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ISL3880

更新时间： 2024-01-31 23:37:59
品牌 Logo 应用领域
英特矽尔 - INTERSIL 控制器无线无线局域网
页数 文件大小 规格书
1页 114K
描述
Wireless LAN Integrated Medium Access Controller with Baseband Processor

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ISL3880 技术参数

是否Rohs认证：不符合生命周期：Transferred
包装说明：BGA, BGA256,16X16,40Reach Compliance Code：not_compliant
风险等级：5.82Is Samacsys：N
JESD-30 代码：S-PBGA-B256端子数量：256
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：BGA
封装等效代码：BGA256,16X16,40封装形状：SQUARE
封装形式：GRID ARRAY认证状态：Not Qualified
子类别：Serial IO/Communication Controllers表面贴装：YES
温度等级：INDUSTRIAL端子形式：BALL
端子节距：1 mm端子位置：BOTTOM
uPs/uCs/外围集成电路类型：SERIAL IO/COMMUNICATION CONTROLLER, LANBase Number Matches：1

ISL3880 数据手册

  
ISL3880  
®
Data Sheet  
March 2003  
FN8054  
PRELIMINARY  
Wireless LAN Integrated Medium Access  
Controller with Baseband Processor  
Features  
• Firmware implements the full IEEE 802.11b/g Wireless  
LAN MAC protocols  
The Intersil ISL3880 Wireless LAN  
Integrated Media Access Controller  
• Internal WEP Engine allows 64 or 128 bit Encryption  
• AES Hardware Accelerator  
with Baseband Processor is part of  
the PRISM GTi™ radio chipset. The  
ISL3880 directly interfaces with the Intersil’s ISL3680 Direct  
Conversion Transceiver with AGC and synthesizer. Adding  
Intersil’s ISL3090 10GHz VCO and Intersil’s ISL3980 Power  
Amp completes an end-to-end WLAN Chipset solution for the  
2.4GHz 802.11b/g standards. The 802.11Protocol is  
implemented in firmware to provide for 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,and 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 from > 800ns  
for 6 Mbps to > 100ns for 54Mbps  
Orthogonal Frequency Division Multiplexing (OFDM)  
modulated with BPSK, QPSK, 16 QAM, or 64 QAM and a  
variety of convolutional coding rates provides 8 selectable  
data rates. 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.  
• Targeted for CCK Multipath Delay Spreads > 90ns at  
11Mbps, >200 ns at 5.5 Mbps, and >360ns at 1 and  
2Mbps  
• Direct interface with the ISL3680 Direct Conversion  
Transceiver  
Applications  
Built-in flexibility allows the ISL3880 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.  
• High Data Rate Wireless LAN Systems Targeting the IEEE  
802.11b/g Standards.  
• Cardbus32 Wireless LAN Adapters  
• Mini-PCI Wireless LAN Cards  
• 3V PCI Wireless LAN Adapters  
Ordering Information  
The ISL3880 is housed in a thin plastic BGA package  
suitable for CardBus or Mini-PCI circuit card applications.  
Simplified Block Diagram  
PART  
TEMP.  
NUMBER  
RANGE (°C)  
PACKAGE  
PKG. NO.  
ISL3880IK  
-40 to 85  
-40 to 85  
256 Lead BGA V256.17x17A  
Tape and Reel  
A/D  
ISL3880IK-TK  
D/A  
SRAM  
ISL3880  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2002. All Rights Reserved, Microsoft® and Windows® are registered trademarks of Microsoft Corporation.,  
PRISM GTi is a trademark of Intersil Americas Inc., PRISM and design is a trademark of Intersil Americas Inc.  
1

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