Intensi-fi™
®
DRAFT-802.11n PRODUCT FAMILY
FEATURES
®
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First IEEE 802.11n draft-compliant Wi-Fi solution
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BCM4321—MAC/baseband controller for draft-802.11n and
®
SYSTEM/CHIP BENEFITS
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Reference Designs
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802.11a/b/g devices (PCI/PCI Express /CardBus)
BCM2055—2x2 dual-band single-chip radio—3x3 and 4x4
antenna options for increased range and performance
All CMOS implementation of the world's most advanced
system architecture for draft-802.11n networks
Fully backward-compatible with IEEE 802.11a/b/g legacy
devices
Allows cost-effective system design using low-cost PCB and
single-sided assembly
High-performance features across the Intensi-fi™ product line
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High-performance whole house wireless coverage
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OneDriver™
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SecureEasySetup™
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SmartRadio™
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WPA™/WPA2™
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Cisco
®
Compatible Extensions (CCX4)
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Full-rate Advanced Encryption Standard (AES) engine in
hardware
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WMM™ for quality of service
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BCM94321CB2—CardBus reference design
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BCM94321MP—Mini PCI reference design
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BCM94321MC—PCI Express Mini Card reference design
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BCM94704NR—AP/Router reference design
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BCM94705NR—GbE AP/Router reference design
Two spatially multiplexed streams support data rates up to 270 Mbps.
Increased rate/range performance enhances user satisfaction
while reducing product support calls.
Self-calibrating architecture allows high-yield board
manufacturing.
2x2 antenna structure maintains form factor compatibility with
high-volume IEEE 802.11a/g industrial designs.
Low-cost CMOS implementation for MAC, baseband, and
radio allows integration with Broadcom's cable/DSL/set-top/
VoIP chipsets.
OneDriver: Single driver across platforms simplifies driver
update process and improves customer satisfaction.
Designs meet Pb-free/RoHS worldwide requirements.
SecureEasySetup for simple Wi-Fi setup and security
configuration.
APPLICATIONS
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Wireless client cards for desktop and notebook PCs (PCI, PCI
Express, Mini Card, Mini PCI, and CardBus form factors)
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High-performance draft-802.11n router solutions with the
BCM4704 SoC and BCM4705 SoC
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Home multimedia entertainment wireless networks
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Consumer Wi-Fi devices and other embedded applications
requiring high-performance throughput and range
Intensi-fi Reference Designs
OVERVIEW
BCM4321 and BCM2055 AP/Router Block Diagram
Flash Memory
EBI Host
UART
USB 1.1
Host or Device
x1
Modem/
Audio/
GPIO
JTAG
2.5V
Reg
1.8V
Reg
PCI
Express
Internal Bus
Intensi-fi
Draft – 802.11n
MAC
Intensi-fi
Draft – 802.11n
PHY/AFE
264 – 300 MHz
MIPS32 Core
with MMU
PCI 2.3
Host
PCI V2.3
BCM2055
RF Radio
DDR/SDR
SDRAM
SDRAM I/F
USB 1.1
Host
Security
10/100
MAC
10/100
MAC
LED
GPIO
BCM4704
AP/Router
SPROM
I/F
4 Kb
OTP
BCM4321
CardBus/Mini PCI/PCI Express
BCM5325E/F
Magnetics
10/100 WAN
RJ-45
Quad Magnetics
10/100 LAN
RJ-45
Intensi-fi Specifications
Interface/System bus support
Standard
Data rate (Mbps)
PCI/CardBus/PCI Express
IEEE 802.11g, 802.11b, 802.11a, Intensi-fi draft-802.11n
54, 48, 36, 24, 18, 12, 9, 6, 11, 5.5, 2, 1
20 MHz BW: 130, 117, 104, 78, 52, 39, 26, 13
40 MHz BW: 270, 243, 216, 162, 108, 81, 54, 27
PSK/CCK, DQPSK, DBPSK, OFDM
Infrastructure and ad hoc
2.4 GHz—2.5 GHz, 4.9 GHz—5.85 GHz
2.4 GHz: 11 for North America, 13 for Europe, and 14 for Japan
5 GHz: 12 for North America, 19 for Europe, and 4 for Japan
2x2: 2.4 GHz 16 dBm ±1.5 dB, 5 GHz 14.5 dBm ±1.5 dB
Two or more antennas for simultaneous transmission and reception
1.8V (3.3V for reference designs)
Average standby <130 mW
IEEE 802.1x, WEP/WEP2, WPA/WPA2, TKIP, Weak-key avoidance, CCX, CCX 2.0, CCX 3.0, CCX4.0, 128-bit OCB mode
AES, IEEE 802.11i
Microsoft
®
Vista, Windows
®
XP, Windows
®
2000, Linux
®
, VxWorks
®
Worldwide regulatory, Wi-Fi 802.11a/b/g, WHQL, CCX
Modulation
Network architectures
Operating frequencies
Operating channels
RF output power
Antenna connectors
Power requirements
Power consumption
Security
Software support
Certifications
O
RDERING
I
NFORMATION
BCM94321CB2
BCM94321MP
BCM94321MC
BCM94704NR
BCM94705NR
2.4-GHz Intensi-fi draft-802.11n CardBus reference design
2.4/5-GHz Intensi-fi draft-802.11n Mini PCI reference design
2.4/5-GHz Intensi-fi draft-802.11n PCI Express Mini Card reference design
2.4/5-GHz Intensi-fi draft-802.11n AP/Router reference design
2.4/5-GHz Intensi-fi draft-802.11n GbE AP/Router reference design
Broadcom®, the pulse logo, Connecting everything®, the Connecting everything logo, Intensi-fi™,
SecureEasySetup™, SmartRadio™, and OneDriver™ are among the trademarks of Broadcom
Corporation and/or its affiliates in the United States, certain other countries and/or the EU. Any other
trademarks or trade names mentioned are the property of their respective owners.
®
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2007 by BROADCOM CORPORATION. All rights reserved.
Intensi-fi-PB01-R
03/12/07
Phone: 949-450-8700
Fax: 949-926-5203
E-mail: info@broadcom.com
Web: www.broadcom.com
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