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Wireless Solutions
LibertasTM
Wireless LAN 802.11g(b) Client Chipset
88W8010 and 88W8310
CMOS client solution. The 88W8010 is an optimized RF-baseband transceiver that integrates a near 20 dBm power amplier (23 dBm for 802.11b CCK signals), low noise amplier, voltage-controlled oscillator, frequency synthesizer, as well as other necessary RF and analog functions onto one chip. The 88W8310 product is a single chip that combines the functions of the Direct Sequence Spread Spectrum (DSSS) and Orthogonal Frequency Division Multiplexing (OFDM) baseband processor, Medium Access Control (MAC) processor, on-chip CPU, on-chip memory, advanced security engine, and various host interfaces. The high level of integration, close interaction of RF and digital functions, and a full implementation of the power of management functions specied in IEEE 802.11 minimize the system power requirements. Together, the 88W8010 and 88W8310 chipset supports IEEE 802.11g data rates of 6, 9, 12, 18, 24, 36, 48, and 54 Mbps as well as 802.11b rates of 1, 2, 5.5, and 11 Mbps. There is also support for proprietary data rates of 22 Mbps and 72 Mbps for client applications.
Libertas 88W8310 Client Chip
2.4 GHz
PRODUCT OVERVIEW The Marvell Libertas 88W8010 and 88W8310 chipset comprises the worldOs rst true, 2-chip 802.11g(b)
Libertas 88W8010 Optimized RF-Baseband Transceiver
Antenna Diversity
Controls
802.11 MAC 802.11e QoS Security Engine (WEP, AES, CCM)
Flash Controller Host Interface Internal Bus DMA Engine ARM9 CPU Memory
(Optional) Flash Mini PCI PCI CardBus
On-Chip LNA RF Filter RF Switch VCO On-Chip PA
Receiver Frequency Synthesizer Transmitter
ADC
Modulator 802.11g(b) External Interface
JTAG
DAC
Demodulator 802.11g(b) GPIO/ LED Power Mgmt.
20/40/44 MHz Crystal
UART
Serial (EEPROM) Controller
EEPROM GPIO (15:0)
Fig 1. Libertas WLAN 802.11g(b) Client Chipset (88W8010 and 88W8310) Block Diagram
88W8010 FEATURES BENEFITS
2.4 GHz ISM Band radio Integration of all RF to analog baseband transmit and receive functionalities High-performance heterodyne radio architecture Highly linear, on-chip power amplier with 23 dBm and 20 dBm output power at the antenna connector for 802.11b and 802.11g modulation schemes, respectively Integrated transmit power loop control for true power detection High receiver sensitivity
One single chip that is optimized to support all RF to analog baseband functions of the IEEE 802.11g(b) standard Reduces BOM cost, simplies board layout and provides smaller form factor Eliminates the need for SAW lter and reduces cost while providing superior performance compared to direct conversion architecture Reduces cost, increases range and provides high performance in terms of its ability to output 0 dBm to 20 dBm power at the antenna connector with 0.5 dBm resolution Stabilizes power amplier output at user designated values across temperature, voltage supply and semiconductor variations Improves detection of weak signals and increases range
LibertasTM Wireless LAN 802.11g(b) Client Chipset
88W8010 FEATURES
Low power design and advanced power management modes Small 7mm x 7mm, 48-pin QFN package
BENEFITS
Provides industry-leading low power consumption for transmit, receive, stand-by, and power save operation modes Reduced footprint allowing for very compact designs
88W8310 FEATURES
Embedded ARM processor for exible MAC architecture High Multi-Path delay spread tolerance Within-packet antenna diversity Custom DSP design Hardware security engine for WEP and 802.11i AES encryption and CCM message authentication Support for 802.11e Quality of Service (QoS) On-chip SRAM memory Host interfaces include: PCI, Mini PCI and 32-bit Cardbus 17mm x 17mm, 256-pin TFBGA package
BENEFITS
Ensures Libertas 802.11g(b) solution to be forward compatible to the IEEE 802.11g standard Longer range and better link robustness (reduces drop-outs) Longer range and better transmit and receive performance characteristic Superior performance and integration of complex functions in a low power design Allows the most secure wireless connections without degradation to wireless throughput performance Ensures reliable and simultaneous transmissions of data, voice and video at the same time Reduces BOM cost and reduces power consumption One chip supports all major clients interfaces Pin compatible to the Marvell Libertas 802.11b client chip. Allows easy transition from the Libertas 802.11b to 802.11g(b) products.
APPLICATIONS
The Marvell Libertas 88W8010 and 88W8310 chipset supports the following client adapter cards: CardBus (32-bit), Mini PCI and PCI adapter cards.
Marvell Libertas 802.11g(b) Client Solution
EEPROM or Flash Libertas RF-Baseband Transceiver (88W8010) Libertas Baseband/MAC Processor (88W8310)
Host Interfaces
Host Computer (PC and other Mobile Clients)
Fig 2. Libertas WLAN 802.11g(b) ClientDiagram (88W8010 and 88W8310) Applications Chipset THE MARVELL ADVANTAGE: The Libertas 802.11g(b) Wireless LAN client chipset also comes with complete reference designs which include such items as board layout designs, rmware, software, manufacturing diagnostic tools, documentation, and other items to assist customers with product evaluation and production. MarvellOs worldwide eld applications engineers collaborate closely with end customers to develop and deliver new competitive products to market on time. Marvell utilizes recognized world-leading semiconductor foundry and packaging services to reliably deliver high-volume and low cost total solutions. For more information, visit our website at www.marvell.com.
Marvell Semiconductor, Inc. 700 First Avenue Sunnyvale, CA 94089 Phone 408.222.2500 www.marvell.com
Copyright (c) 2003. Marvell. All rights reserved. Marvell, the Marvell logo, Moving Forward Faster, Alaska, and GalNet are registered trademarks of Marvell. Discovery, Fastwriter, GalTis, Horizon, Libertas, Link Street, NetGX, PHY Advantage, Prestera, Raise The Technology Bar, UniMAC, Virtual Cable Tester, and Yukon are trademarks of Marvell. All other trademarks are the property of their respective owners. 88W8010/8310-001 02/03

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