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FWIXP420BB Datasheet(PDF) 3 Page - Intel Corporation

Part # FWIXP420BB
Description  Intel짰 IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

FWIXP420BB Datasheet(HTML) 3 Page - Intel Corporation

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Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
Datasheet
March 2005
Document Number: 252479, Revision: 005
3
Contents
1.0
Introduction.................................................................................................................................... 9
1.1
About this Document ............................................................................................................ 9
1.2
Product Features ................................................................................................................ 11
1.2.1
Product Line Features ........................................................................................... 11
1.2.2
Processor Features ............................................................................................... 14
2.0
Functional Overview ................................................................................................................... 15
2.1
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
2.2
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
3.0
Functional Signal Descriptions .................................................................................................. 33
4.0
Package and Pinout Information................................................................................................ 50
4.1
Package Description ........................................................................................................... 50
4.2
Signal-Pin Descriptions....................................................................................................... 53
4.3
Package Thermal Specifications ........................................................................................ 81
4.3.1
Commercial Temperature ...................................................................................... 81


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