w83627thg Winbond Electronics Corp America, w83627thg Datasheet - Page 3

• Manufacturer Part Number: w83627thg
• Description: Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

Table of Contents-
1. GENERAL DESCRIPTION................................................................................................................. 1
2. FEATURES ........................................................................................................................................ 3
3. PIN DESCRIPTION............................................................................................................................ 8
4. GENERAL PURPOSE I/O................................................................................................................ 19
5. HARDWARE MONITOR .................................................................................................................. 21
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10 GPIO PIN Power Source ....................................................................................................... 18
5.1
5.2
5.3
5.4
5.5
5.6
5.7
3.8.1 General Purpose I/O Port 1 (Power source is Vcc)..........................................................................15
3.8.2 General Purpose I/O Port 2 (Power source is Vcc)..........................................................................16
3.8.3 General Purpose I/O Port 3, 4 (Power source is VSB) ....................................................................16
3.8.4 General Purpose I/O Port 5 (Power source is VCC) ........................................................................17
5.3.1 Monitor over 4.096V voltage: ...........................................................................................................24
5.3.2 CPUVCORE voltage detection method: ..........................................................................................24
5.3.3 Temperature Measurement Machine...............................................................................................25
5.4.1 Fan speed count ..............................................................................................................................26
5.4.2 Fan speed control ............................................................................................................................28
5.5.1 Thermal Cruise mode ......................................................................................................................29
5.5.2 Fan Speed Cruise mode..................................................................................................................30
5.5.3 Manual Control Mode ......................................................................................................................31
5.6.1 Voltage SMI# mode : .......................................................................................................................31
5.6.2 Fan SMI# mode : .............................................................................................................................31
5.6.3 The W83627THF temperature sensor 1(SYSTIN) SMI# interrupt has 3 modes: .............................32
5.6.4 The W83627THF temperature sensor 2(CPUTIN) and sensor 3(AUXTIN) SMI# interrupt has two
modes and it is programmed at CR[4Ch] bit 6. ...........................................................................................33
LPC Interface ........................................................................................................................... 9
FDC Interface......................................................................................................................... 10
Multi-Mode Parallel Port......................................................................................................... 11
Serial Port Interface ............................................................................................................... 13
KBC Interface......................................................................................................................... 14
Hardware Monitor Interface ................................................................................................... 14
Game Port.............................................................................................................................. 15
General Purpose I/O Port ...................................................................................................... 15
POWER PINS ........................................................................................................................ 18
General Description ............................................................................................................... 21
Access Interface..................................................................................................................... 21
Analog Inputs ......................................................................................................................... 23
FAN Speed Count and FAN Speed Control .......................................................................... 26
SmartFan
SMI# interrupt mode............................................................................................................... 31
OVT# interrupt mode.............................................................................................................. 34
TM
Control ............................................................................................................... 28
- II -
W83627THF/W83627THG