Intel N2820 User Manuals

Table of Contents

• 1 Introduction

  15
  • 1.1 Terminology

    17
  • 1.2 Feature Overview

    18
• 2 Physical Interfaces

  23
  • 2.1 Pin States Through Reset

    25
  • 2.2 System Memory Controller Interface Signals

    26
  • 2.3 PCI Express* 2.0 Interface Signals

    27
  • 2.4 USB 2.0 Host (EHCI/xHCI) Interface Signals

    27
  • 2.5 USB 2.0 HSIC Interface Signals

    28
  • 2.6 USB 3.0 (xHCI) Host Interface Signals

    28
  • 2.7 Serial ATA (SATA) 2.0 Interface Signals

    28
  • 2.8 Integrated Clock Interface Signals

    29
  • 2.9 Display – Digital Display Interface (DDI) Signals

    30
  • 2.10 Display – VGA Interface Signals

    31
  • 2.11 Intel® High Definition Audio Interface Signals

    31
  • 2.12 SPCU – iLB – Real Time Clock (RTC) Interface Signals

    32
  • 2.13 PCU – iLB – Low Pin Count (LPC) Bridge Interface Signals

    32
  • 2.14 PCU – Serial Peripheral Interface (SPI) Signals

    33
  • 2.15 PCU – System Management Bus (SMBus) Interface Signals

    33
  • 2.16 PCU – Power Management Controller (PMC) Interface Signals

    34
  • 2.17 JTAG and Debug Interface Signals

    34
  • 2.18 Miscellaneous Signals

    35
  • 2.19 GPIO Signals

    35
  • 2.20 Power And Ground Pins

    40
  • 2.21 Hardware Straps

    42
  • 2.22 Configurable IO – GPIO Multiplexing

    42
• 3 Register Access Methods

  43
  • 3.1 Fixed IO Register Access

    43
  • 3.2 Fixed Memory Mapped Register Access

    43
  • 3.3 IO Referenced Register Access

    43
  • 3.4 Memory Referenced Register Access

    44
  • 3.5 PCI Configuration Register Access

    44
  • 3.6 Message Bus Register Access

    46
  • 3.7 Register Field Access Types

    47
• 4 Mapping Address Spaces

  49
  • 4.1 Physical Address Space Mappings

    49
  • 4.2 IO Address Space

    54
  • 4.3 PCI Configuration Space

    56
• 5 Integrated Clock

  58
  • 5.1 Features

    59
• 6 Power Management

  61
  • 6.1 Power Management Features

    61
  • 6.2 Power Management States Supported

    61
  • 6.3 Processor Core Power Management

    65
  • 6.4 Memory Controller Power Management

    71
  • 6.5 PCI Express* (PCIe*) Power Management

    73
• 7 Thermal Management

  74
  • 7.1 Overview

    74
  • 7.2 Thermal Design Power (TDP)

    74
  • 7.3 Scenario Design Power (SDP)

    75
  • 7.4 Thermal Sensors

    75
  • 7.5 Hardware Trips

    76
  • 7.6 Processor Programmable Trips

    76
  • 7.7 Platform Trips

    77
  • 7.8 Thermal Throttling Mechanisms

    77
  • 7.9 Thermal Status

    77
• 8 Electrical Specifications

  78
  • 8.1 Thermal Specifications

    78
  • 8.2 Storage Conditions

    79
  • 8.3 Voltage and Current Specifications

    80
  • 8.4 Crystal Specifications

    90
  • 8.5 DC Specifications

    91
• 9 Package Information

  107
  • 9.1 Processor Attributes

    107
  • 9.2 Package Diagrams

    108
• 10 Processor Core

  109
  • 10.1 Features

    109
  • 10.2 Platform Identification and CPUID

    112
  • 10.3 References

    112
  • 10.4 System Memory Controller

    113
  • 10.5 Signal Descriptions

    113
  • 10.6 Features

    115
• 11 Processor Transaction Router

  118
  • 11.1 Transaction Router C-Unit PCI Configuration Registers

    119
• 12 Graphics, Video, and Display

  123
  • 12.1 Features

    123
  • 12.2 Processor Graphics Display

    124
  • 12.3 Display Pipes

    125
  • 12.4 Display Physical Interfaces

    125
  • 12.5 References

    131
  • 12.6 3D Graphics and Video

    131
  • 12.7 Features

    132
  • 12.8 VED (Video Encode/Decode)

    134
• 13 Serial ATA (SATA)

  135
  • 13.1 Signal Descriptions

    135
  • 13.2 Features

    136
  • 13.3 References

    138
  • 13.4 Register Map

    139
  • 13.5 SATA PCI Configuration Registers

    140
  • 13.6 SATA Legacy IO Registers

    172
  • 13.7 SATA Index Pair IO Registers

    178
  • 13.8 SATA AHCI Memory Mapped IO Registers

    180
  • 13.9 SATA Primary Read Command IO Registers

    219
  • 13.10 SATA Primary Write Command IO Registers

    224
  • 13.11 SATA Primary Read Control IO Registers

    226
  • 13.12 SATA Primary Write Control IO Registers

    227
  • 13.13 SATA Secondary Read Command IO Registers

    228
  • 13.14 SATA Secondary Write Command IO Registers

    233
  • 13.15 SATA Secondary Read Control IO Registers

    235
  • 13.16 SATA Secondary Write Control IO Registers

    236
  • 13.17 SATA Lane 0 Electrical Register Address Map

    237
  • 13.18 SATA Lane 0 Electrical Register Address Map

    270
  • 13.19 SATA Lane 1 Electrical Register Address Map

    287
  • 13.20 SATA Lane 1 Electrical Register Address Map

    321
• 14 USB Host Controller Interfaces (xHCI, EHCI)

  338
  • 14.1 Signal Descriptions

    338
  • 14.2 USB 3.0 xHCI (Extensible Host Controller Interface)

    340
  • 14.3 USB 2.0 Enhanced Host Controller Interface (EHCI)

    341
  • 14.4 References

    342
  • 14.5 Register Map

    343
  • 14.6 USB xHCI PCI Configuration Registers

    344
  • 14.7 USB xHCI Memory Mapped I/O Registers

    380
• 15 Intel® High Definition Audio (Intel® HD Audio)

  538
  • 15.1 Signal Descriptions

    539
  • 15.2 Features

    540
  • 15.3 References

    540
  • 15.4 Register Map

    541
  • 15.5 HD Audio PCI Configuration Registers

    542
  • 15.6 HD Audio Memory Mapped I/O Registers

    575
• 16 Low Power Engine (LPE) for Audio (I2S)

  697
  • 16.1 Signal Descriptions

    697
  • 16.2 Features

    698
  • 16.3 Detailed Block Level Description

    700
  • 16.4 Software Implementation Considerations

    702
  • 16.5 Clocks

    704
  • 16.6 SSP (I2S)

    707
  • 16.7 Programming Model

    713
  • 16.8 Register Map

    717
• 17 Intel® Trusted Execution Engine (Intel® TXE)

  718
  • 17.1 Features

    718
• 18 PCI Express* 2.0

  720
  • 18.1 Signal Descriptions

    720
  • 18.2 Features

    721
  • 18.3 References

    724
  • 18.4 Register Map

    724
  • 18.5 PCI Configuration Registers

    725
  • 18.6 PCI Express* PCI Configuration Registers

    726
  • 18.7 PCI Express* Lane 0 Electrical Address Map

    773
  • 18.8 PCI Express* Lane 0 Electrical Address Map

    805
  • 18.9 PCI Express* Lane 1 Electrical Address Map

    822
  • 18.10 PCI Express* Lane 1 Electrical Address Map

    853
  • 18.11 PCI Express* Lane 2 Electrical Address Map

    870
  • 18.12 PCI Express* Lane 2 Electrical Address Map

    901
  • 18.13 PCI Express* Lane 3 Electrical Address Map

    918
  • 18.14 PCI Express* Lane 3 Electrical Address Map

    949
• 19 Platform Controller Unit (PCU) Overview

  966
  • 19.1 Features

    966
  • 19.2 PCU iLB LPC Port 80h I/O Registers

    969
• 20 PCU – Power Management Controller (PMC)

  978
  • 20.1 Signal Descriptions

    978
  • 20.2 Features

    980
  • 20.3 USB Per-Port Register Write Control

    987
  • 20.4 References

    988
  • 20.5 PCU PMC Memory Mapped I/O Registers

    989
  • 20.6 PCU PMC IO Registers

    1023
  • 20.7 PCU iLB PMC I/O Registers

    1026
• 21 PCU – Serial Peripheral Interface (SPI)

  1044
  • 21.1 Signal Descriptions

    1044
  • 21.2 Features

    1045
  • 21.3 Use

    1058
  • 21.4 PCU SPI for Firmware Memory Mapped I/O Registers

    1060
• 22 PCU – Universal Asynchronous Receiver/Transmitter (UART)

  1096
  • 22.1 Signal Descriptions

    1096
  • 22.2 Features

    1097
  • 22.3 Use

    1099
  • 22.4 UART Enable/Disable

    1099
  • 22.5 Register Map

    1100
  • 22.6 IO Mapped Registers

    1100
  • 22.7 PCU iLB UART IO Registers

    1101
• 23 PCU – System Management Bus (SMBus)

  1110
  • 23.1 Signal Descriptions

    1110
  • 23.2 Features

    1111
  • 23.3 Use

    1117
  • 23.4 References

    1118
  • 23.5 Register Map

    1118
  • 23.6 PCU SMBus PCI Configuration Registers

    1120
  • 23.7 PCU SMBus Memory Mapped I/O Registers

    1135
  • 23.8 PCU SMBus I/O Registers

    1146
• 24 PCU – Intel® Legacy Block (iLB) Overview

  1159
  • 24.1 Signal Descriptions

    1159
  • 24.2 Features

    1160
  • 24.3 PCU iLB Interrupt Decode and Route

    1162
• 25 PCU – iLB – Low Pin Count (LPC) Bridge

  1201
  • 25.1 Signal Descriptions

    1201
  • 25.2 Features

    1202
  • 25.3 Use

    1207
  • 25.4 References

    1208
  • 25.5 Register Map

    1208
  • 25.6 PCU iLB Low Pin Count (LPC) Bridge PCI Configuration Registers

    1210
  • 25.7 PCU iLB LPC BIOS Control Memory Mapped I/O Registers

    1230
• 26 PCU – iLB – Real Time Clock (RTC)

  1231
  • 26.1 Signal Descriptions

    1231
  • 26.2 Features

    1232
  • 26.3 Interrupts

    1233
  • 26.4 References

    1234
  • 26.5 Register Map

    1234
  • 26.6 IO Mapped Registers

    1235
  • 26.7 Indexed Registers

    1235
  • 26.8 PCU iLB Real Time Clock (RTC) I/O Registers

    1237
• 27 PCU – iLB – 8254 Timers

  1239
  • 27.1 Signal Descriptions

    1239
  • 27.2 Features

    1239
  • 27.3 Use

    1240
  • 27.4 Register Map

    1243
  • 27.5 IO Mapped Registers

    1243
  • 27.6 PCU iLB 8254 Timers IO Registers

    1244
• 28 PCU – iLB – High Precision Event Timer (HPET)

  1250
  • 28.1 Features

    1250
  • 28.2 References

    1252
  • 28.3 Register Map

    1252
  • 28.4 Memory Mapped Registers

    1252
  • 28.5 PCU iLB High Performance Event Timer (HPET) Memory Mapped IO Registers

    1253
• 29 PCU – iLB – GPIO

  1262
  • 29.1 Signal Descriptions

    1262
  • 29.2 Features

    1262
  • 29.3 Use

    1263
  • 29.4 Register Map

    1264
  • 29.5 GPIO Registers

    1264
• 30 PCU – iLB – Interrupt Decoding and Routing

  1266
  • 30.1 Features

    1266
• 31 PCU – iLB – IO APIC

  1268
  • 31.1 Features

    1268
  • 31.2 Use

    1270
  • 31.3 References

    1270
  • 31.4 Indirect I/O APIC Registers

    1271
  • 31.5 PCU iLB IO APIC Memory Mapped I/O Registers

    1272
• 32 PCU – iLB – 8259 Programmable Interrupt Controllers (PIC)

  1274
  • 32.1 Features

    1274
  • 32.2 IO Mapped Registers

    1281
  • 32.3 PCU iLB 8259 Interrupt Controller (PIC) I/O Registers

    1283