CVSD CODEC Evaluation Kit

4

EV6090 Evaluation Kit

2001 MX-COM, Inc.

www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054

Doc. # 20480218.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

Output

Gain

Speaker

Driver

V+

I N

VDD

I N

GND

V-

I N

Power

Conditioning

CMX639

Input Conditioning

& Gain

PC +V

E6

Digital

Gates

V+

VDD

GND

V-

A

GND

D

GND

Figure 2: Power Conditioning Block Diagram

CMX639

Encode Out

Decode In

Encode Clock

Decode Clock

Local Digital

Control

Data Rate (2)

Algorithm

Powersave

Data Enable

Force Idle

3

4

3

4

To PC

Interface

J1

Figure 3: Digital Block Diagram