NCT6779D PDF даташит
Спецификация NCT6779D изготовлена «novoTon» и имеет функцию, называемую «Nuvoton LPC I/O». |
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Детали детали
Номер произв | NCT6779D |
Описание | Nuvoton LPC I/O |
Производители | novoTon |
логотип |
70 Pages
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NCT6779D
Nuvoton LPC I/O
Date: March 29th, 2012 Revision 1.0
Free Datasheet http://www.Datasheet4U.com
No Preview Available ! |
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
No Preview Available ! |
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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Номер в каталоге | Описание | Производители |
NCT6779D | Nuvoton LPC I/O | novoTon |
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