ISL3873AIK-TK datasheet, PDF - EEWORLD Datasheet

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ISL3873AIK-TK: DescriptionWireless LAN Integrated Medium Access Controller with Baseband Processor; File Size503KB，42 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

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ISL3873AIK-TK Overview

Wireless LAN Integrated Medium Access Controller with Baseband Processor

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ISL3873A

Data Sheet

September 2001

File Number

8015.2

Wireless LAN Integrated Medium Access

Controller with Baseband Processor

The Intersil ISL3873A Wireless LAN

Integrated Medium Access Controller

with Integrated Baseband Processor

is part of the PRISM® 2.4GHz radio

chip set. The ISL3873A 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 ISL3873A 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 ISL3873A to be configured

through a general purpose control bus, for a range of

applications. The ISL3873A is housed in a thin plastic BGA

package suitable for PCMCIA board applications.

The ISL3873A 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.

Features

• PCMCIA Host Interface and compatibility with USB V1.1.

• New Start Up Modes Allow the PCMCIA Card Information

Structure to be Initialized From a Serial EEPROM. This

Allows Firmware to be Downloaded from the Host,

Eliminating the Parallel Flash Memory Device

• 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

Allow Baseband Clock Source to Power off During Sleep

Mode

• Improved Performance of Internal WEP Engine

• Improvements to Debug Mode Support Tracing Execution

From on Chip Memory

• Programmable MBUS Cycle Extension Allows Accessing

of Slow Memory Devices Without Slowing the Clock

• 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,

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

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

250ns at 5.5Mbps

• 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

802.11b Standard

• Wireless LAN Access Points and Bridge Products

• Spread Spectrum WLAN RF Modems

Ordering Information

PART

NUMBER

ISL3873AIK

ISL3873AIK-TK

TEMP.

RANGE (

-40 to 85

PACKAGE

192 BGA

PART

NUMBER

V192.14x14

• TDMA or CSMA Packet Protocol Radios

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

• ISA, ISA PNP WLAN Cards

Tape and Reel 1000 Units /Reel

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

PRISM® is a registered trademark of Intersil Americas Inc.

PRISM and design is a trademark of Intersil Americas Inc.

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

1-888-INTERSIL or 321-724-7143

Intersil and Design is a trademark of Intersil Americas Inc.

ISL3873AIK-TK Related Products

	ISL3873AIK-TK	ISL3873A	ISL3873AIK
Description	Wireless LAN Integrated Medium Access Controller with Baseband Processor	Wireless LAN Integrated Medium Access Controller with Baseband Processor	Wireless LAN Integrated Medium Access Controller with Baseband Processor

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