Intel
®
IXP42X Product Line of Network
Processors and IXC1100 Control Plane
Processor
Datasheet
Product Features
For a complete list of product features, see
“Product Features” on page 11.
The following features
do
require
The following features
do not
require
enabling software:
enabling software:
®
■
Intel XScale Core — Up to 533 MHz
■
Encryption/Authentication
(AES,DES,3DES,SHA-1,MD5)
■
PCI Interface
■
Two High-Speed, Serial Interfaces
■
USB v1.1 Device Controller
■
Three Network Processor Engines
■
SDRAM Interface
■
Up to two MII Interfaces
■
High-Speed UART
■
One UTOPIA-2 Interface
■
Console UART
■
Internal Bus Performance Monitoring Unit
■
Multi-Channel HDLC
■
16 GPIOs
Note:
Refer to the
Intel
®
IXP400 Software
Programmer’s Guide
for information on
■
Four Internal Timers
which features are currently enabled.
■
Packaging
— 492-pin PBGA
■
Commercial/Extended Temperature
Typical Applications
■
■
■
■
■
High-Performance DSL Modem
High-Performance Cable Modem
Residential Gateway
SME Router
Network Printers
■
■
■
■
■
Control Plane
Integrated Access Device (IAD)
Set-Top Box
Access Points (802.11a/b/g)
Industrial Controllers
Document Number: 252479, Revision: 005
March 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, critical control or safety systems, or
in nuclear facility applications.
Legal Lines and Disclaimers
Intel may make changes to specifications and product descriptions at any time, without notice.
Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the
presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by
estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights.
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.
Intel processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across
different processor families. See
http://www.intel.com/products/processor_number
for details.
The Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor 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.
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 order 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.
BunnyPeople, Celeron, Chips, Dialogic, EtherExpress, ETOX, FlashFile, i386, i486, i960, iCOMP, InstantIP, Intel, Intel Centrino, Intel Centrino logo,
Intel logo, Intel386, Intel486, Intel740, IntelDX2, IntelDX4, IntelSX2, Intel Inside, Intel Inside logo, Intel NetBurst, Intel NetMerge, Intel NetStructure,
Intel SingleDriver, Intel SpeedStep, Intel StrataFlash, Intel Xeon, Intel XScale, IPLink, Itanium, MCS, MMX, MMX logo, Optimizer logo, OverDrive,
Paragon, PDCharm, Pentium, Pentium II Xeon, Pentium III Xeon, Performance at Your Command, Sound Mark, The Computer Inside, The Journey
Inside, 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. All Rights Reserved.
March 2005
2
Datasheet
Document Number: 252479, Revision: 005
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
Contents
1.0
Introduction....................................................................................................................................
9
1.1
1.2
About this Document ............................................................................................................ 9
Product Features ................................................................................................................ 11
1.2.1 Product Line Features ........................................................................................... 11
1.2.2 Processor Features ............................................................................................... 14
Functional Units .................................................................................................................. 20
2.1.1 Network Processor Engines (NPEs) ...................................................................... 20
2.1.2 Internal Bus............................................................................................................ 21
2.1.2.1 North AHB ..............................................................................................21
2.1.2.2 South AHB ............................................................................................. 22
2.1.2.3 APB Bus................................................................................................. 22
2.1.3 MII Interfaces ......................................................................................................... 22
2.1.4 UTOPIA 2 .............................................................................................................. 23
2.1.5 USB Interface ........................................................................................................ 23
2.1.6 PCI Controller ........................................................................................................ 23
2.1.7 SDRAM Controller ................................................................................................. 23
2.1.8 Expansion Bus ....................................................................................................... 24
2.1.9 High-Speed, Serial Interfaces ................................................................................ 24
2.1.10 High-Speed and Console UARTs .......................................................................... 25
2.1.11 GPIO ...................................................................................................................... 25
2.1.12 Internal Bus Performance Monitoring Unit (IBPMU) .............................................. 25
2.1.13 Interrupt Controller ................................................................................................. 25
2.1.14 Timers .................................................................................................................... 26
2.1.15 AHB Queue Manager ............................................................................................ 26
Intel XScale
®
Core .............................................................................................................. 26
2.2.1 Super Pipeline ....................................................................................................... 27
2.2.2 Branch Target Buffer (BTB) ................................................................................... 28
2.2.3 Instruction Memory Management Unit (IMMU) ...................................................... 29
2.2.4 Data Memory Management Unit (DMMU) ............................................................. 29
2.2.5 Instruction Cache (I-Cache) ................................................................................... 29
2.2.6 Data Cache (D-Cache) .......................................................................................... 30
2.2.7 Mini-Data Cache .................................................................................................... 30
2.2.8 Fill Buffer (FB) and Pend Buffer (PB)..................................................................... 31
2.2.9 Write Buffer (WB)................................................................................................... 31
2.2.10 Multiply-Accumulate Coprocessor (CP0) ............................................................... 31
2.2.11 Performance Monitoring Unit (PMU)...................................................................... 32
2.2.12 Debug Unit ............................................................................................................. 32
2.0
Functional Overview
................................................................................................................... 15
2.1
2.2
3.0
4.0
Functional Signal Descriptions..................................................................................................
33
Package and Pinout Information................................................................................................
50
4.1
4.2
4.3
Package Description ...........................................................................................................50
Signal-Pin Descriptions....................................................................................................... 53
Package Thermal Specifications ........................................................................................ 81
4.3.1 Commercial Temperature ...................................................................................... 81
Datasheet
Document Number: 252479, Revision: 005
March 2005
3
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Pro-
cessor
4.3.2
5.0
5.1
5.2
Extended Temperature .......................................................................................... 81
Electrical Specifications
............................................................................................................. 82
Absolute Maximum Ratings ................................................................................................ 82
V
CCPLL1
, V
CCPLL2
, V
CCOSCP
, V
CCOSC
Pin Requirements .................................................. 82
5.2.1 V
CCPLL1
Requirement ............................................................................................ 82
5.2.2 V
CCPLL2
Requirement ............................................................................................ 83
5.2.3 V
CCOSCP
Requirement .......................................................................................... 83
5.2.4 V
CCOSC
Requirement ............................................................................................ 84
RCOMP Pin Requirements................................................................................................. 85
DC Specifications ............................................................................................................... 85
5.4.1 Operating Conditions ............................................................................................. 85
5.4.2 PCI DC Parameters ............................................................................................... 86
5.4.3 USB DC Parameters.............................................................................................. 86
5.4.4 UTOPIA-2 DC Parameters .................................................................................... 87
5.4.5 MII DC Parameters ................................................................................................ 87
5.4.6 MDIO DC Parameters............................................................................................ 88
5.4.7 SDRAM Bus DC Parameters................................................................................. 88
5.4.8 Expansion Bus DC Parameters ............................................................................. 88
5.4.9 High-Speed, Serial Interface 0 DC Parameters..................................................... 89
5.4.10 High-Speed, Serial Interface 1 DC Parameters..................................................... 89
5.4.11 High-Speed and Console UART DC Parameters .................................................. 90
5.4.12 GPIO DC Parameters ............................................................................................ 90
5.4.13 JTAG DC Parameters............................................................................................ 90
5.4.14 Reset DC Parameters............................................................................................ 91
AC Specifications................................................................................................................ 91
5.5.1 Clock Signal Timings ............................................................................................. 91
5.5.1.1 Processor Clock Timings ....................................................................... 91
5.5.1.2 PCI Clock Timings ................................................................................. 94
5.5.1.3 MII Clock Timings .................................................................................. 94
5.5.1.4 UTOPIA-2 Clock Timings....................................................................... 94
5.5.1.5 Expansion Bus Clock Timings ............................................................... 94
5.5.2 Bus Signal Timings ................................................................................................ 95
5.5.2.1 PCI ......................................................................................................... 95
5.5.2.2 USB Interface......................................................................................... 96
5.5.2.3 UTOPIA-2 .............................................................................................. 97
5.5.2.4 MII .......................................................................................................... 98
5.5.2.5 MDIO...................................................................................................... 99
5.5.2.6 SDRAM Bus......................................................................................... 100
5.5.2.7 Expansion Bus ..................................................................................... 101
5.5.2.8 High-Speed, Serial Interfaces .............................................................. 125
5.5.2.9 JTAG.................................................................................................... 127
5.5.3 Reset Timings...................................................................................................... 128
Power Sequence .............................................................................................................. 129
I
CC
and Total Average Power ........................................................................................... 131
5.3
5.4
5.5
5.6
5.7
6.0
Ordering Information.................................................................................................................
133
March 2005
4
Datasheet
Document Number: 252479, Revision: 005
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Intel
®
IXP425 Network Processor Block Diagram ...................................................................... 15
Intel
®
IXP423 Network Processor Block Diagram ...................................................................... 16
Intel
®
IXP422 Network Processor Block Diagram ...................................................................... 17
Intel
®
IXP421 Network Processor Block Diagram ...................................................................... 18
Intel
®
IXP420 Network Processor Block Diagram ...................................................................... 19
Intel XScale
®
Core Block Diagram ............................................................................................. 27
492-Pin Lead PBGA Package .................................................................................................... 50
Package Markings ...................................................................................................................... 51
V
CCPLL1
Power Filtering Diagram ............................................................................................... 83
V
CCPLL2
Power Filtering Diagram ............................................................................................... 83
V
CCOSCP
Power Filtering Diagram ............................................................................................. 84
V
CCOSC
Power Filtering Diagram ............................................................................................... 84
RCOMP Pin External Resistor Requirements ............................................................................ 85
Typical Connection to a Crystal .................................................................................................. 93
Typical Connection to an Oscillator ............................................................................................ 93
PCI Output Timing ...................................................................................................................... 95
PCI Input Timing ......................................................................................................................... 95
UTOPIA-2 Input Timings............................................................................................................. 97
UTOPIA-2 Output Timings.......................................................................................................... 97
MII Output Timings ..................................................................................................................... 98
MII Input Timings ........................................................................................................................ 98
MDIO Output Timings ................................................................................................................. 99
MDIO Input Timings.................................................................................................................... 99
SDRAM Input Timings ..............................................................................................................100
SDRAM Output Timings ...........................................................................................................100
Signal Timing With Respect to Clock Rising Edge ...................................................................101
Intel
®
Multiplexed Read Mode ..................................................................................................102
Intel
®
Multiplexed Write Mode ..................................................................................................103
Intel
®
Simplex Read Mode........................................................................................................105
Intel
®
Simplex Write Mode........................................................................................................105
Motorola* Multiplexed Read Mode............................................................................................107
Motorola* Multiplexed Write Mode............................................................................................108
Motorola* Simplex Read Mode .................................................................................................110
Motorola* Simplex Write Mode .................................................................................................111
HPI-8 Mode Read Accesses.....................................................................................................113
HPI-8 Mode Write Accesses.....................................................................................................114
HPI-16 Multiplexed Write Mode ................................................................................................118
HPI-16 Multiplex Read Mode....................................................................................................120
HPI-16 Simplex Read Mode .....................................................................................................122
HPI-16 Simplex Write Mode .....................................................................................................124
High-Speed, Serial Timings ......................................................................................................125
Boundary-Scan General Timings..............................................................................................127
Boundary-Scan Reset Timings .................................................................................................127
Reset Timings...........................................................................................................................128
Power-Up Sequence Timing.....................................................................................................130
Datasheet
Document Number: 252479, Revision: 005
March 2005
5
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