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參數(shù)資料
| 型號(hào)： | CD6420 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | FULL DUPLEX SPEAKERPHONE CHIP |
| 中文描述： | 的全雙工免提通話芯片 |
| 文件頁(yè)數(shù)： | 39/52頁(yè) |
| 文件大?。?/td> | 815K |
| 代理商： | CD6420 |
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39
Copyright
Cirrus Logic, Inc. 1998
(All Rights Reserved)
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
CDB6420
CS6420 Evaluation Board
Features
l
Small size of important board components
eases system integration
l
Speaker driver included
l
Microphone bias circuitry provided
l
Easy connection to PC Parallel Port
l
Windows-based control software included
l
Analog and Digital Patch Area
l
Includes Evaluation Board, 3 1/2” Software
Diskette, and 25-Pin D Connection Cable.
Description
The CDB6420 allows an end-user to quickly and easily
integrate the CS6420 Full-Duplex Speakerphone IC into
a system and evaluate its performance. The board
comes with software which allows the registers of the
CS6420 to be manipulated from a personal computer
running Windows. Evaluation requires a +5 V power
supply. Connections for analog audio sources are pro-
vided on the board.
The CDB6420 includes a business card-sized section
which contains the CS6420 and all the elements neces-
sary to provide a speakerphone interface. This section
is available for direct insertion into a target system, if the
target system can provide the signals required by the
CS6420 Network Interface.
ORDERING INFORMATION
CDB6420
Evaluation Board
Digital
Patch Area
Analog
Patch Area
Parallel
Port
Connector
4
B
U
F
F
E
R
CS6420
AGND +5VA
NO
AO
SPEAKER
APO_IN
NI
API
APO
NI
NO
AO
BIAS
4
MICIN
JUN ‘97
DS205DB1
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