CDB6422 Ver la hoja de datos (PDF) - Cirrus Logic

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CDB6422

Enhanced Full-Duplex Speakerphone IC

Cirrus Logic 

CS6422

3.6 Register 3

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

TSAtt PCSen

TDbtS

RDbtS

TSThd

TSBias

0

1

1

0

00

0

000

00

00

00

0

0

0

6

Bits

15-14

Name

TSAtt

13

12-10

PCSen

TDbtS

Function

Tx Suppression Attenuation

Path Change Sensitivity

Tx Double-talk Suppression

attenuation

9-8

RDbtS

7-6

TSThd

5-4

TSBias

Rx Double-talk Suppression

attenuation

Tx Suppression Threshold

Tx Suppression Bias

* Denotes reset value

Table 6. Register 3 Bit Definitions

Word

00*

01

10

11

0*

1

000*

001

010

...

110

111

00*

01

10

11

00*

01

10

11

00*

01

10

11

Operation

18 dB

12 dB

24 dB

reserved

high sensitivity

low sensitivity

0 dB

3 dB

6 dB

...

18 dB

21 dB

0 dB

3 dB

6 dB

9 dB

15 dB

12 dB

9 dB

18 dB

18 dB

15 dB

21 dB

reserved

22

DS295F1

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