BCM94328 [BOARDCOM]
AirForce One SINGLE-CHIP IEEE 802.11a/b/g MAC/BASEBAND/RADIO WITH INTEGRATED CPU; 空军一个单芯片的IEEE 802.11a / b / g的MAC /基带/无线射频集成CPU
| 型号： | BCM94328 |
| 厂家： | 
Broadcom Corporation. |
| 描述： | AirForce One SINGLE-CHIP IEEE 802.11a/b/g MAC/BASEBAND/RADIO WITH INTEGRATED CPU |
| 文件： | 总2页 (文件大小：110K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BCM4328
®
AirForce One™ SINGLE-CHIP IEEE 802.11a/b/g™
MAC/BASEBAND/RADIO WITH INTEGRATED CPU
P O W E R M A N A G E M E N T
F E A T U R E S
DSP architecture reduces the power required to transmit data by
30 percent.
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Highly integrated one-chip MAC, baseband, dual-band direct
conversion radio and ARM7™ processor for low-power embedded
applications.
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®
Low power consumption improves battery life of Wi-Fi devices,
including handheld devices and consumer electronics.
Designed to meet exacting requirements of mobile devices,
including small form factor, ultra-low power consumption, and low
cost.
Integrated CPU; designed for low CPU usage to ensure that system
resources are available for handheld applications.
Dynamic power management through on-board PMU.
Only a single 3.3V external supply voltage is required.
Footprint-compatible with BCM4326 single-chip
IEEE 802.11b/g™ 2.4-GHz band MAC/baseband/radio with
integrated CPU.
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Support for multiple interface options popular in embedded
designs: SDIO (1- and 4-bit) and USB 2.0.
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A i r F o r c e ™ F E A T U R E S E T
Embedded ARM7 CPU that executes the full WLAN driver,
eliminating the need for complicated wireless LAN integration into
the host platform.
SmartRadio™: continuous calibration reduces test time and
improves manufacturability.
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Xpress™ technology: standards-based frame bursting improves
overall network efficiency.
Portable streamlined software interface for easy migration to
embedded operating systems.
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125 High Speed Mode™: standards-plus performance
enhancement delivers best real-world performance when both
client and AP support high-speed mode.
®
Support for advanced Bluetooth coexistence algorithms with
hardware interface targeted at voice and multimedia applications.
On-chip boot ROM and SRAM for a complete WLAN subsystem.
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Enhanced BroadRange™ technology: standards-compliant
features increase receive sensitivity to improve range and distance
performance at higher data rates.
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Internal fractional nPLL allows support for a wide range of
reference clock frequencies.
Security:
Requires only a single 3.3V external supply voltage.
3.3V/1.8V-tolerant I/O.
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WPA™ (personal) and WPA2™ (personal) certified for powerful
encryption and authentication
Support for 2.5V–5.5V VBAT supplies with a single external
switching regulator.
AES and TKIP in hardware for faster data encryption and IEEE
802.11i™ compatibility
®
Cisco Compatible Extensions (CCX, CCX2.0, CCX3.0, CCX4.0)
On-chip UART and JTAG interfaces for ease of debugging.
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certified
Available in FBGA (0.5-mm pitch) and WLCSP (0.25-mm pitch)
packages.
SecureEasySetup™ for simple Wi-Fi setup and WPA2/WPA
security configuration
Integrated power amplifier for medium-transmit power embedded
devices; interface to external power amplifier for high-power
applications.
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Worldwide support: global products supported with worldwide
homologated design.
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OneDriver™: single driver across all platforms—IEEE 802.11a/b/
g/n—simplifies driver update process and improves customer
satisfaction.
BCM94328 Sample Module
B L O C K D I A G R A M A N D S P E C I F I C A T I O N S
BCM4328
WEP/AES Encryption
2.4-GHz PA
and
Front-End Circuit
Host I/F:
SDIO
or
Host I/F
USB 2.0
(BCM4328U)
IEEE 802.11 Dual-Band
(2.4-GHz/5-GHz)
Direct Conversion Radio
IEEE 802.11a/g
Baseband
MAC
Buffers
5-GHz PA
and
Front-End Circuit
Silicon Backplane
Vreg
Vreg
3.3V
SPROM, UART, JTAG, GPIO
Interfaces
384-KB
SRAM
80-KB
ROM
ARM7
Ref Clock/Crystal:
(12, 13, 14.4, 15.36,
16.2, 16.8, 19.2, 19.8, 20,
24, 26, 38.4 MHz, 32-kHz
LPO also supported)
PLL
SPROM UART
JTAG
GPIO
Interface
SDIO (4-wire, 1-wire, SPI), USB 2.0 (BCM4328U)
SDIO, USB 2.0
System Bus Support
Standard
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g
Data Rate
IEEE 802.11a/g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps; IEEE 802.11b: 11, 5.5, 2, 1 Mbps
OFDM, CCK, DQPSK, DBPSK
Modulation
Network Architectures
Operating Frequencies
Operating Channels
Infrastructure and ad hoc
2.4 GHz to 2.497 GHz, 4.9 GHz to 5.85 GHz
802.11g: 11 for North America; 13 for Europe; 14 for Japan
802.11a: 12 non-overlapping channels
RF Output Power
20 dBm maximum
Antenna Connectors
Power Requirements
Power Consumption
Hardware diversity support—transmit and receive
3.3V (2.5V to 5.5V VBAT power supplies provided by using a single external switching regulator)
Receive: < 295 mW
Transmit: < 425 mW (at 7 dBm), < 625 mW (at 15 dBm; varies depending on external power amplifier)
Security
IEEE 802.1X; WEP, WEP2, WPA (personal), WPA2 (personal); TKIP and AES hardware acceleration, IEEE 802.11i
FBGA: 10 mm x 10 mm
Dimensions
Software Support
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Windows CE 5.0, Linux ,Windows XP
Portable software interface for easy migration to other embedded operating systems including Symbian, Rex, iTRON,
®
VxWorks
Certifications
IEEE 802.11-compliant; Wi-Fi CERTIFIED™
For ordering information, contact your Broadcom Sales Representative.
Broadcom®, the pulse logo, Connecting everything®, the Connecting everything logo, AirForce™, AirForce One™,
SecureEasySetup™, OneDriver™, BroadRange™, SmartRadio™, 125 High Speed Mode™, and Xpress™ are among the
trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries and/or the EU. Bluetooth® is a
trademark of the Bluetooth SIG. 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
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: info@broadcom.com
Web: www.broadcom.com
© 2006 by BROADCOM CORPORATION. All rights reserved.
4328-PB02-R
12/05/06
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