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  Datasheet File OCR Text:
 BCM4325
(R)
Brief
FEATURES * Bluetooth Key Features
* Bluetooth Specification version 2.1 + EDR (up to 3 Mbps) compliant, with provisions for supporting future specifications * Supports extended synchronous connections (eSCO) for enhanced voice quality by allowing for retransmission of dropped packets * Adaptive frequency hopping (AFH), for reducing radio frequency interference. * Interfaces support--Host controller interface (HCI) using a high-speed UART interface and PCM for audio data * The FM unit supports BSC (Broadcom Serial Control) for communications, stereo analog output, as well as IS and PCM interfaces. * Integrates the InConcertTM collaborative WLAN coexistence, including the 802.15.2 three-wire coexistence support * Low-power consumption improves battery life of handheld devices * 76-MHz to 108-MHz FM bands and supports European Radio Data Systems (RDS) and North American Radio Broadcast Data Systems (RBDS) modulations * Supports dual-A2DP for stereo sound * Automatic frequency detection for standard crystal and TCXO values
SINGLE CHIP IEEE 802.11a/b/g MAC/BASEBAND/RADIO WITH INTEGRATED BLUETOOTH(R) 2.1 + EDR AND FM RECEIVER FOR LOW-POWER MOBILE HANDSET AND HANDHELD APPLICATIONS
FEATURES * WLAN Key Features
* Single-band 2.4-GHz 802.11b/g or dual-band 2.4-GHz and 5GHz 802.11a/b/g with Bluetooth 2.1 + EDR and FM receiver * Industry leading low-active transmit and receive power consumption and ultra-low power in stand-by and idle modes * Supports IEEE 802.11d/e (WMM, QoS, WMM-PS), h, i, j (upgrades available for k, r, w) * Supports IEEE 802.15.2 external three wire coexistence scheme to support additional wireless technologies such as GPS, WiMax, or UWB * Supports standard interfaces, SDIO v1.2 (1 bit and 4 bit), SPI, and high speed UART, for easy migration from the Broadcom 2 chip solution (BCM4328 + BCM2048) * Integrated CPU with on-chip memory for a complete WLAN subsystem minimizing the need to wake up the applications processor * Fractional nPLL allows support for a wide range of reference clock frequencies * Security: - WPA- and WPA2 (personal) for powerful encryption and authentication - AES and TKIP in hardware for faster data encryption and 802.11i compatibility - Supports Cisco(R) Compatible Extensions (CCX - CCX4.0) - SecureEasySetupTM for simple Wi-Fi setup and WPA2/ WPA security configuration * Worldwide regulatory support--Global products supported with worldwide homologated design
* General Features
* One driver software architecture for easy migration from existing embedded WLAN and Bluetooth devices as well as future devices * Support battery voltage range from 2.3V to 5.5V supplies with the internal switching regulator
OVERVIEW
BCM4325H
IEEE 802.11a/b/g
BCM4325G
5 GHz
WL Tx WL Tx WL Rx WEP/AES/TKIP 5 GHz & 2.4 GHz Baseband MAC PHY Direct Conversion Radio WL Tx WL Tx
FEM
Switch
IEEE 802.11b/g
RAM SDIO/SPI Host I/F UART JTAG ROM
FEM
3T Switch
CPU
WL Rx
Ref Clocks 12-52 MHz Crystal OSC
WL Packet Traffic Arbiter Enhanced Coexistence BT Control Logic Block
FM Receiver
External FEM (PA/Switch) for High Power Applications
PMU RAM Vbatt Vdd IO/Core Switching Regulator Host I/F LDO CPU 32 KHz Clock LPO ROM
Bluetooth(R) 2.1 + EDR
2.4 GHz Modem Direct Conversion Radio BT Rx
BT Tx
UART
I2C I2S/PCM
SPROM
BCM4325 Block Diagram The Broadcom BCM4325 family of single-chip devices provides for the the requirements of most handheld systems while permitting an external highest level of integration for a mobile or handheld wireless system, power amplifier for high-power applications. with integrated IEEE 802.11a/b/g (MAC/Baseband/Radio), Bluetooth 2.1 + enhanced data rate (EDR), and FM receiver. Thus providing a BCM4325 Specifications compact small form factor solution with minimal external components to Host Interface SDIO (4 wire, 1 wire, SPI), UART drive the costs for mass volumes and allows for flexibility in size, form, Standard IEEE 802.11a, IEEE 802.11g and function of handheld devices. The BCM4325 is designed to address Data Rate 802.11a/g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps; 802.11b: 11, 5.5, 2, 1 the needs of highly mobile devices that require minimal power Mbps consumption and reliable operation.
Modulation 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
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
Network Architectures Operating Frequencies Operating Channels Security
Ordering Information * BCM4325GKFBG: IEEE802.11b/g 196-pin FBGA 7.5 mm x 7.5 mm package * BCM4325HKFBG: IEEE802.11a/b/g 196-pin FBGA 7.5 mm x 7.5 mm package * BCM4325GKWLG: IEEE802.11b/g wlCSP package * BCM4325HKWLG: IEEE802.11a/b/g wlCSP package
Broadcom(R), the pulse logo, Connecting everything(R), 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.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2007 by BROADCOM CORPORATION. All rights reserved. 4325--PB00-R 01/31/07
Phone: 949-450-8700 Fax: 949-926-5203 E-mail: info@broadcom.com Web: www.broadcom.com


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