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NCT7511Y Datasheet Preview

NCT7511Y Datasheet

H/W Monitoring IC

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NCT7511Y
Nuvoton
H/W Monitoring IC
Date: July/2012 Revision: 1.0




nuvoton

NCT7511Y Datasheet Preview

NCT7511Y Datasheet

H/W Monitoring IC

No Preview Available !

NCT7511Y
Table of Content-
1. GENERAL DESCRIPTION ......................................................................................................... 1
2. FEATURES ................................................................................................................................. 1
2.1 Temperature Measurement........................................................................................................1
2.2 Fan Speed Monitoring and Control............................................................................................1
2.3 Event Notification.........................................................................................................................1
2.4 General ........................................................................................................................................1
3. KEY SPECIFICATIONS .............................................................................................................. 2
4. PIN CONFIGURATION ............................................................................................................... 2
5. PIN DESCRIPTION..................................................................................................................... 3
5.1 PIN TYPE DISCRIPTION...........................................................................................................3
5.2 PIN DISCRIPTION......................................................................................................................3
6. FUNCTION DESCRIPTION ........................................................................................................ 4
6.1 GENERAL DESCRIPTION ........................................................................................................4
6.2 ACCESS INTERFACE ...............................................................................................................4
6.2.1
Data write to the internal register..............................................................................4
6.2.2
Data read from the internal register ..........................................................................4
6.3 ADDRESS SETTING..................................................................................................................5
6.4 TEMPERATURE MONITOR DATA FORMAT .........................................................................5
6.4.1
The local temperature (on-die) data with 8-bit 2`s complement format.....................5
6.4.2
The remote temperature data with 11-bit 2`s complement format ............................5
6.5 FAN_IN Count Calculation .........................................................................................................5
6.6 FAN_OUT Duty Cycle Calculation.............................................................................................6
6.7 SMART FANTM IV Control Parameters......................................................................................6
6.7.1
Step Up Time / Step Down Time ..............................................................................6
6.7.2
Fan Output Start-up Value........................................................................................6
6.7.3
Fan Output Nonstop Value .......................................................................................6
6.7.4
Fan Output Stop Time ..............................................................................................6
6.8 SMART FANTM IV........................................................................................................................7
6.9 ALERT# Output ...........................................................................................................................8
6.9.1
ALERT# Output Mechanism .....................................................................................8
6.9.2
ALERT Response Address.......................................................................................9
6.10 T_CRIT# Output ..........................................................................................................................9
6.11 SHDN_SEL............................................................................................................................... 10
6.12 T_CRIT#_SET.......................................................................................................................... 10
7. REGISTER DESCRIPTION ...................................................................................................... 13
7.1 REGISTER MAP ...................................................................................................................... 13
7.2 REGISTER DETAIL................................................................................................................. 16
7.2.1
Remote Diode 1 Temperature Readout Register (MSB) ........................................16
Confidential
July, 2012
- I - Version: 1.0


Part Number NCT7511Y
Description H/W Monitoring IC
Maker nuvoton
Total Page 30 Pages
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