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BCM4705 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – Intensi-fi Gigabit Ethernet Draft-802.11n Processor | |||
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BCM4705
®
Brief
Intensi-fi⢠Gigabit Ethernet Draft-802.11n Processor
FEATURES
⢠Advanced 500 DMIPS/300-MHz MIPS32® core
⢠4-way set associative 32-KB I-Cache
⢠2-way set associative 32-KB D-Cache
⢠4-KB Read-Ahead Cache
⢠MMU/TLB support for Linux®
⢠Advanced Gigabit Ethernet MAC
⢠Hardware TCP segmentation and Checksum offload
⢠GMII, RGMII, and MII PHY connectivity
⢠Two USB2.0 High-speed host ports
⢠One USB2.0 High-speed device port
⢠DDR SDRAM controller
⢠16/32-bit DDR266 and 133-MHz SDRAM support
⢠8 MB to 512 MB capacity
⢠Support for 8/16/32-bit wide memory devices
⢠PCI 2.3 Host interface (32 bit/33â37 MHz)
⢠Supports four PCI bus masters
⢠Optional 5V-tolerant operation (PCI 2.2 support)
⢠Advanced GPIO interface
⢠All GPI supports interrupt triggering capability
⢠Dual RS232 UART
⢠2.4W Low-power design
SUMMARY OF BENEFITS
⢠Turnkey hardware and software platform
⢠Extremely rapid development of draft 802.11n Wi-Fi® Access
Point/Routers.
⢠Full Linux router stack and software package
⢠Flexible single-band, dual-band, and simultaneous dual-band
platform support
⢠MIMO configurations supported
⢠2x2, 2.4 GHz
⢠2x2, 2.4/5.0 GHz
⢠3x3, 2.4 GHz
⢠3x3, 2.4/5.0 GHz
⢠Maximum performance and high throughput
⢠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
⢠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
⢠Networked Attached Storage (NAS)
⢠Easily build NAS routers with included NAS software module
BCM4705 System Diagram
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