BOARDCOM BCM94311 Airforce 54g 802.11a/b/g pci express client reference design Datasheet

BCM94311
®
AIRFORCE 54G® 802.11A/B/G PCI EXPRESS® CLIENT REFERENCE DESIGN
FEATURES
POWER MANAGEMENT
• IEEE 802.11a/g CMOS MAC/Baseband client solution with
• DSP architecture reduces the power required to transmit data by 30%.
• Low-power consumption improves battery life of Wi-Fi devices,
BroadRange™ for PCI Express® conections. Flexible design provides an
802.11b/g or 802.11a/g solution when paired with an appropriate radio.
• Supports Wireless Form Factor (WFF) PCI Express cards for desktop
PCs, Wireless on Motherboard (WOMBO) notebook modules, and
®
®
embedded Wi-Fi applications for 54g to PCI Express connections.
• High-speed serial bus supports x1 lane running at 2.5 Gbps in each
direction for improved Quality of Service (QoS), Error Detection, Power
Management, Hot Plug/Hot Swap capability, and simplified board layout.
• Includes BroadRange signal processing for industry-leading receive
including handheld devices and consumer electronics.
• Meets PCI Power Management Interface version 1.1 (ACPI).
• Designed for low CPU usage to ensure these CPU resources are
available for handheld applications.
• Dynamic power management under driver control.
AIRFORCE FEATURE SET
• SmartRadio™: Continuous calibration reduces test time and improves
manufacturability.
sensitivity and extended range.
• Highly integrated chipset provides low cost, low power, and small
• Xpress™ Technology: Standards-based frame bursting improves
overall network efficiency.
footprint for integration in a broad range of devices.
• WHQL-certified drivers for Windows® XP, Windows® Me, Windows®
2000, Windows® 98SE, and Windows® 98 operating systems, portable to
Linux® and Windows® CE.
• 125 High Speed Mode™: Standards-plus performance enhancement
delivers best real-world performance when both client and AP support
high speed mode.
• BroadRange Technology: Standards-compliant feature increases
• USB 1.1 host for expanded Bluetooth® connectivity and coexistence.
• 4-KB one-time programmable (OTP) memory for customer-defined
receive sensitivity to improve range at the higher data rates.
• Security:
-
parameters.
• Industry-standard UART and JTAG interfaces to manage other serial
devices for in-system testing.
• On-chip 1.8V/2.5V regulators reduce component cost and power
dissipation and simplify PCB design.
-
WPA- and WPA2-CERTIFIED™ for powerful encryption and
authentication.
AES in hardware for faster data encryption and 802.11i compatibility
Cisco® Compatible Extensions (CCX, CCX 2.0) certified
SecureEasySetup™ for simple Wi-Fi setup and WPA security
configuration
• Worldwide support: Global products supported with worldwide
homologated design.
BCM94311 Reference Design
802.11b/g PCI Express Reference Design
802.11a/g PCI Express Reference Design
OVERVIEW
PCIE
Crystal
SPROM
RF Connector
Main Antenna
TxBalun
BCM2050 or
BCM2060
FEM
RxBalun
IEEE 802.11b/g
or 802.11a Radio
BCM4311
Tx/Rx, Ant. Sel. ctrl
IEEE 802.11a/b/g
Baseband/MAC &
System Interface
RF Connector
Aux Antenna
TSSI
Supply
Filtering
Switching
Regulator
RF filtering
VAUX
Threshold
Detector
& Switch
BCM94311 Functional Block Diagram
BCM94311 Specifications
Item
Description
Interface
USB 1.1 Host interface, PCIe™, GPIO, UART, JTAG
System bus support
PCIe
Standard
IEEE 802.11g with external radio BCM2050, 802.11a with external radio BCM2060
Data rate
802.11g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps; 802.11b, 11, 5.5, 2, 1 Mbps
Modulation
OFDM, CCK, DQPSK, DBPSK
Network architectures
Infrastructure and ad hoc
Operating frequencies
2.4 GHz—2.497 GHz, 4.9 GHz —5.85 GHz with 2060 option
Operating channels
11 for North America; 13 for Europe, and 14 for Japan
RF output power
20 dBm maximum
Antenna connectors
Hardware diversity support—Transmit and Receive
Power requirements
3.3V for reference designs
Security
802.1x; WEP; WEP2; WPA, WPA2; TKIP; WEP128; Weak-key avoidance; CCX, CCX 2.0; 128-bit OCB mode AES, 802.11i
Software support
Microsoft® WHQL certified for Windows XP, Windows 2000, Windows Me, WindowsSE, and Linux operating systems.
Certifications
IEEE 802.11 compliant; WI-FI CERTIFIED™; ACPI power management
ORDERING INFORMATION
• BCM4311: 196-pin package
• BCM94311: Reference design
Broadcom®, the pulse logo, Connecting everything®, BroadRange™, 54g®, 125 High Speed Mode™,
SecureEasySetup™, and the Connecting everything logo 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
© 2006 by BROADCOM CORPORATION. All rights reserved.
94311-PB01-R
03/15/06
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: [email protected]
Web: www.broadcom.com
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