W83627EHF_0611 Datasheet, PDF (3/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
Table of Contents-
1. GENERAL DESCRIPTION ............................................................................................................... 1
2. FEATURES....................................................................................................................................... 2
3. BLOCK DIAGRAM ............................................................................................................................ 5
4. PIN CONFIGURATION..................................................................................................................... 7
5. PIN DESCRIPTION .......................................................................................................................... 9
5.1 LPC Interface .......................................................................................................................... 9
5.2 FDC Interface ........................................................................................................................ 10
5.3 Multi-Mode Parallel Port........................................................................................................ 11
5.4 Serial Port & Infrared Port Interface...................................................................................... 12
5.5 KBC Interface ........................................................................................................................ 15
5.6 Serial Flash Interface ............................................................................................................ 15
5.7 Hardware Monitor Interface................................................................................................... 16
5.8 Game Port & MIDI Port ......................................................................................................... 17
5.9 ACPI Interface ....................................................................................................................... 19
5.10 General Purpose I/O Port...................................................................................................... 19
5.10.1 GPIO Power Source ..................................................................................................................19
5.10.2 GPIO-1 Interface .......................................................................................................................19
5.10.3 GPIO-2 Interface .......................................................................................................................20
5.10.4 GPIO-3 Interface .......................................................................................................................21
5.10.5 GPIO-4 Interface .......................................................................................................................21
5.10.6 GPIO-5 Interface .......................................................................................................................21
5.10.7 GPIO-6 Interface .......................................................................................................................22
5.10.8 GPIO-1 and GPIO-4 with WDTO# / SUSLED / PLED multi-function .........................................22
5.11 POWER PINS ....................................................................................................................... 22
6. HARDWARE MONITOR ................................................................................................................. 23
6.1 General Description .............................................................................................................. 23
6.2 Access Interface.................................................................................................................... 23
6.2.1 LPC interface.............................................................................................................................23
6.2.2 I²C interface...............................................................................................................................25
6.3 Analog Inputs ........................................................................................................................ 25
6.3.1 Monitor over 2.048V voltage......................................................................................................26
6.3.2 CPUVCORE voltage detection method .....................................................................................27
6.3.3 Temperature Measurement Machine.........................................................................................27
6.4 FAN Speed Count and FAN Speed Control.......................................................................... 28
6.4.1 Fan speed count........................................................................................................................28
6.4.2 Fan speed control......................................................................................................................29
6.5 Smart Fan Control................................................................................................................. 30
6.5.1 Thermal Cruise mode ................................................................................................................30
6.5.2 Fan Speed Cruise mode............................................................................................................32
6.5.3 Manual Control Mode ................................................................................................................32
6.5.4 Smart Fan III Mode ....................................................................................................................37
- II -