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دیتاشیت - Intersil Corporation - 11 Mbps Direct Sequence Spread Spectrum Baseband Processor

شماره قطعه HFA3860
شرح مفصل 11 Mbps Direct Sequence Spread Spectrum Baseband Processor
تولید کننده Intersil Corporation 
آرم Intersil Corporation 


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HFA3860 شرح
Data Sheet
HFA3860
July 1998
File Number 4347
11 Mbps Direct Sequence Spread
Spectrum Baseband Processor
The Intersil HFA3860 Direct Sequence
(DSSS) baseband processor is part of
the PRISM 2.4GHz radio chipset, and
contains all the functions necessary for
a full or half duplex packet baseband
transceiver for applications requiring 11 Mbps performance.
The HFA3860 has on-board A/Ds for analog I and Q inputs, for
which the HFA3726 IF QMODEM is recommended. Differential
phase shift keying modulation schemes DBPSK and DQPSK,
with data scrambling capability are available, along with M-Ary
Bi-Orthogonal Keying to provide a variety of data rates. Built-in
flexibility allows the HFA3860 to be configured through a
general purpose control bus, for a range of applications. A
Receive Signal Strength Indicator (RSSI) monitoring function
with on-board 6-bit A/D provides Clear Channel Assessment
(CCA) to avoid data collisions and optimize network throughput.
The HFA3860 is housed in a thin plastic quad flat package
(TQFP) suitable for PCMCIA board applications.
Ordering Information
PART NO.
HFA3860IV
HFA3860IV96
TEMP.
RANGE (oC)
-40 to 85
-40 to 85
PKG. TYPE
48 Ld TQFP
Tape and Reel
PKG. NO.
Q48.7x7
Simplified Block Diagram
IIN
3-BIT
A/D
QIN
3-BIT
A/D
RSSI
6-BIT
A/D
IOUT
DEMOD.
CCA
PRO-
CESSOR
INTER-
FACE
CTRL
QOUT
MOD.
Features
• Complete DSSS Baseband Processor
• Processing Gain . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4dB
• Programmable Data Rate. . . . . . . . 1, 2, 5.5, and 11 Mbps
• Ultra Small Package . . . . . . . . . . . . . . . . . . . . 7 x 7 x 1mm
• Single Supply Operation (44MHz Max) . . . . . 2.7V to 3.6V
• Modulation Methods . . . . . . .DBPSK, DQPSK, and MBOK
• Supports Full or Half Duplex Operations
• On-Chip A/D Converters for I/Q Data (3-Bit, 22 MSPS)
and RSSI (6-Bit)
• Similar Pinout to HFA3824
Applications
• Systems Targeting IEEE 802.11 WLAN Standard
• Point-to-Point Links
• DSSS PCMCIA Wireless Transceiver
• Spread Spectrum WLAN RF Modems
• TDMA Packet Protocol Radios
• Part 15 Compliant Radio Links
• Portable Bar Code Scanners/POS Terminal
• Portable PDA/Notebook Computer
• Wireless Digital Audio
• Wireless Digital Video
• PCN/Wireless PBX
Pinout
HFA3860 (TQFP)
EST_CK
TX_PE
TXD
TXCLK
TX_RDY
GND
VDD
R/W
CS
VDDA
GND
IIN
48 47 46 45 44 43 42 41 40 39 38 37
1 36
2 35
3 34
4 33
5 32
6 31
7 30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
RXCLK
RXD
MD_RD
RX_PE
CCA
GND
MCLK
VDD
RESET
ANTSE
ANTSE
SD
4-1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
PRISM® is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.

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