Cirrus-logic CS6422 Manual do Utilizador descarregar pdf (Página 24)

CS6422

24

3.7 Register 4

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

AErle AFNse NErle NFNse RGain TGain 1000

00 00 00 00 00 00

0008

Bits Name Function Word Operation

15-14 AErle AEC Erle threshold 00*

01

10

11

24 dB

18 dB

30 dB

reserved

13-12 AFNse AEC Full-duplex Noise threshold 00*

01

10

11

zero

-42 dB

-54 dB

reserved

11-10 NErle NEC Erle threshold 00*

01

10

11

24 dB

18 dB

30 dB

reserved

9-8 NFNse NEC Full-duplex Noise threshold 00*

01

10

11

zero

-42 dB

-54 dB

reserved

7-6 RGain Rx analog Gain 00*

01

10

11

0 dB

6 dB

9.5 dB

12 dB

5-4 TGain Tx analog Gain 00*

01

10

11

0 dB

6 dB

9.5 dB

12 dB

* Denotes reset value

Table 7. Register 4 Bit Definitions

CS6422

24 DS295F1

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 47 48

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