Notebook Audio Docking Station Example
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
The CRD4205-1 is available by ordering the CMK4205-
3 manufacturing kit. This kit includes a full set of sche-
ASCII), PCB Gerber files, and bill of materials. In addi-
tion, WDM audio drivers that support Windows 98se,
, and Windows 2000 are also included.
CMK4205-3 Manufacturing Kit for the CRD4205-1
– Simulates audio portion of a notebook
– “Docks” to the CRD4205-2
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
Four stereo and two mono analog inputs
Digital ZV port input
Five GPIO pins
S/PDIF (IEC-958) digital output
Crystal, oscillator, or PLL operation
Exceeds Microsoft PC-99 and PC-2001
audio performance requirements
LINE / HEADPHONE
Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Cirrus Logic, Inc. 2001
(All Rights Reserved)