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NCT6779D PDF даташит

Спецификация NCT6779D изготовлена ​​​​«novoTon» и имеет функцию, называемую «Nuvoton LPC I/O».

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Номер произв NCT6779D
Описание Nuvoton LPC I/O
Производители novoTon
логотип novoTon логотип 

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NCT6779D Даташит, Описание, Даташиты
NCT6779D
Nuvoton LPC I/O
Date: March 29th, 2012 Revision 1.0
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NCT6779D Даташит, Описание, Даташиты
NCT6779D
Table of Contents
1.  GENERAL DESCRIPTION.........................................................................................................................1 
2.  FEATURES....................................................................................................................................................2 
3.  BLOCK DIAGRAM......................................................................................................................................5 
4.  PIN LAYOUT ................................................................................................................................................6 
5.  PIN DESCRIPTION......................................................................................................................................7 
5.1  LPC INTERFACE .......................................................................................................................................8 
5.2  MULTI-MODE PARALLEL PORT ................................................................................................................8 
5.3  SERIAL PORT INTERFACE........................................................................................................................10 
5.4  KBC INTERFACE ....................................................................................................................................11 
5.5  CIR INTERFACE ......................................................................................................................................11 
5.6  HARDWARE MONITOR INTERFACE .........................................................................................................11 
5.7  INTEL® PECI INTERFACE.......................................................................................................................13 
5.8  ADVANCED CONFIGURATION & POWER INTERFACE...............................................................................13 
5.9  ADVANCED SLEEP STATE CONTROL CONTROL ......................................................................................15 
5.10  PORT 80 MESSAGE DISPLAY & LED CONTROL ......................................................................................15 
5.11  SMBUS INTERFACE ................................................................................................................................15 
5.12  POWER PINS ...........................................................................................................................................16 
5.13  AMD POWER-ON SEQUENCE .................................................................................................................16 
5.14  AMD SB-TSI INTERFACE ......................................................................................................................16 
5.15  DUAL VOLTAGE CONTROL .....................................................................................................................17 
5.16  DSW ......................................................................................................................................................17 
5.17  IR ...........................................................................................................................................................17 
5.18  GENERAL PURPOSE I/O PORT .................................................................................................................17 
5.18.1  GPIO-0 Interface ...........................................................................................................................17 
5.18.2  GPIO-1 Interface ...........................................................................................................................18 
5.18.3  GPIO-2 Interface ...........................................................................................................................19 
5.18.4  GPIO-3 Interface ...........................................................................................................................20 
5.18.5  GPIO-4 Interface ...........................................................................................................................20 
5.18.6  GPIO-5 Interface ...........................................................................................................................21 
5.18.7  GPIO-6 Interface ...........................................................................................................................22 
5.18.8  GPIO-7 Interface ...........................................................................................................................23 
5.18.9  GPIO-8 Interface ...........................................................................................................................23 
5.19  STRAPPING PINS .....................................................................................................................................24 
5.20  INTERNAL PULL-UP, PULL-DOWN PINS ....................................................................................................25 
5.21  STRAPPING MULTI FUNCTION PIN CONTROL ............................................................................................26 
6.  GLUE LOGIC..............................................................................................................................................28 
6.1  ACPI GLUE LOGIC .................................................................................................................................28 
6.2  BKFD_CUT & LATCH_BKFD_CUT ..................................................................................................31 
6.3  3VSBSW# .............................................................................................................................................32 
6.4  PSON# BLOCK DIAGRAM ......................................................................................................................33 
6.5  PWROK.................................................................................................................................................34 
6.6  FRONT PANEL LEDS...............................................................................................................................35 
6.6.1  Automatic Mode.............................................................................................................................35 
6.6.2  Manual Mode.................................................................................................................................36 
6.6.3  S0~S5 LED Blink Block Diagram..................................................................................................36 
6.6.4  LED Pole (LED_POL)...................................................................................................................37 
6.6.5  Deeper Sleeping State Detect Function .........................................................................................38 
6.7  ADVANCED SLEEP STATE CONTROL (ASSC) FUNCTION ........................................................................40 
6.7.1  When ASSC is disabled ..................................................................................................................40 
6.7.2  When ASSC is enabled (Enter into Deeper Sleeping State) ...........................................................41 
6.7.3  When ASSC is enabled (Exit Deeper Sleeping State).....................................................................41 
Publication Release Date: March 29, 2012
-I- version: 1.0
Free Datasheet http://www.Datasheet4U.com









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NCT6779D Даташит, Описание, Даташиты
NCT6779D
6.7.4  SLP_S5#_LATCH Control Function..............................................................................................42 
6.8  INTEL DSW FUNCTION...........................................................................................................................43 
6.8.1  Enter DSW State timing diagram...................................................................................................43 
6.8.2  Exit DSW State timing diagram .....................................................................................................44 
6.8.3  Application Circuit ........................................................................................................................44 
6.9  AMD POWER-ON SEQUENCE .................................................................................................................45 
7.  CONFIGURATION REGISTER ACCESS PROTOCOL.......................................................................47 
7.1  CONFIGURATION SEQUENCE...................................................................................................................49 
7.1.1  Enter the Extended Function Mode ...............................................................................................49 
7.1.2  Configure the Configuration Registers ..........................................................................................49 
7.1.3  Exit the Extended Function Mode..................................................................................................50 
7.1.4  Software Programming Example ...................................................................................................50 
8.  HARDWARE MONITOR ..........................................................................................................................51 
8.1  GENERAL DESCRIPTION..........................................................................................................................51 
8.2  ACCESS INTERFACES ..............................................................................................................................51 
8.3  LPC INTERFACE .....................................................................................................................................51 
8.4  I2C INTERFACE........................................................................................................................................53 
8.5  ANALOG INPUTS .....................................................................................................................................54 
8.5.1  Voltages Over 2.048 V or Less Than 0 V .......................................................................................54 
8.5.2  Voltage Data Format .....................................................................................................................55 
8.5.3  Temperature Data Format.............................................................................................................56 
8.6  PECI.......................................................................................................................................................58 
8.7  FAN SPEED MEASUREMENT AND CONTROL............................................................................................60 
8.7.1  Fan Speed Reading ........................................................................................................................60 
8.7.2  Fan Speed Calculation by Fan Count Reading..............................................................................60 
8.7.3  Fan Speed Calculation by Fan RPM Reading ...............................................................................60 
8.7.4  Fan Speed Control .........................................................................................................................60 
8.7.5  SMART FANTM Control .................................................................................................................62 
8.7.6  Temperature Source & Reading for Fan Control ..........................................................................62 
8.8  SMART FANTM I ...................................................................................................................................63 
8.8.1  Thermal Cruise Mode ....................................................................................................................63 
8.8.2  Speed Cruise Mode ........................................................................................................................65 
8.9  SMART FANTM IV & CLOSE LOOP FAN CONTROL MODE ....................................................................67 
8.9.1  Step Up Time / Step Down Time ....................................................................................................71 
8.9.2  Fan Output Step .............................................................................................................................71 
8.9.3  Revolution Pulse Selection.............................................................................................................72 
8.9.4  Weight Value Control ....................................................................................................................72 
8.10  ALERT AND INTERRUPT ..........................................................................................................................75 
8.10.1  SMI# Interrupt Mode .....................................................................................................................75 
8.10.2  Voltage SMI# Mode .......................................................................................................................75 
8.10.3  Fan SMI# Mode .............................................................................................................................76 
8.10.4  Temperature SMI# Mode ...............................................................................................................76 
8.10.5  OVT# Interrupt Mode ....................................................................................................................80 
8.10.6  Caseopen Detection .......................................................................................................................81 
8.11  POWER MEASUREMENT ..........................................................................................................................82 
9.  HARDWARE MONITOR REGISTER SET ............................................................................................83 
9.1  ADDRESS PORT (PORT X5H) ...................................................................................................................83 
9.2  DATA PORT (PORT X6H) .........................................................................................................................83 
9.3  SYSFANOUT PWM OUTPUT FREQUENCY CONFIGURATION REGISTER – INDEX 00H (BANK 0) ...........84 
9.4  SYSFANOUT OUTPUT VALUE SELECT REGISTER – INDEX 01H (BANK 0)............................................85 
9.5  CPUFANOUT PWM OUTPUT FREQUENCY CONFIGURATION REGISTER – INDEX 02H (BANK 0) ..........85 
9.6  CPUFANOUT OUTPUT VALUE SELECT REGISTER – INDEX 03H (BANK 0) ...........................................86 
9.7  SYSFANOUT CONFIGURATION REGISTER I – INDEX 04H (BANK 0) .....................................................86 
Publication Release Date: March 29, 2012
-II- version: 1.0
Free Datasheet http://www.Datasheet4U.com










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