Datasheet > HSP3824

HSP3824

更新时间： 2024-11-13 21:54:47

品牌	Logo	应用领域
哈里斯 - HARRIS		/
页数	文件大小	规格书
41页	278K
描述
Direct Sequence Spread Spectrum Baseband Processor

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HSP3824 数据手册

S E M I C O N D U C T O R

HSP3824

Direct Sequence Spread Spectrum

Baseband Processor

PRELIMINARY

March 1996

Features

Description

The Harris HSP3824 Direct

Sequence (DSSS) baseband pro-

cessor is part of the PRISM™

• Complete DSSS Baseband Processor

• High Data Rate. . . . . . . . . . . . . . . . . . . . .up to 4 MBPS

• Processing Gain . . . . . . . . . . . . . . . . . . . . . up to 12dB

• Programmable PN Code . . . . . . . . . . . . up to 16 Bits

• Ultra Small Package . . . . . . . . . . . . . . . . . 7 x 7 x 1mm

• Single Supply Operation (33MHz Max) . . 2.7V to 5.5V

• Single Supply Operation (44MHz Max) . . 3.3V to 5.0V

• Modulation Method . . . . . . . . . . . . .DBPSK or DQPSK

• Supports Full or Half Duplex Operations

2.4GHz radio chipset, and contains

all the functions necessary for a full or half duplex packet base-

band transceiver.

The HSP3824 has on-board ADC’s for analog I and Q inputs, for

which the HFA3724 IF QMODEM is recommended. Differential

phase shift keying modulation schemes DBPSK and DQPSK,

with optional data scrambling capability, are combined with a pro-

grammable PN sequence of up to 16 bits. Built-in ﬂexibility allows

the HSP3824 to be conﬁgured through a general purpose control

bus, for a wide range of applications. A Receive Signal Strength

Indicator (RSSI) monitoring function with on-board 6-bit 2 MSPS

ADC provides Clear Channel Assessment (CCA) to avoid data

collisions and optimize network throughput. The HSP3824 is

housed in a thin plastic quad ﬂat package (TQFP) suitable for

PCMCIA board applications.

• On-Chip A/D Converters for I/Q Data (3-Bit, 44 MSPS)

and RSSI (6-Bit, 2 MSPS)

Applications

• Systems Targeting IEEE802.11 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

Ordering Information

PART NO.

TEMP. RANGE

PKG. TYPE

PKG. NO.

HSP3824VI

-40 C to +85 C

48 Lead TQFP

Q48.7x7

• Wireless Digital Video

• PCN/Wireless PBX

Simpliﬁed Block Diagram

Pinout

HSP3824 (TQFP)

3-BIT

I_IN

DPSK

DEMOD.

A/D

48 47 46 45 44 43 42 41 40 39 38 37

3-BIT

A/D

RXCLK

RXD

Q_IN

TEST_CK

TX_PE

TXD

MD_RDY

RX_PE

PRO-

CESSOR

INTER-

FACE

TXCLK

TX_RDY

GND

V_DD

6-BIT

A/D

RSSI

CCA

GND

CCA

CTRL

MCLK

V_DD

R/W

I_OUT

RESET

ANTSEL

A/D_CAL

V_DD

GND

I_IN

DPSK

MOD.

Q_OUT

13 14 15 16 17 18 19 20 21 22 23 24

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

File Number 4064.2

PRISM™ and the PRISM™ logo are Trademarks of Harris Corporation

12 3 4 5 6 7...41

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