITOR ........................................................................................................... 33
7.2.1
7.2.2
7.3.1
7.3.2
7.3.3
7.4.1
7.4.2
7.6.1
7.6.2
7.6.3
7.6.4
7.7.1
7.7.2
7.7.3
General Description ............................................................................................................ 33
Access Interface ................................................................................................................. 34
7.2.2.1.
Analog Inputs ...................................................................................................................... 36
7.3.3.1.
7.3.3.2.
FAN Speed Count and FAN Speed Control ....................................................................... 40
7.4.2.1.
7.4.2.2.
Conversion Sequence and Conversion Time ..................................................................... 41
Smart Fan Control............................................................................................................... 43
SMI# interrupt mode ........................................................................................................... 54
7.7.3.1.
7.7.3.2.
Software Programming Example......................................................................................31
LPC interface ...................................................................................................................34
I
Serial bus (I
Monitor over 2.048V voltage ............................................................................................37
CPUVCORE voltage detection method............................................................................38
Temperature Measurement Machine ...............................................................................38
Monitor temperature from thermistor.................................................................................................. 39
Monitor temperature from Pentium II
Fan speed count ..............................................................................................................40
Fan speed control ............................................................................................................41
PWM Duty Cycle Output .................................................................................................................... 41
DC Voltage Output ............................................................................................................................. 41
Thermal Cruise mode.......................................................................................................43
Fan Speed Cruise mode ..................................................................................................45
Manual Control Mode.......................................................................................................46
Smart Fan
Voltage SMI# mode..........................................................................................................54
Fan SMI# mode................................................................................................................54
Temperature SMI# mode .................................................................................................55
Temperature sensor 1(SYSTIN) SMI# interrupt has 3 modes ........................................................... 55
Temperature sensor 2(CPUTIN) and sensor 3(AUXTIN) SMI# interrupt has two modes .................. 57
2
C interface .....................................................................................................................35
TM
2
C) access timing ............................................................................................................ 36
III Mode .......................................................................................................51
- II -
W83627EHF/EF, W83627EHG/EG
TM
/Pentium III
TM
thermal diode .................................................. 39