Datasheet > BCM4705

BCM4705

更新时间： 2024-11-20 04:08:59

品牌	Logo	应用领域
博通 - BOARDCOM		以太网
页数	文件大小	规格书
2页	273K
描述
Intensi-fi Gigabit Ethernet Draft-802.11n Processor

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中文翻译

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技术参数
数据手册

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BCM4705 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.65
Base Number Matches：	1

BCM4705 数据手册

BCM4705

Brief

Intensi-fi™ Gigabit Ethernet Draft-802.11n Processor

S U M M A R Y O F B E N E F I T S

F E A T U R E S

Advanced 500 DMIPS/300-MHz MIPS32^®core

Turnkey hardware and software platform

•

Extremely rapid development of draft 802.11n Wi-Fi^®Access

Point/Routers.

•

4-way set associative 32-KB I-Cache

2-way set associative 32-KB D-Cache

4-KB Read-Ahead Cache

Full Linux router stack and software package

MMU/TLB support for Linux^®

Flexible single-band, dual-band, and simultaneous dual-band

platform support

•

Advanced Gigabit Ethernet MAC

•

Hardware TCP segmentation and Checksum offload

GMII, RGMII, and MII PHY connectivity

MIMO configurations supported

•

2x2, 2.4 GHz

2x2, 2.4/5.0 GHz

3x3, 2.4 GHz

Two USB2.0 High-speed host ports

One USB2.0 High-speed device port

DDR SDRAM controller

•

3x3, 2.4/5.0 GHz

Maximum performance and high throughput

•

16/32-bit DDR266 and 133-MHz SDRAM support

8 MB to 512 MB capacity

Support for 8/16/32-bit wide memory devices

•

Gigabit Ethernet LAN speeds

Over 190 Mbps TCP/IP Gigabit Ethernet to Wi-Fi bridging in

single-band configuration

•

Over 250 Mbps TCP/IP Gigabit Ethernet to Wi-Fi bridging in

simultaneous dual-band configuration

PCI 2.3 Host interface (32 bit/33–37 MHz)

•

Supports four PCI bus masters

Optional 5V-tolerant operation (PCI 2.2 support)

Flexible architecture for low cost and alternative designs

•

Allows connection to external 10/100 switches for ultra low

cost applications

Platform expansion through USB2.0

Platform expansion through PCI/Cardbus

Advanced GPIO interface

All GPI supports interrupt triggering capability

•

Dual RS232 UART

•

Networked Attached Storage (NAS)

Easily build NAS routers with included NAS software module

2.4W Low-power design

•

BCM4705 System Diagram

中文翻译

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