Cirrus Logic CRD4205-2 User Manual
Crystalclear, Pc audio docking station companion board
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 2000
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CRD4205-2
CrystalClear
®
PC Audio Docking Station Companion Board
Features
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Companion board to CRD4205-1
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Emulates Docking Station Environment
– Simulates audio portion of PC docking station.
– Digital Interface to CRD4205-1
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High quality, low cost analog to digital (ADCs)
and digital to analog (DACs) converters
– CS5334 18-bit serial ADCs
– CS4334 24-bit serial DACs
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PCI Slot card (power only)
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Two stereo inputs
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One microphone input
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Four channel audio output
Description
The CRD4205-2 reference design is a companion card
to the CRD4205-1. The CRD4205-2 emulates the audio
sub-system in a PC digital docking station, and the
CRD4205-1 simulates the audio sub-system in a PC
notebook computer.
This reference design features stereo analog inputs for
Line, CD, and a mono input for Microphone. The card
also has four channel analog audio outputs. The docking
port is completely digital. The analog inputs in the
CRD4205-2 are processed by high quality 18-bit serial
ADCs. The analog outputs are processed by high quality
serial 24-bit DACs.
The CRD4205-2 is available by ordering the CMK4205-
3 manufacturing kit. This kit includes a full set of sche-
matics (OrCAD
®
7.2 format), PCB job files (PADS
®
ASCII), PCB Gerber files, bill of materials and WDM au-
dio drivers that support Windows 98se, Millennium
®
and
Windows 2000.
ORDERING INFORMATION
CMK4205-3 Manufacturing Kit for the CRD4205-2
CS4205
CRD4205-1
CRD4205-2
CS4334
CS5331A
DOCKING
PORT
LINE OUT1
LINE IN
MIC IN
CD IN
LINE OUT2
JP1
DEC ‘00
DS489RD2A1