WM8352 datasheet(252/336 Pages) WOLFSON

252 / 336 page

WM8352

Production Data

PD, February 2011, Rev 4.4

252

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

1:0

MCDSCTHR[1:0]

Threshold for microphone short-circuit detection

00 = 400μA

01 = 900μA

10 = 1350μA

11 = 1800μA

These threshold currents scale proportionally with

AVDD. The values given are for AVDD=3.3V.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R76 (4Ch)

Output

Control

OUT4_VROI

VREF (AVDD/2) to OUT4 resistance

0 = approx 500 ohms

1 = approx 30 kOhms

OUT3_VROI

VREF (AVDD/2) to OUT3 resistance

0 = approx 500 ohms

1 = approx 30 kOhms

OUT2_VROI

VREF (AVDD/2) to OUT2L and OUT2R

resistance

0 = approx 500 ohms

1 = approx 30 kOhms

OUT1_VROI

VREF (AVDD/2) to OUT1L and OUT1R

resistance

0 = approx 500 ohms

1 = approx 30 kOhms

OUTPUT_DRAIN_ENA

Enables a drain on the outputs allowing the

amplifiers to shutdown more quickly.

0 = Shutdown as normal

1 = Sink current from an external capacitor,

allowing faster shutdown.

OUT2_FB

Enable Headphone common mode ground

feedback for OUT2

0 = disabled (HPCOM unused)

1 = enabled (common mode feedback through

HPCOM)

OUT1_FB

Enable Headphone common mode ground

feedback for OUT1

0 = disabled (HPCOM unused)

1 = enabled (common mode feedback through

HPCOM)

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R77 (4Dh)

Jack Detect

JDL_ENA

Jack Detect Enable for inputs connected to IN2L

0 = disabled

1 = enabled

JDR_ENA

Jack Detect Enable for input connected to IN2R

0 = disabled

1 = enabled

WM8352 Datasheet(PDF) 252 Page - Wolfson Microelectronics plc

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