
W83697HF/F
Publication Release Date: Feb. 2002
- IV - Revision 0.70
9.2.1 LPC interface............................................................................................................................................................82
9.3 ANALOG INPUTS............................................................................................................................................................ 84
9.3.1 Monitor over 4.096V voltage:...............................................................................................................................84
9.3.2 Monitor negative voltage:.....................................................................................................................................85
9.3.3 Temperature Measurement Machine....................................................................................................................86
9.4 FAN SPEED COUNT AND FAN SPEED CONTROL..................................................................................................87
9.4.1 Fan speed count.......................................................................................................................................................87
9.4.2 Fan speed control....................................................................................................................................................89
9.5 SMI# INTERRUPT MODE..............................................................................................................................................90
9.5.1 Voltage SMI# mode :...............................................................................................................................................90
9.5.2 Fan SMI# mode :......................................................................................................................................................90
9.5.3 Temperature SMI# mode.........................................................................................................................................91
9.5.4 The W83697HF temperature sensor 2 and sensor 3 SMI# interrupt has two modes and it is programmed
at CR[4Ch] bit 6......................................................................................................................................................92
9.6 OVT# INTERRUPT MODE..............................................................................................................................................93
9.7 REGISTERS AND RAM................................................................................................................................................... 94
9.7.1 Address Register (Port x5h)...................................................................................................................................94
9.7.2 Data Register (Port x6h)........................................................................................................................................97
9.7.3 Configuration Register Index 40h.....................................................................................................................97
9.7.4 Interrupt Status Register 1Index 41h................................................................................................................98
9.7.5 Interrupt Status Register 2 Index 42h...............................................................................................................98
9.7.6 SMI# Mask Register 1 Index 43h.......................................................................................................................99
9.7.7 SMI# Mask Register 2 Index 44h.......................................................................................................................99
9.7.8 Reserved Register Index 45h...........................................................................................................................100
9.7.9 Chassis Clear Register -- Index 46h ..................................................................................................................100
9.7.10 VID/Fan Divisor Register Index 47h...........................................................................................................100
9.7.11 Value RAM Index 20h- 3Fh or 60h - 7Fh (auto-increment)...................................................................101
9.7.12 Device ID Register - Index 49h.........................................................................................................................102
9.7.13 Pin Control Register - Index 4Bh ....................................................................................................................102
9.7.14 SMI#/OVT# Property Select Register- Index 4Ch ........................................................................................103
9.7.15 FAN IN/OUT and BEEP Control Register- Index 4Dh ................................................................................103
9.7.16 Register 50h ~ 5Fh Bank Select Register - Index 4Eh (No Auto Increase).............................................104
9.7.17 Winbond Vendor ID Register - Index 4Fh (No Auto Increase)..................................................................105
9.7.18 Winbond Test Register -- Index 50h - 55h (Bank 0)....................................................................................105
9.7.19 BEEP Control Register 1-- Index 56h (Bank 0)...........................................................................................105