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NCT6779D の電気的特性と機能

NCT6779DのメーカーはnovoTonです、この部品の機能は「Nuvoton LPC I/O」です。


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部品番号 NCT6779D
部品説明 Nuvoton LPC I/O
メーカ novoTon
ロゴ novoTon ロゴ 




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NCT6779D Datasheet, NCT6779D PDF,ピン配置, 機能
NCT6779D
Nuvoton LPC I/O
Date: March 29th, 2012 Revision 1.0
Free Datasheet http://www.Datasheet4U.com

1 Page





NCT6779D pdf, ピン配列
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


3Pages


NCT6779D 電子部品, 半導体
NCT6779D
9.113  CPUFANOUT START-UP VALUE REGISTER – INDEX 06H (BANK 2)................................................124 
9.114  CPUFANOUT STOP TIME REGISTER – INDEX 07H (BANK 2) ..........................................................124 
9.115  RESERVED REGISTER – INDEX 08H (BANK 2) ...................................................................................124 
9.116  CPUFANOUT OUTPUT VALUE SELECT REGISTER – INDEX 09H (BANK 2) .....................................124 
9.117  RESERVED REGISTER – INDEX 0AH~0BH (BANK 2) .........................................................................124 
9.118  CPUFANIN TOLERANCE_H / TARGET SPEED_H REGISTER – INDEX 0CH (BANK 2) .......................125 
9.119  RESERVED REGISTER – INDEX 0DH~1FH (BANK 2)..........................................................................125 
9.120  SMART FAN IV CPUFANOUT STEP REGISTER – INDEX 20H (BANK 2) ......................................125 
9.121  CPUFAN (SMART FANTM IV) TEMPERATURE 1 REGISTER(T1) – INDEX 21H (BANK 2)................125 
9.122  CPUFAN (SMART FANTM IV) TEMPERATURE 2 REGISTER(T2) – INDEX 22H (BANK 2)................125 
9.123  CPUFAN (SMART FANTM IV) TEMPERATURE 3 REGISTER(T3) – INDEX 23H (BANK 2)................126 
9.124  CPUFAN (SMART FANTM IV) TEMPERATURE 4 REGISTER(T4) – INDEX 24H (BANK 2)................126 
9.125  RESERVED REGISTER – INDEX 25H~26H (BANK 2)...........................................................................126 
9.126  CPUFAN (SMART FANTM IV) PWM1 REGISTER – INDEX 27H (BANK 2)......................................126 
9.127  CPUFAN (SMART FANTM IV) PWM2 REGISTER – INDEX 28H (BANK 2)......................................127 
9.128  CPUFAN (SMART FANTM IV) PWM3 REGISTER – INDEX 29H (BANK 2)......................................127 
9.129  CPUFAN (SMART FANTM IV) PWM4 REGISTER – INDEX 2AH (BANK 2).....................................127 
9.130  RESERVED REGISTER – INDEX 2BH~30H (BANK 2) .........................................................................127 
9.131  CPUFAN 3-WIRE FAN ENABLE REGISTER – INDEX 31H (BANK 2) .................................................127 
9.132  RESERVED REGISTER – INDEX 32H ~ 34H(BANK 2) ..........................................................................128 
9.133  CPUFAN (SMART FANTM IV) CRITICAL TEMPERATURE REGISTER – INDEX 35H (BANK 2)..........128 
9.134  CPUFAN ENABLE CRITICAL DUTY – INDEX 36H (BANK 2) ............................................................128 
9.135  CPUFAN CRITICAL DUTY REGISTER – INDEX 37H (BANK 2) ..........................................................128 
9.136  CPUFANOUT CRITICAL TEMPERATURE TOLERANCE REGISTER – INDEX 38H (BANK 2) ................129 
9.137  WEIGHT VALUE CONFIGURATION REGISTER – INDEX 39H (BANK 2) ................................................129 
9.138  CPUFANOUT TEMPERATURE STEP REGISTER – INDEX 3AH (BANK 2) ..........................................130 
9.139  CPUFANOUT TEMPERATURE STEP TOLERANCE REGISTER – INDEX 3BH (BANK 2).......................130 
9.140  CPUFANOUT WEIGHT STEP REGISTER – INDEX 3CH (BANK 2) .....................................................130 
9.141  CPUFANOUT TEMPERATURE BASE REGISTER – INDEX 3DH (BANK 2)..........................................131 
9.142  CPUFANOUT TEMPERATURE FAN DUTY BASE REGISTER – INDEX 3EH (BANK 2) ........................131 
9.143  CPUFAN PECIERR DUTY ENABLE REGISTER – INDEX 3FH (BANK 2)..........................................131 
9.144  RESERVED REGISTER – INDEX 40H (BANK 2) ...................................................................................131 
9.145  CPUFANOUT PRE-CONFIGURED REGISTER FOR PECI ERROR – INDEX 41H (BANK 2) ..................131 
9.146  RESERVED REGISTER – INDEX 42H ~ FFH (BANK 1).........................................................................132 
9.147  AUXFAN0 MONITOR TEMPERATURE SOURCE SELECT REGISTER/ STOPDUTY ENABLE REGISTER
INDEX 00H (BANK 3) ........................................................................................................................................132 
9.148  AUXFAN0 TARGET TEMPERATURE REGISTER / AUXFANIN0 TARGET SPEED_L REGISTER – INDEX
01H (BANK 3) ...................................................................................................................................................133 
9.149  AUXFAN0 MODE REGISTER / AUXFAN0 TOLERRANCE REGISTER – INDEX 02H (BANK 3) ....133 
9.150  AUXFANOUT0 STEP UP TIME REGISTER – INDEX 03H (BANK 3) ..................................................134 
9.151  AUXFANOUT0 STEP DOWN TIME REGISTER – INDEX 04H (BANK 3).............................................134 
9.152  AUXFANOUT0 STOP VALUE REGISTER – INDEX 05H (BANK 3) ....................................................134 
9.153  AUXFANOUT0 START-UP VALUE REGISTER – INDEX 06H (BANK 3).............................................134 
9.154  AUXFANOUT0 STOP TIME REGISTER – INDEX 07H (BANK 3) .......................................................135 
9.155  RESERVED REGISTER – INDEX 08H (BANK 3) ...................................................................................135 
9.156  AUXFANOUT0 OUTPUT VALUE SELECT REGISTER – INDEX 09H (BANK 3)...................................135 
9.157  AUXFANIN0 TOLERANCE_H / TARGET SPEED_H REGISTER – INDEX 0CH (BANK 3) ....................135 
9.158  RESERVED REGISTER – INDEX 0DH (BANK 3) ..................................................................................136 
9.159  SMART FAN IV AUXFANOUT0 STEP REGISTER – INDEX 20H (BANK 3) ...................................136 
9.160  AUXFAN0 (SMART FANTM IV) TEMPERATURE 1 REGISTER(T1) – INDEX 21H (BANK 3).............136 
9.161  AUXFAN0 (SMART FANTM IV) TEMPERATURE 2 REGISTER(T2) – INDEX 22H (BANK 3).............136 
9.162  AUXFAN0 (SMART FANTM IV) TEMPERATURE 3 REGISTER(T3) – INDEX 23H (BANK 3).............137 
9.163  AUXFAN0 (SMART FANTM IV) TEMPERATURE 4 REGISTER(T4) – INDEX 24H (BANK 3).............137 
9.164  RESERVED REGISTER – INDEX 25H~26H (BANK 3)...........................................................................137 
9.165  AUXFAN0 (SMART FANTM IV) PWM 1 REGISTER – INDEX 27H (BANK 3) ..................................137 
9.166  AUXFAN0 (SMART FANTM IV) PWM 2 REGISTER – INDEX 28H (BANK 3) ..................................137 
Publication Release Date: March 29, 2012
-V- version: 1.0
Free Datasheet http://www.Datasheet4U.com

6 Page



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部品番号部品説明メーカ
NCT6779D

Nuvoton LPC I/O

novoTon
novoTon


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