GWIXP425ABBT Intel, GWIXP425ABBT Datasheet - Page 19

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GWIXP425ABBT

Manufacturer Part Number
GWIXP425ABBT
Description
Manufacturer
Intel
Datasheet

Specifications of GWIXP425ABBT

Core Operating Frequency
266MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Not Compliant

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
GWIXP425ABBT
Manufacturer:
INTEL
Quantity:
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Part Number:
GWIXP425ABBT
Manufacturer:
INTEL/英特尔
Quantity:
20 000
Datasheet—Intel
Table 4.
2.1.2
June 2007
Document Number:
Table 4
processors, have which of these capabilities.
Processor Functions
The NPE is a hardware-multi-threaded processor engine that is used to accelerate
functions that are difficult to achieve high performance in a standard RISC processor.
Each NPE is a 133.32 MHz (which is 4 * OSC_IN input pin) processor core that has self-
contained instruction memory and self-contained data memory that operate in parallel.
In addition to having separate instruction/data memory and local-code store, the NPE
supports hardware multi-threading with support for multiple contexts. The support of
hardware multi-threading creates an efficient processor engine with minimal processor
stalls due to the ability of the processor to switch contexts in a single clock cycle, based
on a prioritized/preemptive basis. The prioritized/preemptive nature of the context
switching allows time-critical applications to be implemented in a low-latency fashion,
which is required while processing multi-media applications.
The NPE also connects several hardware-based coprocessors that are used to
implement functions that are difficult for a processor to implement. These functions
include:
These coprocessors are implemented in hardware, enabling the coprocessors and the
NPE processor core to operate in parallel.
The combined forces of the hardware multi-threading, local-code store, independent
instruction memory, independent data memory, and parallel processing allows the Intel
XScale
capability of the peripheral interface functions allows unparalleled performance to be
achieved by the application running on the Intel XScale
Internal Bus
The internal bus architecture of the IXP42X product line and IXC1100 control plane
processors is designed to allow parallel processing to occur and to isolate bus
utilization, based on particular traffic patterns. The bus is segmented into three major
buses: the North AHB, South AHB, and APB.
®
Intel
Processor
Intel
Processor
Intel
Processor
Intel
Processor
Intel
Processor
Intel
Control Plane
Processor
252479-007US
IXP42X product line and IXC1100 control plane processors
• Serialization/De-serialization
• DES/3DES/AES
• MD5
®
®
®
®
®
®
IXP425 Network
IXP423 Network
IXP422 Network
IXP421 Network
IXP420 Network
IXC1100
Device
®
specifies which devices, in the IXP42X product line and IXC1100 control plane
processor to be utilized for application purposes. The multi-processing
Intel
UTOPIA
®
X
X
X
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
HSS
X
X
X
MII 0
X
X
X
X
X
X
MII 1
X
X
X
X
X
AES / DES
• CRC checking/generation
• SHA-1
• HDLC bit stuffing/de-stuffing
/ 3DES
X
X
®
processor.
Multi-Channel HDLC
8
8
8
SHA-1 /
Datasheet
MD-5
X
X
19

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