CRD4205-1
CrystalClear
®
Notebook Audio Docking Station Example
Features
l
Emulates
Description
Docking Station Environment
The CRD4205-1 reference design features the CS4205
AC ‘97 audio codec and emulates the audio sub-system
in a PC notebook computer. The CRD4205-1 can be
used alone or with the CRD4205-2 companion card. The
CRD4205-2 companion card simulates the audio sub-
system in a PC digital docking station.
This reference design features stereo analog audio in-
puts for Line, CD, Video, and Aux inputs. In addition, the
card has mono analog inputs for Microphone, Modem
Audio, and PC Beep. It also has several advanced fea-
tures including a ZV port digital input and a S/PDIF digital
output.
The CRD4205-1 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, and bill of materials. In addi-
tion, WDM audio drivers that support Windows 98se,
Millennium
®
, and Windows 2000 are also included.
ORDERING INFORMATION
CMK4205-3 Manufacturing Kit for the CRD4205-1
– Simulates audio portion of a notebook
computer
– “Docks” to the CRD4205-2
l
Features
the CS4205 AC ‘97 audio codec.
– 18-bit Analog to Digital Converters (ADCs)
– 20-bit Digital to Analog Converters (DACs)
– Digital mixer
– Integrated digital effects
l
Four stereo and two mono analog inputs
l
Digital ZV port input
l
Five GPIO pins
l
CNR interface
l
S/PDIF (IEC-958) digital output
l
Crystal, oscillator, or PLL operation
l
Exceeds Microsoft PC-99 and PC-2001
audio performance requirements
MIC
IN
INT MODEM
CD IN
VIDEO IN
AUX IN
LINE
IN
LINE / HEADPHONE
OUT
CS4205
Cirrus Logic
CRD4205-1_REVB
S/PDIF
OUT
Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
©
Cirrus Logic, Inc. 2001
(All Rights Reserved)
FEB ‘01
DS489RD1A2
1
CIRRUS [ CIRRUS LOGIC ]
