W83627EHF Datasheet, PDF (3/141 Pages) Winbond – evolving product from Winbonds most popular I/O family

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................................................................................... 13
5.5 KBC Interface..................................................................................................................... 15
5.6 Serial Flash Interface ......................................................................................................... 15
5.7 Hardware Monitor Interface ............................................................................................... 15
5.8 Game Port & MIDI Port ...................................................................................................... 18
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 ................................................................................................................20
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 ..................................................................................................................... 26
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 ...................................................................... 29
6.4.1 Fan speed count.................................................................................................................29
6.4.2 Fan speed control...............................................................................................................30
6.5 Smart Fan Control.............................................................................................................. 31
6.5.1 Thermal Cruise mode .........................................................................................................31
6.5.2 Fan Speed Cruise mode.....................................................................................................32
6.5.3 Manual Control Mode .........................................................................................................33
6.5.4 Smart Fan III Mode.............................................................................................................38
6.6 SMI# interrupt mode .......................................................................................................... 39
-II-