CDB6422 查看數據表（PDF） - Cirrus Logic

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产品描述 (功能)

比赛名单

CDB6422

Enhanced Full-Duplex Speakerphone IC

Cirrus Logic 

CS6422

3.3 Register 0

b15 b14 b13 b12 b11 b10 b9

Mic HDD

GB

RVol

1

0

10

0100

A

4

b8 b7 b6 b5 b4 b3 b2 b1 b0

TSD

ACC

TSMde 0 0 0 0

0

00

0

0

0

Bits Name

15 Mic

14 HDD

13-12 GB

Function

Microphone preamplifier enable

Half-Duplex Disable

Graded Beta

11-8 RVol

Rx Volume control

7 TSD

6-5 ACC

Tx Suppression Disable

AEC Coefficient Control

4 TSMde

Tx Suppression Mode

Word

0

1*

0*

1

00

01

10*

11

0000

0001

---

0100*

---

1010

1011

---

1101

1110

1111

0*

1

00*

01

10

11

0*

1

* Denotes reset value

Table 3. Register 0 Bit Definitions

Operation

disable mic preamp

enable mic preamp

enable half-duplex

disable half-duplex

0.00 dB/ms

0.75 dB/ms

0.38 dB/ms

0.19 dB/ms

+30 dB

+27 dB

---

+18 dB

---

+0 dB

-3 dB

---

-9 dB

-12 dB

mute

enable Tx suppression

disable Tx suppression

Normal

Clear

Freeze

reserved

enable noise guard

disable noise guard

14

DS295F1

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