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 9.
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Intel XScale
®
Core
Three Network Processor Engines
PCI Interface
Two MII Interfaces
UTOPIA-2 Interface
USB v 1.1 Device Controller
Two High-Speed, Serial Interfaces
SDRAM Interface
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Encryption/Authentication
High-Speed UART
Console UART
Internal Bus Performance Monitoring Unit
16 GPIOs
Four Internal Timers
Packaging
—492-pin PBGA
—Commercial/Extended Temperature
Typical Applications
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High-Performance DSL Modem
High-Performance Cable Modem
Residential Gateway
SME Router
Network Printers
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Control Plane
Integrated Access Device (IAD)
Set-Top Box
Access Points (802.11a/b/g)
Industrial Controllers
Document Number:
252479-004
June 2004
Intel
®
IXP42X Product Line and IXC1100 Control Plane Processor
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL
R
PRODUCTS. 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
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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.
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Copyright © Intel Corporation 2004
2
Datasheet
Intel
®
IXP42X Product Line and IXC1100 Control Plane Processor
Contents
Contents
1.0
Product Features
...........................................................................................................................9
1.1
1.2
1.3
2.0
2.1
Product Line Features .......................................................................................................... 9
Processor Features ............................................................................................................12
About this Document ..........................................................................................................12
Functional Units ..................................................................................................................17
2.1.1 Network Processor Engines (NPEs) ......................................................................17
2.1.2 Internal Bus............................................................................................................18
2.1.2.1 North AHB..............................................................................................18
2.1.2.2 South AHB .............................................................................................19
2.1.2.3 APB Bus.................................................................................................19
2.1.3 MII Interfaces .........................................................................................................19
2.1.4 UTOPIA 2 ..............................................................................................................20
2.1.5 USB Interface ........................................................................................................20
2.1.6 PCI Controller ........................................................................................................20
2.1.7 SDRAM Controller .................................................................................................20
2.1.8 Expansion Bus .......................................................................................................21
2.1.9 High-Speed, Serial Interfaces ................................................................................21
2.1.10 High-Speed and Console UARTs ..........................................................................22
2.1.11 GPIO ......................................................................................................................22
2.1.12 Internal Bus Performance Monitoring Unit (IBPMU) ..............................................22
2.1.13 Interrupt Controller .................................................................................................22
2.1.14 Timers ....................................................................................................................23
2.1.15 AHB Queue Manager ............................................................................................23
Intel XScale
®
Core..............................................................................................................23
2.2.1 Super Pipeline .......................................................................................................24
2.2.2 Branch Target Buffer (BTB) ...................................................................................25
2.2.3 Instruction Memory Management Unit (IMMU) ......................................................26
2.2.4 Data Memory Management Unit (DMMU) .............................................................26
2.2.5 Instruction Cache (I-Cache) ...................................................................................26
2.2.6 Data Cache (D-Cache) ..........................................................................................27
2.2.7 Mini-Data Cache ....................................................................................................27
2.2.8 Fill Buffer (FB) and Pend Buffer (PB).....................................................................28
2.2.9 Write Buffer (WB)...................................................................................................28
2.2.10 Multiply-Accumulate Coprocessor (CP0) ...............................................................28
2.2.11 Performance Monitoring Unit (PMU)......................................................................29
2.2.12 Debug Unit .............................................................................................................29
Functional Overview
...................................................................................................................14
2.2
3.0
4.0
Functional Signal Descriptions
..................................................................................................30
Package and Pinout Information................................................................................................42
4.1
4.2
4.3
Package Description ...........................................................................................................42
Signal-Pin Descriptions.......................................................................................................45
Package Thermal Specifications ........................................................................................73
4.3.1 Commercial Temperature ......................................................................................73
4.3.2 Extended Temperature ..........................................................................................73
Datasheet
3
Intel
®
IXP42X Product Line and IXC1100 Control Plane Processor
Contents
5.0
Electrical Specifications
............................................................................................................. 74
5.1
5.2
Absolute Maximum Ratings ................................................................................................ 74
V
CCPLL1
, V
CCPLL2
, V
CCOSCP
, V
CCOSC
Pin Requirements .................................................. 74
5.2.1 V
CCPLL1
Requirement ............................................................................................ 74
5.2.2 V
CCPLL2
Requirement ............................................................................................ 75
5.2.3 V
CCOSCP
Requirement .......................................................................................... 75
5.2.4 V
CCOSC
Requirement ............................................................................................ 76
RCOMP Pin Requirements................................................................................................. 77
DC Specifications ............................................................................................................... 77
5.4.1 Operating Conditions ............................................................................................. 77
5.4.2 PCI DC Parameters ............................................................................................... 78
5.4.3 USB DC Parameters.............................................................................................. 78
5.4.4 UTOPIA-2 DC Parameters .................................................................................... 79
5.4.5 MII DC Parameters ................................................................................................ 79
5.4.6 MDIO DC Parameters............................................................................................ 80
5.4.7 SDRAM Bus DC Parameters................................................................................. 80
5.4.8 Expansion Bus DC Parameters ............................................................................. 81
5.4.9 High-Speed, Serial Interface 0 DC Parameters..................................................... 81
5.4.10 High-Speed, Serial Interface 1 DC Parameters..................................................... 81
5.4.11 High-Speed and Console UART DC Parameters .................................................. 82
5.4.12 GPIO DC Parameters ............................................................................................ 83
5.4.13 JTAG DC Parameters............................................................................................ 83
5.4.14 Reset DC Parameters............................................................................................ 83
AC Specifications................................................................................................................ 84
5.5.1 Clock Signal Timings ............................................................................................. 84
5.5.1.1 Processor Clock Timings ....................................................................... 84
5.5.1.2 PCI Clock Timings ................................................................................. 86
5.5.1.3 MII Clock Timings .................................................................................. 86
5.5.1.4 UTOPIA-2 Clock Timings....................................................................... 86
5.5.1.5 Expansion Bus Clock Timings ............................................................... 86
5.5.2 Bus Signal Timings ................................................................................................ 87
5.5.2.1 PCI ......................................................................................................... 87
5.5.2.2 USB Interface......................................................................................... 88
5.5.2.3 UTOPIA-2 .............................................................................................. 89
5.5.2.4 MII .......................................................................................................... 90
5.5.2.5 MDIO...................................................................................................... 91
5.5.2.6 SDRAM Bus........................................................................................... 92
5.5.2.7 Expansion Bus ....................................................................................... 93
5.5.2.8 High-Speed, Serial Interfaces .............................................................. 107
5.5.2.9 JTAG.................................................................................................... 109
5.5.3 Reset Timings...................................................................................................... 110
Power Sequence .............................................................................................................. 111
I
CC
and Total Average Power ........................................................................................... 112
Ordering Information......................................................................................................... 112
5.3
5.4
5.5
5.6
5.7
5.8
4
Datasheet
Intel
®
IXP42X Product Line and IXC1100 Control Plane Processor
Contents
Figures
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Intel
®
IXP425 Network Processor Block Diagram ......................................................................14
Intel
®
IXP422 Network Processor Block Diagram ......................................................................15
Intel
®
IXP421 Network Processor Block Diagram ......................................................................15
Intel
®
IXP420 Network Processor Block Diagram ......................................................................16
Intel XScale
®
Core Block Diagram .............................................................................................24
492-Pin Lead PBGA Package ....................................................................................................42
Package Markings ......................................................................................................................43
V
CCPLL1
Power Filtering Diagram ...............................................................................................75
V
CCPLL2
Power Filtering Diagram ...............................................................................................75
V
CCOSCP
Power Filtering Diagram .............................................................................................76
V
CCOSC
Power Filtering Diagram ...............................................................................................76
RCOMP Pin External Resistor Requirements ............................................................................77
Typical Connection to a Crystal ..................................................................................................85
Typical Connection to an Oscillator ............................................................................................85
PCI Output Timing ......................................................................................................................87
PCI Input Timing .........................................................................................................................87
UTOPIA-2 Input Timings.............................................................................................................89
UTOPIA-2 Output Timings..........................................................................................................89
MII Output Timings .....................................................................................................................90
MII Input Timings ........................................................................................................................90
MDIO Output Timings .................................................................................................................91
MDIO Input Timings....................................................................................................................91
SDRAM Input Timings ................................................................................................................92
SDRAM Output Timings .............................................................................................................93
Intel Multiplexed Mode................................................................................................................93
Intel Simplex Mode .....................................................................................................................94
Motorola* Multiplexed Mode .......................................................................................................95
Motorola* Simplex Mode.............................................................................................................97
HPI – 8 Mode Write Accesses ....................................................................................................99
HPI-16 Multiplex Write Mode ....................................................................................................101
HPI-16 Multiplex Read Mode....................................................................................................103
HPI-16 Non-Multiplex Read Mode ............................................................................................104
HPI-16 Non-Multiplex Write Mode ............................................................................................106
High-Speed, Serial Timings ......................................................................................................107
Boundary-Scan General Timings..............................................................................................109
Boundary-Scan Reset Timings .................................................................................................109
Reset Timings...........................................................................................................................110
Power-up Sequence Timing .....................................................................................................112
Datasheet
5