W83697HG Datasheet, PDF (2/109 Pages) Winbond – WINBOND LPC I/O

W83697HF/ HG
Table of Content-
1. GENERAL DESCRIPTION ......................................................................................................... 1
2. FEATURES ................................................................................................................................. 2
3. BLOCK DIAGRAM FOR W83697HF .......................................................................................... 5
4. PIN CONFIGURATION FOR W83697HF................................................................................... 6
5. PIN DESCRIPTION.................................................................................................................... 7
5.1 LPC Interface .................................................................................................................. 8
5.2 FDC Interface ................................................................................................................. 9
5.3 Multi-Mode Parallel Port ............................................................................................... 10
5.4 Serial Port Interface ...................................................................................................... 15
5.5 Infrared Port .................................................................................................................. 16
5.6 Flash ROM Interface..................................................................................................... 16
5.7 Hardware Monitor Interface .......................................................................................... 17
5.8 Game Port & MIDI Port................................................................................................. 18
5.9 POWER PINS ............................................................................................................... 19
6. HARDWARE MONITOR ........................................................................................................... 20
6.1 General Description ...................................................................................................... 20
6.2 Access Interface ........................................................................................................... 20
6.2.1 LPC interface..................................................................................................................20
6.3 Analog Inputs ................................................................................................................ 22
6.3.1 Monitor over 4.096V voltage:..........................................................................................23
6.3.2 Monitor negative voltage:................................................................................................23
6.3.3 Temperature Measurement Machine..............................................................................24
6.4 FAN Speed Count and FAN Speed Control ................................................................. 25
6.4.1 Fan speed count.............................................................................................................25
6.4.2 Fan speed control...........................................................................................................27
6.5 SMI# interrupt mode ..................................................................................................... 28
6.5.1 Voltage SMI# mode : ......................................................................................................28
6.5.2 Fan SMI# mode : ............................................................................................................28
6.5.3 The W83697HF temperature sensor 1 SMI# interrupt has two modes: ..........................29
6.5.4 The W83697HF temperature sensor 2 SMI# interrupt has two modes and it is
programmed at CR[4Ch] bit 6. ...................................................................................................30
6.6 OVT# interrupt mode .................................................................................................... 31
6.6.1 The W83697HF temperature sensor 2 Over-Temperature (OVT#) has the following
modes 31
6.7 REGISTERS AND RAM ............................................................................................... 32
7. CONFIGURATION REGISTER ................................................................................................ 62
- ii -