CVSD CODEC Evaluation Kit

11

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.

C2

C3

C4

23

4

ON

S2

U5

100K

R36

C23

C24

100UF

C22

0.1UF

C28

R31

100K

C2

C3

C4

2 3

4

ON

S1

E4

J4

J3

E11

E13

C25

.1UF

R30

10K

C27

.1UF

C6

.1UF

C5

.1UF

2200PF

C8

10K R9

.1UF C16

R33

C4

.1UF

10K

R4

10K R3

R6

100K

U4

U6

U2

E10

19

37

20

1

J1

R12

R11

R13

R10

R17

C31

R42

100

Ω

R1

3.9

C33

1000UF

E12

E9

E8

L1

R29

R22

R28

C32

1000UF

C15

.1UF

1000UF

C10

R16

1K

R27

U3

E2

E3

E6

E7

P1

P4

S3

.1UF C36

C14

1UF

U1

R43

C13

.1UF

10UF

C12

E5

OUTPUT DRIVER SECTION

RC2

RC1

COMPUTER CONTROL SECTION

POWER CONDITIONING

SECTION

S3

13

2

1

3

2

TP1

E1

HALT

EV6090

www.mxcom.com

www.cmlmicro.co.uk

www.cmlmicro.com.sg

MX6X9

CIRCUIT

SECTION

CLKMODE1

OFF

OFF

ON

ON

CLKMODE2

OFF

ON

OFF

ON

LOCAL DIGITAL CONTROL SECTION

GND

DECCLK

ENCCLK

DECIN

ENCOUT

16Kbit

32Kbit

64Kbit

EXTERNAL

3bit

4bit

100

Ω

AUDIO IN

ADJ

AUDIO OUT/

VOL ADJ

3bit

4bit

ALGORITHM

OFF

ON

Figure 8: Evaluation Board Layout

5 Specifications

Characteristic

Signal

Designator

Connector

Designator

Min

Typ

Max

Unit

s

Storage temperature

-20

70

°C

Operating temperature

10

35

°C

Analog ground

AGND

J2:4, J3:C1, J4:C1,

P2:2, P2:4, P3:3

0

0

0

V

Analog positive supply voltage

V+ IN

P3:1

2.7

5.5

V

Analog negative supply

voltage

V- IN

P3:4

-5.5

0

V

DUT & Digital supply voltage

VDD IN

P3:2

3.0

5.5

V

Microphone input jack type

MIC

J3:C1, C5

mono

or

stere

o

Speaker output jack type

SPEAKER

J4:C1, C3, C5

stere

o