bcm4325 Broadcom Corp., bcm4325 Datasheet - Page 2
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bcm4325
Manufacturer Part Number
bcm4325
Description
Bcm4325 - Low-power 802.11a/b/g With Bluetooth 2.1 Edr And Fm
Manufacturer
Broadcom Corp.
Datasheet
1.BCM4325.pdf
(2 pages)
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The Broadcom BCM4325 family of single-chip devices provides for the
highest level of integration for a mobile or handheld wireless system,
with integrated IEEE 802.11a/b/g (MAC/Baseband/Radio), Bluetooth
2.1 + enhanced data rate (EDR), and FM receiver. Thus providing a
compact small form factor solution with minimal external components to
drive the costs for mass volumes and allows for flexibility in size, form,
and function of handheld devices. The BCM4325 is designed to address
the needs of highly mobile devices that require minimal power
consumption and reliable operation.
The BCM4325 utilizes advanced design techniques and process
technology to deliver the lowest active and idle power, extending the
system battery life while maintaining consistent connectivity, and still
provides a rich set of features.
The BCM4325 implements the highly sophisticated InConcert radio
coexistence algorithms and hardware mechanisms allowing for an
extremely collaborative coexistence scheme along with coexistence
support for external radios (such as GPS, WiMax, or Ultra Wide-Band
radio technologies, as well as cellular radios) and a single shared
Antenna. As a result, it enhances the overall quality for simultaneous
voice, video, and data transmission on a handheld system while
minimizing the footprint.
The BCM4325 further integrates a power management unit simplifying
the power topology on a system and allowing for operation directly from
the handheld battery. It also integrates a CMOS power amplifier to meet
Broadcom
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.
4325--PB00-R
®
, the pulse logo, Connecting everything
01/31/07
Crystal OSC
Vdd IO/Core
Ref Clocks
12-52 MHz
SDIO/SPI
32 KHz
UART
Clock
JTAG
Vbatt
®
Host
I/F
WL
BT
Switching
Regulator
IEEE 802.11b/g
PMU
LPO
LDO
®
, and the Connecting everything logo are among
Enhanced Coexistence
ROM
RAM
CPU
Packet Traffic Arbiter
UART
Host
I/F
I
Baseband
2
C I
2
S/PCM
BCM4325 Block Diagram
WEP/AES/TKIP
Control Logic
SPROM
Block
RAM
ROM
O V E R V I E W
MAC
CPU
Modem
PHY
Bluetooth
FM Receiver
the requirements of most handheld systems while permitting an external
power amplifier for high-power applications.
BCM4325 Specifications
Ordering Information
• BCM4325GKFBG: IEEE802.11b/g 196-pin FBGA 7.5 mm x 7.5
• BCM4325HKFBG: IEEE802.11a/b/g 196-pin FBGA 7.5 mm x 7.5
• BCM4325GKWLG: IEEE802.11b/g wlCSP package
• BCM4325HKWLG: IEEE802.11a/b/g wlCSP package
Host Interface
Standard
Data Rate
Modulation
Network
Architectures
Operating
Frequencies
Operating
Channels
Security
®
2.1 + EDR
Conversion
Conversion
mm package
mm package
5 GHz &
2.4 GHz
2.4 GHz
5 GHz
Direct
Radio
Direct
Radio
BT Rx
BT Tx
IEEE 802.11a/b/g
SDIO (4 wire, 1 wire, SPI), UART
IEEE 802.11a, IEEE 802.11g
802.11a/g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps; 802.11b: 11, 5.5, 2, 1
Mbps
OFDM, CCK, DQPSK, DBPSK
Infrastructure and ad hoc
2.4 GHz–2.497 GHz, 4.9 GHz–5.85 GHz
11 for North America; 13 for Europe; 14 for Japan
802.1x; WEP, WEP2, WPA, WPA2 (Personal); TKIP and AES
hardware acceleration, 802.11i
WL Tx
WL Tx
WL Rx
WL Tx
WL Tx
WL Rx
High Power Applications
FEM
FEM
(PA/Switch) for
External FEM
Phone: 949-450-8700
Fax: 949-926-5203
E-mail: info@broadcom.com
Web: www.broadcom.com