W83L786R Просмотр технического описания (PDF) - Winbond

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Компоненты Описание

производитель

W83L786R

H/W Monitoring IC

Winbond 

W83L786R/ W83L786G

Table of Contents-

1. GENERAL DESCRIPTION ......................................................................................................... 1

2. FEATURES ................................................................................................................................. 2

2.1 Monitoring Items............................................................................................................... 2

2.1.1 Temperature.....................................................................................................................2

2.1.2 Voltage .............................................................................................................................2

2.1.3 Fan ...................................................................................................................................2

2.2 Actions Enabling............................................................................................................... 2

2.3 General............................................................................................................................. 2

2.4 Package............................................................................................................................ 2

3. KEY SPECIFICATIONS .............................................................................................................. 3

4. BLOCK DIAGRAM ...................................................................................................................... 4

5. PIN CONFIGURATION ............................................................................................................... 5

6. PIN DESCRIPTION..................................................................................................................... 6

7. FUNCTIONAL DESCRIPTION.................................................................................................... 9

7.1 General Description.......................................................................................................... 9

7.2 Access Interface............................................................................................................... 9

7.3 The First Serial Bus Access Timing ................................................................................. 9

7.4 Analog Inputs.................................................................................................................. 10

7.4.1 Voltage Input can not be over 2.048V ............................................................................11

7.4.2 Voltage Fault (VOLTAGE_FAULT #)..............................................................................11

7.5 Temperature Measurement Machine ............................................................................. 12

7.5.1 Monitor Temperature from Thermistor............................................................................12

7.5.2 Monitor Temperature from Thermal Diode .....................................................................12

7.5.3 Temperature Fault (TEMP_FAULT #) ............................................................................13

7.6 FAN Speed Count and FAN Speed Control................................................................... 13

7.6.1 Fan Speed Count ...........................................................................................................13

7.6.2 Fan Speed Control .........................................................................................................15

7.6.3 SMART FANTM I Control ...............................................................................................17

7.6.4 SMART FANTM II Control ..............................................................................................18

7.6.5 Fan Fault (FAN_FAULT #) .............................................................................................20

7.7 Fault Signal—INT# ......................................................................................................... 20

7.7.1 Temperature...................................................................................................................20

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