Intel
®
IXP45X and Intel
®
IXP46X Product
Line of Network Processors
Datasheet
Product Features
For a complete list of product features, see
“Product Features” on page 9.
This document
describes in full the features of the silicon. Some of these features require enabling software
supplied by Intel. Please refer to the
Intel
®
IXP400 Software Programmer’s Guide
for
information on which features are enabled at this time.
These features do
not
require enabling
software
•
Intel XScale
®
Core — Up to 667 MHz
•
PCI v. 2.2 33/66 MHz (Host/Option)
•
USB 1.1 Device Controller
•
USB 2.0 Host Controller
•
DDRI SDRAM Interface
•
Master/Target Capable Expansion bus
•
Two UARTs
•
Internal Bus Performance Monitoring Unit
•
16 GPIO
•
Four Internal Timers
•
Synchronous Serial Protocol (SSP) Port
•
I
2
C Interface
•
Spread Spectrum clocking for Reduced
EMI
•
Packaging
— 544-Pin PBGA
— Commercial/Extended Temperature
— Lead-Free Support
These features require enabling software.
For information on which features are
enabled at this time, see the
Intel
®
IXP400
Software Programmer’s Guide.
•
Cryptography Unit (Random Number
Generator and Exponentiation Unit)
•
Encryption/Authentication (AES/
AES-CCM/3DES/DES/SHA-1/SHA-256/
SHA-384/SHA-512/MD-5)
•
Two High-Speed, Serial Interfaces
•
Three Network Processor Engines
•
Up to three MII Interfaces
•
Up to six SMII Interfaces
•
Up to one UTOPIA Level 2 Interface
•
IEEE-1588 Hardware Assist
Typical Applications
•
•
•
•
•
•
Small-to-Medium Business Router
Industrial Controllers
Modular Router
Access Points (802.11a/b/g)
Network-Attached Storage
Wired/Wireless RFID Readers
•
•
•
•
•
•
VoIP Integrated Access Device (IAD)
Video IP Telephones
Security Gateway/Router
Network Printers
Control Plane
Mini-DSLAM
Document Number:
306261-002
May 2005
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY
ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN
INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS
ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES
RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER
INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling
1-800-548-4725 or by visiting Intel's website at http://www.intel.com.
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i960, iCOMP, InstantIP, Intel, Intel Centrino, Intel logo, Intel386, Intel486, Intel740, IntelDX2, IntelDX4, IntelSX2, Intel Create & Share, Intel GigaBlade,
Intel InBusiness, Intel Inside, Intel Inside logo, Intel NetBurst, Intel NetMerge, Intel NetStructure, Intel Play, Intel Play logo, Intel SingleDriver, Intel
SpeedStep, Intel StrataFlash, Intel TeamStation, Intel Xeon, Intel XScale, IPLink, Itanium, MCS, MMX, MMX logo, Optimizer logo, OverDrive,
Paragon, PC Dads, PC Parents, PDCharm, Pentium, Pentium II Xeon, Pentium III Xeon, Performance at Your Command, RemoteExpress, SmartDie,
Solutions960, Sound Mark, StorageExpress, The Computer Inside., The Journey Inside, TokenExpress, VoiceBrick, VTune, and Xircom are
trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
*Other names and brands may be claimed as the property of others.
Copyright © 2005, Intel Corporation
May 2005
2
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
306261-002
Contents
Contents
1.0
Product Features
........................................................................................................................... 9
1.1
1.2
2.0
3.0
Product Line Features .......................................................................................................... 9
Model-Specific Features .....................................................................................................14
About This Document
................................................................................................................. 15
Functional Overview
................................................................................................................... 15
3.1
Key Functional Units ...........................................................................................................19
3.1.1 Network Processor Engines (NPEs) ...................................................................... 19
3.1.2 Internal Bus............................................................................................................ 21
3.1.2.1 North AHB ..............................................................................................21
3.1.2.2 South AHB ............................................................................................. 21
3.1.2.3 Memory Port Interface ........................................................................... 22
3.1.2.4 APB Bus................................................................................................. 22
3.1.3 MII/SMII Interfaces................................................................................................. 22
3.1.4 UTOPIA Level 2 ..................................................................................................... 23
3.1.5 USB 1.1 Device Interface ...................................................................................... 23
3.1.6 USB 2.0 Host Interface .......................................................................................... 23
3.1.7 PCI Controller ........................................................................................................ 24
3.1.8 DDRI SDRAM Controller........................................................................................ 24
3.1.9 Expansion Interface ............................................................................................... 26
3.1.9.1 Expansion Bus Legacy Mode of Operation............................................ 27
3.1.9.2 Expansion Bus Enhanced Mode of Operation ....................................... 27
3.1.10 High-Speed, Serial Interfaces ................................................................................ 28
3.1.11 UARTs ................................................................................................................... 28
3.1.12 GPIO ...................................................................................................................... 28
3.1.13 Internal Bus Performance Monitoring Unit (IBPMU) .............................................. 29
3.1.14 Interrupt Controller ................................................................................................. 29
3.1.15 Timers .................................................................................................................... 30
3.1.16 IEEE 1588 Hardware Assistance........................................................................... 30
3.1.17 Synchronous Serial Port Interface ......................................................................... 30
3.1.18 I2C Interface .......................................................................................................... 31
3.1.19 AES/DES/SHA/MD-5 ............................................................................................. 31
3.1.20 Cryptography Unit .................................................................................................. 31
3.1.21 Queue Manager ..................................................................................................... 32
Intel XScale
®
Core .............................................................................................................. 33
3.2.1 Super Pipeline ....................................................................................................... 34
3.2.2 Branch Target Buffer ............................................................................................. 35
3.2.3 Instruction Memory Management Unit ................................................................... 35
3.2.4 Data Memory Management Unit ............................................................................ 36
3.2.5 Instruction Cache ................................................................................................... 36
3.2.6 Data Cache ............................................................................................................ 37
3.2.7 Mini-Data Cache .................................................................................................... 37
3.2.8 Fill Buffer and Pend Buffer..................................................................................... 37
3.2.9 Write Buffer ............................................................................................................ 38
3.2.10 Multiply-Accumulate Coprocessor ......................................................................... 38
3.2.11 Performance Monitoring Unit ................................................................................. 39
3.2
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
306261-002
May 2005
3
Contents
3.2.12 Debug Unit............................................................................................................. 39
4.0
Package Information
................................................................................................................... 40
4.1
Package Description........................................................................................................... 40
4.1.1 Package Drawings................................................................................................. 40
4.1.2 Package Markings ................................................................................................. 43
4.1.3 Part Numbers......................................................................................................... 44
Functional Signal Definitions .............................................................................................. 46
Signal-Pin Descriptions....................................................................................................... 89
Package Thermal Specifications ...................................................................................... 114
Absolute Maximum Ratings .............................................................................................. 115
V
CCPLL1
, V
CCPLL2
, V
CCPLL3
, V
CCOSCP
, V
CCOSC
Pin Requirements ................................. 116
5.2.1 V
CCPLL1
Requirement .......................................................................................... 116
5.2.2 V
CCPLL2
Requirement .......................................................................................... 116
5.2.3 V
CCPLL3
Requirement .......................................................................................... 117
5.2.4 V
CCOSCP
Requirement ........................................................................................ 117
5.2.5 V
CCOSC
Requirement .......................................................................................... 118
RCOMP Pin Requirements............................................................................................... 119
DDRI_RCOMP Pin Requirements .................................................................................... 119
DC Specifications ............................................................................................................. 120
5.5.1 Operating Conditions ........................................................................................... 120
5.5.2 PCI DC Parameters ............................................................................................. 120
5.5.3 USB 1.1 DC Parameters...................................................................................... 121
5.5.4 UTOPIA Level 2 DC Parameters ......................................................................... 121
5.5.5 MII/SMII DC Parameters...................................................................................... 122
5.5.6 MDI DC Parameters ............................................................................................ 122
5.5.7 DDRI SDRAM Bus DC Parameters ..................................................................... 122
5.5.8 Expansion Bus DC Parameters ........................................................................... 123
5.5.9 High-Speed, Serial Interface 0 DC Parameters................................................... 124
5.5.10 High-Speed, Serial Interface 1 DC Parameters................................................... 124
5.5.11 UART DC Parameters ......................................................................................... 124
5.5.12 Serial Peripheral Interface DC parameters.......................................................... 125
5.5.13 I2C Interface DC Parameters .............................................................................. 125
5.5.14 GPIO DC Parameters .......................................................................................... 126
5.5.15 JTAG DC Parameters.......................................................................................... 126
5.5.16 Reset DC Parameters.......................................................................................... 126
5.5.17 All Remaining I/O DC Parameters ....................................................................... 127
AC Specifications.............................................................................................................. 127
5.6.1 Clock Signal Timings ........................................................................................... 127
5.6.1.1 Processors’ Clock Timings................................................................... 127
5.6.1.2 PCI Clock Timings ............................................................................... 128
5.6.1.3 MII/SMII Clock Timings ........................................................................ 129
5.6.1.4 UTOPIA Level 2 Clock Timings ........................................................... 129
5.6.1.5 Expansion Bus Clock Timings ............................................................. 129
5.6.2 Bus Signal Timings .............................................................................................. 130
5.6.2.1 PCI ....................................................................................................... 130
5.6.2.2 USB 1.1 Interface................................................................................. 131
5.6.2.3 UTOPIA Level 2 ................................................................................... 132
5.6.2.4 MII/SMII................................................................................................ 133
4.2
4.3
4.4
5.0
5.1
5.2
Electrical Specifications
........................................................................................................... 115
5.3
5.4
5.5
5.6
May 2005
4
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
306261-002
Contents
5.7
5.8
5.9
5.6.2.5 MDIO....................................................................................................136
5.6.2.6 DDRI SDRAM Bus ...............................................................................137
5.6.2.7 Expansion Bus .....................................................................................140
5.6.2.8 Serial Peripheral Port Interface Timing ................................................156
5.6.2.9 I2C Interface Timing.............................................................................157
5.6.2.10 High-Speed, Serial Interfaces ..............................................................158
5.6.2.11 JTAG ....................................................................................................160
5.6.3 Reset Timings ......................................................................................................161
Power Sequence ..............................................................................................................162
Power Dissipation .............................................................................................................163
Ordering Information .........................................................................................................163
Figures
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Intel
®
IXP465 Network Processor Block Diagram ...................................................................... 16
Intel
®
IXP460 Network Processor Block Diagram ...................................................................... 17
Intel
®
IXP455 Network Processor Block Diagram ...................................................................... 18
Intel XScale
®
Core Block Diagram ............................................................................................. 34
544-Pin Lead PBGA Package — First of Two Drawings ............................................................ 41
544-Pin Lead PBGA Package — Second of Two Drawings....................................................... 42
Package Markings:
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors—
Extended and Commercial Temperature, Lead-Free / Compliant with Standard for
Restriction on the Use of Hazardous Substances (RoHS) ......................................................... 43
Package Markings:
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors —
Commercial and Extended Temperature, Lead-Based .............................................................. 44
V
CCPLL1
Power Filtering Diagram .............................................................................................116
V
CCPLL2
Power Filtering Diagram .............................................................................................117
V
CCPLL3
Power Filtering Diagram .............................................................................................117
V
CCOSCP
Power Filtering Diagram ...........................................................................................118
V
CCOSC
Power Filtering Diagram .............................................................................................118
RCOMP Pin External Resistor Requirements ..........................................................................119
DDRI_RCOMP Pin External Resistor Requirements................................................................119
Typical Connection to an Oscillator ..........................................................................................128
PCI Output Timing ....................................................................................................................130
PCI Input Timing .......................................................................................................................130
UTOPIA Level 2 Input Timings .................................................................................................132
UTOPIA Level 2 Output Timings ..............................................................................................132
SMII Output Timings .................................................................................................................133
SMII Input Timings....................................................................................................................134
Source Synchronous SMII Output Timings...............................................................................134
Source Synchronous SMII Input Timings .................................................................................135
MII Output Timings ...................................................................................................................135
MII Input Timings ......................................................................................................................136
MDIO Output Timings ...............................................................................................................136
MDIO Input Timings..................................................................................................................137
DDRI SDRAM Write Timings ....................................................................................................137
DDRI SDRAM Read Timings (2.0 CAS Latency) .....................................................................138
DDRI SDRAM Read Timings (2.5 CAS Latency) .....................................................................139
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet
Document Number:
306261-002
May 2005
5
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