ISL3873BIK Intersil, ISL3873BIK Datasheet

ISL3873BIK

Manufacturer Part Number

ISL3873BIK

Description

Manufacturer

Intersil

Datasheet

1.ISL3873BIK.pdf (42 pages)

Specifications of ISL3873BIK

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Download datasheet (489Kb)

Wireless LAN Integrated Medium Access

Controller with Baseband Processor

chip set. The ISL3873B directly interfaces with the Intersil’s

IF QMODEM (HFA3783). Adding Intersil’s RF/IF Converter

(ISL3685) and Intersil’s Power Amp (HFA3983) offers the

designer a complete end-to-end WLAN Chip Set solution.

Protocol and PHY support are implemented in firmware, thus

supporting customization of the WLAN solution.

Firmware implements the full IEEE 802.11 Wireless LAN

MAC protocol. It supports BSS and IBSS operation under

DCF, and operation under the optional Point Coordination

Function (PCF). Low level protocol functions such as

RTS/CTS generation and acknowledgment, fragmentation

and de-fragmentation, and automatic beacon monitoring are

handled without host intervention. Active scanning is

performed autonomously once initiated by host command.

Host interface command and status handshakes allow

concurrent operations from multi-threaded I/O drivers.

Additional firmware functions specific to access point

applications are also available.

The ISL3873B has on-board A/Ds and D/A for analog I and

Q inputs and outputs, for which the HFA3783 IF QMODEM

is recommended. Differential phase shift keying modulation

schemes DBPSK and DQPSK, with data scrambling

capability, are available along with Complementary Code

Keying to provide a variety of data rates. Both Receive and

Transmit AGC functions with 7-bit AGC control, obtain

maximum performance in the analog portions of the

transceiver.

Built-in flexibility allows the ISL3873B to be configured

through a general purpose control bus, for a range of

applications. The ISL3873B is housed in a thin plastic BGA

package suitable for PCMCIA board applications.

The ISL3873B is designed to provide maximum

performance with minimum power consumption. External pin

layout is organized to provide optimal PC board layout to all

user interfaces including PCMCIA and USB.

Ordering Information

ISL3873BIK

ISL3873BIK-TK

NUMBER

PART

P RE L I M I N A RY

RANGE (

-40 to 85

TEMP.

The Intersil ISL3873B Wireless LAN

Integrated Medium Access Controller

with Integrated Baseband Processor

is part of the PRISM® 2.4GHz radio

192 BGA

Tape and Reel 1000 Units /Reel

PACKAGE

Data Sheet

V192.14x14

NUMBER

PART

1-888-INTERSIL or 321-724-7143

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• Supports USB V1.1, and PCMCIA Host Interface

• New Start Up Modes Allow the PCMCIA Card Information

• Firmware Can be Loaded from Serial Flash Memory

• Zero Glue Connection to 16-Bit Wide SRAM Devices

• Low Frequency Crystal Oscillator to Maintain Time and

• Improved Performance of Internal WEP Engine

• Improvements to Debug Mode Support Tracing Execution

• Programmable MBUS Cycle Extension Allows Accessing

• Complete DSSS Baseband Processor

• RAKE Receiver with Decision Feedback Equalizer

• Processing Gain. . . . . . . . . . . . . . . . . . . . .FCC Compliant

• Programmable Data Rate . . . . . . . 1, 2, 5.5, and 11Mbps

• Ultra Small Package. . . . . . . . . . . . . . . . . . . . . 14 x 14mm

• Single Supply Operation . . . . . . . . . . . . . . . . 2.7V to 3.6V

• Modulation Methods. . . . . . . . DBPSK, DQPSK, and CCK

• Supports Full or Half Duplex Operations

• On-Chip A/ D and D/A Converters for I/Q Data (6-Bit,

• Targeted for Multipath Delay Spreads 125ns at 11Mbps,

• Supports Short Preamble and Antenna Diversity

Applications

• PC Card Wireless LAN Adapters

• USB and PCMCIA Wireless LAN Adapters

• PCN / Wireless PBX / Wireless Local Loop

• High Data Rate Wireless LAN Systems Targeting IEEE

• Wireless LAN Access Points and Bridge Products

• Spread Spectrum WLAN RF Modems

• TDMA or CSMA Packet Protocol Radios

• PCI Wireless LAN Cards (Using Ext. Bridge Chip)

• ISA, ISA PNP WLAN Cards

Structure to be Initialized From a Serial EEPROM; this

Allows Firmware to be Downloaded from the Host,

Eliminating the Parallel Flash Memory Device

Allow Baseband Clock Source to Power off During Sleep

Mode

From on Chip Memory

of Slow Memory Devices Without Slowing the Clock

22MSPS), AGC, and Adaptive Power Control (7-Bit)

250ns at 5.5Mbps

802.11b Standard

Microsoft® and Windows® are registered trademarks of Microsoft Corporation.

June 2002

Intersil (and design) is a registered trademark of Intersil Americas Inc.

PRISM® is a registered trademark of Intersil Americas Inc.

PRISM and design is a trademark of Intersil Americas Inc.

ISL3873B

FN8019.2

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