Datasheet > ISL3890IK

ISL3890IK

更新时间： 2024-11-21 06:23:27

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瑞萨 - RENESAS		/
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ISL3890IK

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ISL3890IK 数据手册

ISL3890

Data Sheet

April 2003

FN8047.1

PRELIMINARY

Wireless LAN Integrated Medium Access

Controller with Baseband Processor

Features

• Firmware implements the full IEEE 802.11a/b/g Wireless

LAN MAC protocols

The Intersil ISL3890 Wireless LAN

Integrated Media Access Controller

with Baseband Processor is part of

• Internal WEP Engine allows 64 or 128 bit Encryption

• AES Hardware Accelerator

the PRISM® Duette, Dual Band radio

chipset. The ISL3890 directly interfaces with Intersil’s

ISL3690 Dual Band Direct Conversion transceiver. Adding

Intersil’s ISL3090 10GHz VCO and Intersil’s ISL3990 Dual Band

Power Amp completes an end-to-end WLAN Chipset solution

providing both 5GHz 802.11a and 2.4GHz 802.11b/g standards.

The 802.11 protocol is implemented in firmware supporting

custom WLAN solutions.

• Start-up modes allow the PCI configuration registers or

the Card Bus card information structure to be Initialized

from a small external serial EEPROM. This allows

firmware to be downloaded from the host.

• On-chip SRAM memory

• A low frequency crystal oscillator can maintain time, which

allows the high frequency clock source to be powered off

during sleep mode.

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.

• Firmware controlled antenna diversity

• Data Rates: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, &

54Mbps

• Modulation . . OFDM with BPSK, QPSK, 16QAM, 64QAM

DBPSK, DQPSK, CCK

• Convolutional coding and interleaving on all OFDM rates

• Targeted for OFDM Multipath Delay Spreads > 800ns for

6Mbps, and > 100ns for 54Mbps

Orthogonal Frequency Division Multiplexing (OFDM) of 52

sub-carriers modulated with BPSK, QPSK, 16QAM or

64QAM and a variety of convolutional coding rates provides

8 selectable data rates at 2.4GHz and 5GHz. Differential

phase shift keying modulation schemes, DBPSK and

DQPSK with data scrambling capability along with

Complementary Code Keying provide an additional 4

selectable data rates at 2.4GHz.

• Targeted for CCK Multipath Delay Spreads > 90ns at

11Mbps, >200ns at 5.5Mbps and >360ns at 1 and 2Mbps

• Direct interface with the ISL3690 Direct Conversion

transceiver

• High Data Rate Wireless LAN Systems targeting the IEEE

802.11a and b/g standards.

• Cardbus32 Wireless LAN Adapters

• Mini-PCI Wireless LAN Cards

• 3V PCI Wireless LAN Adapters

Built-in flexibility allows the ISL3890 to be configured for a

range of applications. The MAC is based on the ARM 946E

processor core that offers a wide variety of code

development support tools.

Simplified Block Diagram

The ISL3890 is housed in a thin plastic BGA package

suitable for CardBus or Mini-PCI circuit card applications.

A/D

Ordering Information

PART

TEMP.

NUMBER

RANGE (°C)

PACKAGE

PKG. NO.

ISL3890IK

ISL3890IK-TK

-40 to 85

256 Lead BGA V256.17x17A

Tape and Reel

D/A

SRAM

ISL3890

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 registered trademark of Intersil Americas Inc.

PRISM Duette™ and PRISM and design are trademarks of Intersil Americas Inc. All other trademarks mentioned are the property of their respective owner

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与ISL3890IK相关器件

型号	品牌	获取价格	描述	数据表
ISL3890IK-TK	RENESAS	获取价格	ISL3890IK-TK
ISL3893	INFINEON	获取价格	Wireless LAN Integrated Medium Access Controller with Baseband Processor
ISL3893IK	INFINEON	获取价格	Wireless LAN Integrated Medium Access Controller with Baseband Processor
ISL3893IK-TK	INFINEON	获取价格	Wireless LAN Integrated Medium Access Controller with Baseband Processor
ISL39300A-DAPDK	INTERSIL	获取价格	PRISM 54Mbps Wireless Local Area Network Access Point
ISL39300A-DAPDK-CD	INTERSIL	获取价格	PRISM 54Mbps Wireless Local Area Network Access Point
ISL39300A-DAPDK-EVAL	INTERSIL	获取价格	PRISM 54Mbps Wireless Local Area Network Access Point
ISL3980IR	RENESAS	获取价格	IC,MICROWAVE/MILLIMETER WAVE AMPLIFIER,SINGLE,GAAS,LLCC,24PIN,PLASTIC
ISL3980IR-TK	RENESAS	获取价格	IC,MICROWAVE/MILLIMETER WAVE AMPLIFIER,SINGLE,GAAS,LLCC,24PIN,PLASTIC
ISL3984	INTERSIL	获取价格	2.4GHz Power Amplifier and Detector

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