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W83783S Datasheet(PDF) 3 Page - Winbond |
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W83783S Datasheet(HTML) 3 Page - Winbond |
3 / 10 page W83783S Preliminary Publication Release Date: April 1999 - I - Version 0.55 TABLE OF CONTENTS 1. GENERAL DESCRIPTION .......................................................................................................................1 2. FEATURES .....................................................................................................Error! Bookmark not defined. 2.1 Monitoring Items ...................................................................................................................................2 2.2 Actions Enabling ...................................................................................................................................2 2.3 General ..................................................................................................................................................2 2.4 Package .................................................................................................................................................2 3. KEY SPECIFICATIONS ............................................................................................................................3 4. PIN CONFIGURATION.............................................................................................................................3 5. PIN DESCRIPTION....................................................................................................................................4 6. FUNCTIONAL DESCRIPTION.................................................................................................................6 6.1 General Description ...............................................................................................................................6 6.2 Access Interface .....................................................................................................................................6 6.2.1 The first serial bus access timing are shown as follow: .....................................................................6 6.2.2 The serial bus timing of the temperature 2 and 3 is shown as follow:................................................7 6.3 Analog Inputs ......................................................................................................................................10 6.3.1 Monitor over 4.096V voltage:.........................................................................................................11 6.3.2 Monitor negative voltage: ..............................................................................................................12 6.3.3 Monitor temperature from thermistor:............................................................................................13 6.3.4 Monitor temperature from Pentium II TM thermal diode or bipolar transistor 2N3904 .....................13 6.4 FAN Speed Count and FAN Speed Control ..........................................................................................14 6.4.1 Fan speed count .............................................................................................................................14 6.4.2 Fan speed control...........................................................................................................................15 6.5 Temperature Measurement Machine ....................................................................................................16 6.5.1 The W83783S temperature sensor 2 SMI# interrupt has two modes: ...............................................17 6.5.2 The W83783S temperature sensor 1 SMI# interrupt has three modes..............................................18 6.5.3 The W83783S temperature sensor 1 Over-Temperature (OVT#) has three modes............................19 6.6 Voltage and Fan SMI# mode :..............................................................................................................20 6.6.1 Voltage SMI# mode :......................................................................................................................20 6.6.2 Fan SMI# mode :............................................................................................................................20 |
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