WM8993 datasheet(210/229 Pages) WOLFSON

210 / 229 page

WM8993

Production Data

PD, November 2010, Rev 4.0

210

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R122 (7Ah)

Digital Pulls

MCLK_PU

MCLK pull-up resistor enable

0 = pull-up disabled

1 = pull-up enabled

MCLK_PD

MCLK pull-down resistor enable

0 = pull-down disabled

1 = pull-down enabled

DACDAT_PU

DACDAT pull-up resistor enable

0 = pull-up disabled

1 = pull-up enabled

DACDAT_PD

DACDAT pull-down resistor enable

0 = pull-down disabled

1 = pull-down enabled

LRCLK_PU

LRCLK pull-up resistor enable

0 = pull-up disabled

1 = pull-up enabled

LRCLK_PD

LRCLK pull-down resistor enable

0 = pull-down disabled

1 = pull-down enabled

BCLK_PU

BCLK pull-up resistor enable

0 = pull-up disabled

1 = pull-up enabled

BCLK_PD

BCLK pull-down resistor enable

0 = pull-down disabled

1 = pull-down enabled

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R123 (7Bh)

DRC Control

DRC_ENA

DRC enable

0 = disabled

1 = enabled

DRC_DAC_PA

DRC path select

0 = ADC path

1 = DAC path

DRC_SMOOT

H_ENA

Gain smoothing enable

0 = disabled

1 = enabled

DRC_QR_ENA

Quick release enable

0 = disabled

1 = enabled

DRC_ANTICLI

P_ENA

Anti-clip enable

0 = disabled

1 = enabled

DRC_HYST_E

Gain smoothing hysteresis enable

0 = disabled

1 = enabled

5:4

DRC_THRESH

_HYST [1:0]

Gain smoothing hysteresis threshold

00 = Low

01 = Medium (recommended)

10 = High

11 = Reserved

3:2

DRC_MINGAIN

Minimum gain the DRC can use to attenuate audio

WM8993 Datasheet(PDF) 210 Page - Wolfson Microelectronics plc

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