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Intersil Corporation - nullDirect Sequence Spread Spectrum Baseband Processor

Numéro de référence HFA3860BIV96
Description nullDirect Sequence Spread Spectrum Baseband Processor
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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HFA3860BIV96 fiche technique
Data Sheet
HFA3860B
July 1999 File Number 4594.1
Direct Sequence Spread Spectrum
Baseband Processor
The Harris HFA3860B Direct Sequence
Spread Spectrum (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.
The HFA3860B has on-board A/Ds for analog I and Q inputs,
for which the HFA3724/6 IF QMODEM is recommended.
Differential phase shift keying modulation schemes DBPSK
and DQPSK, with data scrambling capability, are available
along with Complementary Code Keying and M-Ary
Bi-Orthogonal Keying to provide a variety of data rates. Built-
in flexibility allows the HFA3860B 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 HFA3860B is housed in a thin plastic quad
flat package (TQFP) suitable for PCMCIA board applications.
Ordering Information
PART NO.
HFA3860BIV
HFA3860BIV96
TEMP.
RANGE (oC)
-40 to 85
-40 to 85
PKG. TYPE
48 Ld TQFP
Tape and Reel
PKG. NO.
Q48.7x7
Pinout
HFA3860B (TQFP)
TEST_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
1213
14
15
16
17
18
19
20
21
22
23
25
24
RXCLK
RXD
MD_RDY
RX_PE
CCA
GND
MCLK
VDD
RESET
ANTSEL
ANTSEL
SD
Features
• Complete DSSS Baseband Processor
• Processing Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 10dB
• Programmable Data Rate. . . . . . . 1, 2, 5.5, and 11MBPS
• Ultra Small Package . . . . . . . . . . . . . . . . . . . 7 x 7 x 1mm
• Single Supply Operation (44MHz Max) . . . . 2.7V to 3.6V
• Modulation Methods . . DBPSK, DQPSK, CCK, 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)
• Backwards Compatible with HFA3824A, HFA3860A
• Supports Dual Antenna Diversity
Applications
• Enterprise WLAN Systems
• Systems Targeting IEEE 802.11 Standard
• 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
Simplified Block Diagram
IIN
3-BIT
A/D
DEMOD.
QIN
RSSI
IOUT
3-BIT
A/D
6-BIT
A/D
CCA
PRO-
CESSOR
INTER-
FACE
CTRL
QOUT
MOD.
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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