CMX639E2 View Datasheet(PDF) - CML Microsystems Plc

Part Name

Description

MFG CO.

CMX639E2

Consumer / Commercial CVSD Digital Voice Codec

CML Microsystems Plc 

1 2 3 4 5 6 7 8 9 10 Next

CVSD Codec

1.5 General Description

Data Enable

1

0

1

Powersave

1

don't care

0

Encoder Output

Enable

High Z (open circuit)

VSS

Table 2 Encoder Output

CMX639

Clock Mode 1

0

0

1

1

Clock Mode 2

0

1

0

1

Data/Sampling Clock Rate

(CLOCK/XTAL = f = 1.024MHz)

External Clocks

Internally generated @ f/16

Internally generated @ f/32

Internally generated @ f/64

Example for f = 1.024MHz

External Clocks

Internally generated @ 64kbps

Internally generated @ 32kbps

Internally generated @ 16kbps

Table 3 Clock Modes and Pins

1.6 Application Notes

Figure 3 System Configuration using the CMX639

© 2000 Consumer Microcircuits Limited

7

CMX639/2

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