bcm4328 ? airforce one? single-chip ieee 802.11a/b/g? mac/baseband/radio with integrated cpu BCM94328 sample module ? highly integrated one-chip mac, baseband, dual-band direct conversion radio and arm7? processor for low-power embedded applications. ? designed to meet exacting requirements of mobile devices, including small form factor, ultra-low power consumption, and low cost. ? footprint-compatible with bcm4326 single-chip ieee 802.11b/g? 2.4-ghz band mac/baseband/radio with integrated cpu. ? support for multiple interface options popular in embedded designs: sdio (1- and 4-bit) and usb 2.0. ? embedded arm7 cpu that executes the full wlan driver, eliminating the need for complicated wireless lan integration into the host platform. ? portable streamlined software interface for easy migration to embedded operating systems. ? 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. ? internal fractional npll allows support for a wide range of reference clock frequencies. ? requires only a single 3.3v external supply voltage. ? 3.3v/1.8v-tolerant i/o. ? support for 2.5v?5.5v vbat supplies with a single external switching regulator. ? on-chip uart and jtag interfaces for ease of debugging. ? available in fbga (0.5-mm pitch) and wlcsp (0.25-mm pitch) packages. ? integrated power amplifier for medium-transmit power embedded devices; interface to external power amplifier for high-power applications. ? dsp architecture reduces the power required to transmit data by 30 percent. ? low power consumption improves battery life of wi-fi ? devices, including handheld devices and consumer electronics. ? 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. ? smartradio?: continuous calibration reduces test time and improves manufacturability. ? xpress? technology: standards-based frame bursting improves overall network efficiency. ? 125 high speed mode?: standards-plus performance enhancement delivers best real-world performance when both client and ap support high-speed mode. ? enhanced broadrange? technology: standards-compliant features increase receive sensitivity to improve range and distance performance at higher data rates. ? security: ? wpa ? (personal) and wpa2 ? (personal) certified for powerful encryption and authentication ? aes and tkip in hardware for faster data encryption and ieee 802.11i? compatibility ? cisco ? compatible extensions (ccx, ccx2.0, ccx3.0, ccx4.0) certified ? secureeasysetup ? for simple wi-fi setup and wpa2/wpa security configuration ? worldwide support: global products supported with worldwide homologated design. ? onedriver?: single driver across all platforms?ieee 802.11a/b/ g/n?simplifies driver update process and improves customer satisfaction. features power management airforce? feature set
block diagram and specifications ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2006 by broadcom corporation. all rights reserved. 4328-pb02-r 12/05/06 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 ot her countries and/or the eu. bluetooth ? is a trademark of the bluetooth sig. any other trademarks or trad e names mentioned are the property of their respective owners. for ordering information, contact your broadcom sales representative. interface sdio (4-wire, 1-wire, spi), usb 2.0 (bcm4328u) system bus support sdio, usb 2.0 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 modulation ofdm, cck, dqpsk, dbpsk network architectures infrastructure and ad hoc operating frequencies 2.4 ghz to 2.497 ghz, 4.9 ghz to 5.85 ghz operating channels 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 hardware diversity support?transmit and receive power requirements 3.3v (2.5v to 5.5v vbat power supplies provided by using a single external switching regulator) power consumption 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 dimensions fbga: 10 mm x 10 mm software support ? 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? bcm4328 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) ieee 802.11 dual-band (2.4-ghz/5-ghz) direct conversion radio buffers mac wep/aes encryption ieee 802.11a/g baseband host i/f: sdio or usb 2.0 (bcm4328u) pll arm7 sprom, uart, jtag, gpio interfaces 3.3v host i/f silicon backplane 384-kb sram 80-kb rom vreg sprom vreg uart jtag gpio 2.4-ghz pa and front-end circuit 5-ghz pa and front-end circuit
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