WM8802SCFV datasheet(56/65 Pages) WOLFSON

56 / 65 page

WM8802

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PP Rev 1.1 April 2004

READ REGISTER OUTPUT CONTENTS

ADDRESS

DO15

DO14

DO13

DO12

DO11

DO10

DO9

DO8

CCB address; 0xEA

DEMPF

OSLIPO

OPCRNW

OUNPCM

OCSRNW

OFSCHG

OINDET

OERROR

RERR output (Output status during read)

0: No transfer error in PLL locked status

1: Transfer error in PLL unlocked status

OINDET

Data input pin status change (Clear following read)

0: No change in data input pin status

1: Change in data input pin status

OFSCHG

Input fs calculation update result (clear following read)

0: No input fs calculation update

1: Input fs calculation update

OCSRNW

First 48 bit channel status update result (Clear following read)

0: No update

1: Update

OUNPCM

AUDIO output (Output of status during read)

0: Non-PCM signal not detected

1: Non-PCM signal detected

OPCRNW

Burst preamble Pc update result (Clear following read)

0: No update

1: Update

OSLIPO

Read data twice and detect data loss during slave operation

(Clear following read)

0: No detection

1: Two reads, lost data detected

OEMPF

Channel status emphasis detection (Output status during

read)

0: No pre-emphasis

1: 50/15

µs pre-emphasis

The status of RERR and AUDIO is read according to RESEL and AOSEL settings regardless of the

INT

output setting from OERROR and OUNPCM.

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