brief bcm4325 ? single chip ieee 802.11a/b/g mac/baseband/radio with integrated bluetooth ? 2.1 + edr and fm receiver for low-power mobile handset and handheld applications ? wlan key features single-band 2.4-ghz 802.11b/g or dual-band 2.4-ghz and 5- ghz 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 ? compatible extensions (ccx - ccx4.0) - secureeasysetup? for simple wi-fi setup and wpa2/ wpa security configuration worldwide regulatory support?global products supported with worldwide homologated design 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 al lowing 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 i2s and pcm interfaces. integrates the inconcert? 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 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 features features
overview ? phone: 949-450-8700 fax: 949-926-5203 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2007 by broadcom corporation. all rights reserved. 4325--pb00-r 01/31/07 broadcom ? , the pulse logo, connecting everything ? , and the connecting everything logo are among the trademarks of broadcom corporation and/or its aff iliates in the united states, certain other countries and/or the eu. any other trademarks or trade name s mentioned are the property of their respective owners. bcm4325 block diagram 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 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 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 host i/f ram rom wep/aes/tkip baseband mac phy cpu host i/f ram rom cpu switching regulator ldo lpo pmu wl bt packet traffic arbiter enhanced coexistence control logic block fm receiver bcm4325g uart i 2 c i 2 s/pcm sprom ieee 802.11b/g bluetooth ? 2.1 + edr sdio/spi uart jtag ref clocks 12-52 mhz crystal osc vbatt 32 khz clock vdd io/core bt rx bt tx fem external fem (pa/switch) for high power applications 2.4 ghz direct conversion radio modem 3t switch bcm4325h 5 ghz fem switch wl tx wl tx wl rx wl tx wl tx wl rx 5 ghz & 2.4 ghz direct conversion radio ieee 802.11a/b/g host interface sdio (4 wire, 1 wire, spi), uart standard ieee 802.11a, ieee 802.11g data rate 802.11a/g: 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 operating channels 11 for north america; 13 for europe; 14 for japan security 802.1x; wep, wep2, wpa, wpa2 (personal); tkip and aes hardware acceleration, 802.11i
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