參數(shù)資料
型號： HSP3824VI
廠商： Harris Corporation
元件分類： 基帶處理器
英文描述： Direct Sequence Spread Spectrum Baseband Processor
中文描述： 直接序列擴(kuò)頻基帶處理器
文件頁數(shù)： 1/41頁
文件大?。?/td> 276K
代理商： HSP3824VI
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1996
PRISM and the PRISM logo are Trademarks of Harris Corporation
1
S E M I C O N D U C T O R
Simplified Block Diagram
RSSI
I
IN
Q
IN
I
OUT
Q
OUT
DPSK
DEMOD.
PRO-
CESSOR
INTER-
FACE
DPSK
MOD.
D
CTRL
P
6-BIT
A/D
3-BIT
A/D
3-BIT
A/D
CCA
S
D
Pinout
HSP3824 (TQFP)
1
2
3
4
5
6
7
8
9
10
11
1213 14 15 16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
RXCLK
RXD
MD_RDY
RX_PE
CCA
GND
MCLK
V
DD
RESET
ANTSEL
A/D_CAL
SD
TEST_CK
TX_PE
TXD
TXCLK
TX_RDY
GND
R/W
CS
V
DD
GND
I
IN
V
DD
I
O
Q
O
T
T
T
V
D
G
T
T
T
T
T
Q
I
R
G
V
R
V
R
V
D
G
V
D
V
D
G
A
S
HSP3824
Direct Sequence Spread Spectrum
Baseband Processor
Features
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
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
Wireless Digital Video
PCN/Wireless PBX
PRELIMINARY
March 1996
File Number
4064.2
Description
The
Sequence (DSSS) baseband pro-
cessor is part of the PRISM
2.4GHz radio chipset, and contains
Harris
HSP3824
Direct
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.
Ordering Information
PART NO.
TEMP. RANGE
-40
o
C to +85
o
C
PKG. TYPE
PKG. NO.
HSP3824VI
48 Lead TQFP
Q48.7x7
TM
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