參數(shù)資料
型號(hào)： EWIXP460AC
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 400 MHz, RISC PROCESSOR, PBGA544
封裝： LEAD FREE, PLASTIC, BGA-544
文件頁(yè)數(shù)： 77/163頁(yè)
文件大小： 1123K
代理商： EWIXP460AC
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Functional Overview
May 2005
Intel IXP45X and Intel IXP46X Product Line of Network Processors Datasheet
20
Document Number: 306261-002
The NPE core 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 core 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. Each NPE core has 4 K words of
instruction memory and 4 K words of data memory.
In addition to having separate instruction/data memory and local-code store, the NPE core 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 core 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 when processing multi-media
applications.
The NPE core also connects to 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.
With the addition of the new switching coprocessor (SWCP) and the Ethernet coprocessors,
functions like a four-port, Layer-2 switch can be easily implemented using all Intel-based silicon.
Also, by using NPEs to implement switching functions, value added features like VLAN or IP
switching can be easily upgraded using existing silicon. Therefore, speeding up the end customer’s
time to market while keeping product costs the same.
The combined forces of the hardware multi-threading, local-code store, independent instruction
memory, independent data memory, and parallel processing — contained on the NPE — allows the
Intel XScale core to be utilized for application purposes. The multi-processing capability of the
peripheral interface functions allows unparalleled performance to be achieved by the application
running on the Intel XScale core.
Configuration 7
X
MII
SMII
X
8
X
Configuration 8
X
MII
4 SMII
MII
X
8
X
Configuration 9
X
MII
4 SMII
SMII
X
8
X
Configuration 10
X
SMII
4 SMII
SMII
X
8
X
Configuration 11
X
SMII
X
8
X
Configuration 12
X
SMII
MII
X
8
X
Configuration 13
X
SMII
4 SMII
MII
X
8
X
Table 3.
Network Processor Functions (Sheet 2 of 2)
Device
UTOPIA
HSS
MII /SMII
A
MII / 4 SMII
B
MII / SMII
C
AES / DES
/ DES3
HDLC
SHA MD-5
HSS Serialization/ De-serialization
CRC checking/generation
DES/DES3/AES
SHA-1/256/384/512
MD-5
HDLC bit stuffing/de-stuffing
Learning/filtering content addressable memory
Media Access Controller functionality
UTOPIA Level 2 Framing
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EWIXP455ABT 266 MHz, RISC PROCESSOR, PBGA544
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EWIXP460BAD 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Intel 功能描述:
EWJKXA066A15 制造商:Panasonic Industrial Company 功能描述:CONTROL
EWK105BJ224MP-F 制造商:TAIYO YUDEN 功能描述:Cut Tape 制造商:Taiyo Yuden 功能描述:Ceramic capacitor LWDC 0402 220nF 制造商:Taiyo Yuden 功能描述:Cap Ceramic 0.22uF 16V X5R 20% SMD 0204 85 制造商:Taiyo Yuden 功能描述:Cap Ceramic 0.22uF 16V X5R 20% SMD 0204 85°C Paper T/R
EWK105BJ224MPHF 功能描述:CAP CER 0.22UF 16V X5R 0204 制造商:taiyo yuden 系列:LWDC?，LW 包裝:剪切帶（CT） 零件狀態(tài):在售 電容:0.22μF 容差:±20% 電壓 - 額定:16V 溫度系數(shù):X5R 工作溫度:-55°C ~ 85°C 特性:低 ESL 型（倒置結(jié)構(gòu)） 等級(jí):AEC-Q200 應(yīng)用:汽車，旁通，去耦 故障率:- 安裝類型:表面貼裝，MLCC 封裝/外殼:0204（0610 公制） 大小/尺寸:0.020" 長(zhǎng) x 0.039" 寬（0.52mm x 1.00mm） 高度 - 安裝（最大值）:- 厚度（最大值）:0.014"（0.35mm） 引線間距:- 引線形式:- 標(biāo)準(zhǔn)包裝:1
EWK105C6104MPHF 功能描述:CAP CER 0.10UF 16V X6S 0204 制造商:taiyo yuden 系列:LWDC?，LW 包裝:剪切帶（CT） 零件狀態(tài):在售 電容:0.1μF 容差:±20% 電壓 - 額定:16V 溫度系數(shù):X6S 工作溫度:-55°C ~ 105°C 特性:低 ESL 型（倒置結(jié)構(gòu)） 等級(jí):AEC-Q200 應(yīng)用:汽車，旁通，去耦 故障率:- 安裝類型:表面貼裝，MLCC 封裝/外殼:0204（0610 公制） 大小/尺寸:0.020" 長(zhǎng) x 0.039" 寬（0.52mm x 1.00mm） 高度 - 安裝（最大值）:- 厚度（最大值）:0.014"（0.35mm） 引線間距:- 引線形式:- 標(biāo)準(zhǔn)包裝:1
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