BCM4326
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AirForce One SINGLE-CHIP IEEE 802.11b/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
Highly integrated one-chip MAC, baseband, direct conversion
radio, and ARM7™ processor for low-power embedded
applications.
DSP architecture reduces the power required to transmit data by
30 percent.
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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.
Footprint-compatible with BCM4328 single-chip
IEEE 802.11a/b/g™ dual-band MAC/baseband/radio with
integrated CPU.
Dynamic power management through on-board PMU.
Only a single 3.3V external supply voltage is required.
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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.
Requires only a single 3.3V external supply voltage.
3.3V/1.8V-tolerant I/O.
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Security:
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WPA™ (personal) and WPA2™ (personal) certified for powerful
encryption and authentication
AES and TKIP in hardware for faster data encryption and
Support for 2.5V–5.5V VBAT supplies with a single external
switching regulator.
IEEE 802.11i™ compatibility
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Cisco
Compatible Extensions (CCX, CCX2.0, CCX3.0,
On-chip UART and JTAG interfaces for ease of debugging.
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CCX4.0) certified
SecureEasySetup™ for simple Wi-Fi setup and WPA2/WPA
security configuration
Available in FBGA (0.5-mm pitch) and WLCSP (0.25-mm pitch)
packages.
Worldwide support: global products supported with worldwide
homologated design.
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Integrated power amplifier for medium-transmit power embedded
devices; interface to external power amplifier for high-power
applications.
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OneDriver™: single driver across all platforms—IEEE 802.11a/
b/g/n—simplifies driver update process and improves customer
satisfaction.
BCM94326 Sample Module
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