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HFA3860B Dataheets PDF



Part Number HFA3860B
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description nullDirect Sequence Spread Spectrum Baseband Processor
Datasheet HFA3860B DatasheetHFA3860B Datasheet (PDF)

HFA3860B Data Sheet 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. ™ Features • Complete DSSS Baseband Processor • Processing Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . ≥10dB • Programmable Data Rate. . . . . . . 1, 2, 5.5, and 11M.

  HFA3860B   HFA3860B


Document
HFA3860B Data Sheet 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. ™ 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 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. Builtin 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. 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 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) IOUT QOUT TEST7 TEST6 TEST5 TEST4 VDD GND TEST3 TEST2 TEST1 TEST0 Simplified Block Diagram IIN DE-SPREADER 3-BIT A/D QOUT QIN RSSI GND VREFP VREFN VDDA GND VDDA VDD GND SDI SCLK SPREADER 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 36 1 35 2 34 3 33 4 32 5 31 6 30 7 29 8 28 9 27 10 26 11 25 12 13 14 15 16 17 18 19 20 21 22 23 24 RXCLK RXD MD_RDY RX_PE CCA GND MCLK VDD RESET ANTSEL ANTSEL SD QIN 3-BIT A/D RSSI 6-BIT A/D CCA PROCESSOR INTERFACE CTRL IOUT 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. DATA TO NETWORK PROCESSOR DEMOD. HFA3860B Table of Contents PAGE Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Simplified Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Typical Application Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . External Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Port (4 Wire) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TX Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RX Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I/Q A/D Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A/D Calibration Circuit and Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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