WM1811A datasheet(287/328 Pages) WOLFSON

287 / 328 page

Production Data

WM1811A

PD, November 2013, Rev 4.1

287

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R1345

(0541h) AIF2

DRC (2)

12:9

AIF2DRC_ATK

[3:0]

0100

AIF2 DRC Gain attack rate (seconds/6dB)

0000 = Reserved

0001 = 181us

0010 = 363us

0011 = 726us

0100 = 1.45ms

0101 = 2.9ms

0110 = 5.8ms

0111 = 11.6ms

1000 = 23.2ms

1001 = 46.4ms

1010 = 92.8ms

1011 = 185.6ms

1100-1111 = Reserved

8:5

AIF2DRC_DCY

[3:0]

0010

AIF2 DRC Gain decay rate (seconds/6dB)

0000 = 186ms

0001 = 372ms

0010 = 743ms

0011 = 1.49s

0100 = 2.97s

0101 = 5.94s

0110 = 11.89s

0111 = 23.78s

1000 = 47.56s

1001-1111 = Reserved

4:2

AIF2DRC_MINGA

IN [2:0]

001

AIF2 DRC Minimum gain to attenuate audio signals

000 = 0dB

001 = -12dB (default)

010 = -18dB

011 = -24dB

100 = -36dB

101 = Reserved

11X = Reserved

1:0

AIF2DRC_MAXG

AIN [1:0]

AIF2 DRC Maximum gain to boost audio signals (dB)

00 = 12dB

01 = 18dB

10 = 24dB

11 = 36dB

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R1346

(0542h) AIF2

DRC (3)

15:12

AIF2DRC_NG_MI

NGAIN [3:0]

0000

AIF2 DRC Minimum gain to attenuate audio signals when the noise gate is

active.

0000 = -36dB

0001 = -30dB

0010 = -24dB

0011 = -18dB

0100 = -12dB

0101 = -6dB

0110 = 0dB

WM1811A Datasheet(PDF) 287 Page - Wolfson Microelectronics plc

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