Intel
®
Pentium
®
Processor N3500-
series, J2850, J2900, and Intel
®
Celeron
®
Processor N2900-series,
N2800-series, J1800-series, J1900,
J1750
Datasheet
November 2014
Revision 004
Document Number: 329670-004
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product specifications and roadmaps
The products described in this document may contain design defects or errors known as errata which may cause the product to
deviate from published specifications. Current characterized errata are available on request.
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damages resulting from such losses.
No computer system can provide absolute security under all conditions. Intel
®
Trusted Execution Technology (Intel
®
TXT) requires
a computer system with Intel
®
Virtualization Technology, an Intel TXT-enabled processor, chipset, BIOS, Authenticated Code
Modules and an Intel TXT-compatible measured launched environment (MLE). The MLE could consist of a virtual machine monitor,
an OS or an application. In addition, Intel TXT requires the system to contain a TPM v1.2, as defined by the Trusted Computing
Group and specific software for some uses. For more information, see
http://www.intel.com/technology/security/
Intel
®
Virtualization Technology requires a computer system with an enabled Intel
®
processor, BIOS, virtual machine monitor
(VMM) and, for some uses, certain computer system software enabled for it. Functionality, performance or other benefits will vary
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Intel
®
High Definition Audio (Intel
®
HD Audio): Requires an Intel
®
HD Audio enabled system. Consult your PC manufacturer for
more information. Sound quality will depend on equipment and actual implementation. For more information about Intel
®
HD
Audio, refer to http://www.intel.com/design/chipsets/hdaudio.htm
Hyper-Threading Technology requires a computer system with a processor supporting HT Technology and an HT Technology-
enabled chipset, BIOS and operating system. Performance will vary depending on the specific hardware and software you use. For
more information including details on which processors support HT Technology, see
htp://www.intel.com/info/hyperthreading.
Enhanced Intel SpeedStep
®
Technology See the
Processor Spec Finder
or contact your Intel representative for more information.
64-bit computing on Intel architecture requires a computer system with a processor, chipset, BIOS, operating system, device
drivers and applications enabled for Intel
®
64 architecture. Performance will vary depending on your hardware and software
configurations. Consult with your system vendor for more information.
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*Other names and brands may be claimed as the property of others.
Copyright © 2014, Intel Corporation. All rights reserved.
2
Datasheet
Contents
1
Introduction
............................................................................................................ 15
1.1
1.2
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
2.17
2.18
2.19
2.20
2.21
2.22
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4
4.1
4.2
4.3
5
6
5.1
6.1
6.2
6.3
Terminology ..................................................................................................... 17
Feature Overview .............................................................................................. 18
Pin States Through Reset ................................................................................... 25
System Memory Controller Interface Signals ......................................................... 26
PCI Express* 2.0 Interface Signals ...................................................................... 27
USB 2.0 Host (EHCI/xHCI) Interface Signals ......................................................... 27
USB 2.0 HSIC Interface Signals ........................................................................... 28
USB 3.0 (xHCI) Host Interface Signals ................................................................. 28
Serial ATA (SATA) 2.0 Interface Signals................................................................ 28
Integrated Clock Interface Signals ....................................................................... 29
Display – Digital Display Interface (DDI) Signals.................................................... 30
Display – VGA Interface Signals .......................................................................... 31
Intel
®
High Definition Audio Interface Signals ....................................................... 31
SPCU – iLB – Real Time Clock (RTC) Interface Signals ............................................ 32
PCU – iLB – Low Pin Count (LPC) Bridge Interface Signals ....................................... 32
PCU – Serial Peripheral Interface (SPI) Signals ...................................................... 33
PCU – System Management Bus (SMBus) Interface Signals ..................................... 33
PCU – Power Management Controller (PMC) Interface Signals.................................. 34
JTAG and Debug Interface Signals ....................................................................... 34
Miscellaneous Signals......................................................................................... 35
GPIO Signals .................................................................................................... 35
Power And Ground Pins ...................................................................................... 40
Hardware Straps ............................................................................................... 42
Configurable IO – GPIO Multiplexing .................................................................... 42
Fixed IO Register Access .................................................................................... 43
Fixed Memory Mapped Register Access ................................................................. 43
IO Referenced Register Access ............................................................................ 43
Memory Referenced Register Access .................................................................... 44
PCI Configuration Register Access........................................................................ 44
Message Bus Register Access .............................................................................. 46
Register Field Access Types ................................................................................ 47
Physical Address Space Mappings ........................................................................ 49
IO Address Space .............................................................................................. 54
PCI Configuration Space ..................................................................................... 56
Features .......................................................................................................... 59
Power Management Features .............................................................................. 61
Power Management States Supported .................................................................. 61
Processor Core Power Management...................................................................... 65
Physical Interfaces
.................................................................................................. 23
Register Access Methods
......................................................................................... 43
Mapping Address Spaces
......................................................................................... 49
Integrated Clock......................................................................................................
58
Power Management
................................................................................................. 61
Datasheet
3
6.4
6.5
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
9
9.1
9.2
10
10.1
10.2
10.3
10.4
10.5
10.6
11
12
11.1
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
13
13.1
13.2
13.3
13.4
13.5
13.6
13.7
Memory Controller Power Management ................................................................ 71
PCI Express* (PCIe*) Power Management ............................................................ 73
Overview .........................................................................................................
Thermal Design Power (TDP) ..............................................................................
Scenario Design Power (SDP) .............................................................................
Thermal Sensors...............................................................................................
Hardware Trips .................................................................................................
Processor Programmable Trips............................................................................
Platform Trips ..................................................................................................
Thermal Throttling Mechanisms ..........................................................................
Thermal Status.................................................................................................
Thermal Specifications.......................................................................................
Storage Conditions............................................................................................
Voltage and Current Specifications ......................................................................
Crystal Specifications ........................................................................................
DC Specifications ..............................................................................................
74
74
75
75
76
76
77
77
77
78
79
80
90
91
Thermal Management
............................................................................................. 74
Electrical Specifications
.......................................................................................... 78
Package Information..............................................................................................107
Processor Attributes .........................................................................................107
Package Diagrams ...........................................................................................108
Features .........................................................................................................109
Platform Identification and CPUID ......................................................................112
References......................................................................................................112
System Memory Controller ................................................................................113
Signal Descriptions ..........................................................................................113
Features .........................................................................................................115
Transaction Router C-Unit PCI Configuration Registers ..........................................119
Features .........................................................................................................123
Processor Graphics Display................................................................................124
Display Pipes...................................................................................................125
Display Physical Interfaces ................................................................................125
References......................................................................................................131
3D Graphics and Video .....................................................................................131
Features .........................................................................................................132
VED (Video Encode/Decode)..............................................................................134
Signal Descriptions ..........................................................................................135
Features .........................................................................................................136
References......................................................................................................138
Register Map ...................................................................................................139
SATA PCI Configuration Registers.......................................................................140
SATA Legacy IO Registers .................................................................................172
SATA Index Pair IO Registers ............................................................................178
Processor Core.......................................................................................................109
Processor Transaction Router
................................................................................118
Graphics, Video, and Display
..................................................................................123
Serial ATA (SATA)
..................................................................................................135
4
Datasheet
13.8
13.9
13.10
13.11
13.12
13.13
13.14
13.15
13.16
13.17
13.18
13.19
13.20
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
15
15.1
15.2
15.3
15.4
15.5
15.6
16
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
17
18
17.1
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
SATA
AHCI Memory Mapped IO Registers ........................................................... 180
Primary Read Command IO Registers ........................................................ 219
Primary Write Command IO Registers ........................................................ 224
Primary Read Control IO Registers............................................................. 226
Primary Write Control IO Registers ............................................................ 227
Secondary Read Command IO Registers..................................................... 228
Secondary Write Command IO Registers .................................................... 233
Secondary Read Control IO Registers......................................................... 235
Secondary Write Control IO Registers ........................................................ 236
Lane 0 Electrical Register Address Map....................................................... 237
Lane 0 Electrical Register Address Map....................................................... 270
Lane 1 Electrical Register Address Map....................................................... 287
Lane 1 Electrical Register Address Map....................................................... 321
USB Host Controller Interfaces (xHCI, EHCI)
......................................................... 338
Signal Descriptions .......................................................................................... 338
USB 3.0 xHCI (Extensible Host Controller Interface)............................................. 340
USB 2.0 Enhanced Host Controller Interface (EHCI) ............................................. 341
References ..................................................................................................... 342
Register Map .................................................................................................. 343
USB xHCI PCI Configuration Registers ................................................................ 344
USB xHCI Memory Mapped I/O Registers ............................................................ 380
Signal Descriptions .......................................................................................... 539
Features ........................................................................................................ 540
References ..................................................................................................... 540
Register Map .................................................................................................. 541
HD Audio PCI Configuration Registers................................................................. 542
HD Audio Memory Mapped I/O Registers ............................................................ 575
Signal Descriptions .......................................................................................... 697
Features ........................................................................................................ 698
Detailed Block Level Description ........................................................................ 700
Software Implementation Considerations ............................................................ 702
Clocks............................................................................................................ 704
SSP (I
2
S) ....................................................................................................... 707
Programming Model......................................................................................... 713
Register Map .................................................................................................. 717
Features ........................................................................................................ 718
Signal Descriptions .......................................................................................... 720
Features ........................................................................................................ 721
References ..................................................................................................... 724
Register Map .................................................................................................. 724
PCI Configuration Registers .............................................................................. 725
PCI Express* PCI Configuration Registers ........................................................... 726
PCI Express* Lane 0 Electrical Address Map ........................................................ 773
PCI Express* Lane 0 Electrical Address Map ........................................................ 805
PCI Express* Lane 1 Electrical Address Map ........................................................ 822
Intel
®
High Definition Audio (Intel
®
HD Audio)
..................................................... 538
Low Power Engine (LPE) for Audio (I
2
S)
............................................................... 697
Intel
®
Trusted Execution Engine (Intel
®
TXE)
....................................................... 718
PCI Express* 2.0
................................................................................................... 720
Datasheet
5
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