W83627THF_06 Datasheet, PDF (3/142 Pages) Winbond – Winbond LPC I/O

W83627THF/W83627THG
Table of Contents-
1. GENERAL DESCRIPTION................................................................................................................. 1
2. FEATURES ........................................................................................................................................ 3
3. PIN DESCRIPTION............................................................................................................................ 8
3.1 LPC Interface ........................................................................................................................... 9
3.2 FDC Interface......................................................................................................................... 10
3.3 Multi-Mode Parallel Port......................................................................................................... 11
3.4 Serial Port Interface ............................................................................................................... 13
3.5 KBC Interface......................................................................................................................... 14
3.6 Hardware Monitor Interface ................................................................................................... 14
3.7 Game Port.............................................................................................................................. 15
3.8 General Purpose I/O Port ...................................................................................................... 15
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
3.9 POWER PINS ........................................................................................................................ 18
3.10 GPIO PIN Power Source ....................................................................................................... 18
4. GENERAL PURPOSE I/O................................................................................................................ 19
5. HARDWARE MONITOR .................................................................................................................. 21
5.1 General Description ............................................................................................................... 21
5.2 Access Interface..................................................................................................................... 21
5.3 Analog Inputs ......................................................................................................................... 23
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 FAN Speed Count and FAN Speed Control .......................................................................... 26
5.4.1 Fan speed count ..............................................................................................................................26
5.4.2 Fan speed control ............................................................................................................................28
5.5 SmartFan^TM 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 SMI# interrupt 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
5.7 OVT# interrupt mode.............................................................................................................. 34
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