WM8580 datasheet(83/92 Pages) WOLFSON

83 / 92 page

Production Data

WM8580

PD Rev 4.0 February 2007

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

GPO5

2Ah

7:4

GPO10OP

[3:0]

1001

0111 = UNLOCK

1000 = CSUD

1001 = REC_FREQ192

1010 = ZFLAG

1011 = NON_AUDIO

1100 = CPY_N

1101 = DEEMP

1110 = Set GPO as S/PDIF input (standard CMOS input buffer).

Only applicable for GPO3/4/5.

1111 = Set GPO as S/PDIF input (‘comparator’ input for AC

coupled consumer S/PDIF signals). Only applicable for GPO3/4/5

UPD_UNLOCK

UNLOCK flag update signal

0 = INTB not caused by update to UNLOCK flag

1 = INTB caused by update to UNLOCK flag

INT_INVALID

INVALID flag interrupt signal

0 = INTB not caused by INVALID flag

1 = INTB caused by INVALID flag

INT_CSUD

CSUD flag interrupt signal

0 = INTB not caused by CSUD flag

1 = INTB caused by CSUD flag

INT_TRANS_ERR

TRANS_ERR flag interrupt signal

0 = INTB not caused by TRANS_ERR flag

1 = INTB caused by TRANS_ERR flag

UPD_NON_AUDIO

NON_AUDIO update signal

0 = INTB not caused by update to NON_AUDIO flag

1 = INTB caused by update to NON_AUDIO flag

UPD_CPY_N

CPY_N update signal

0 = INTB not caused by update to CPY_N flag

1 = INTB caused by update to CPY_N flag

UPD_DEEMPH

DEEMPH update signal

0 = INTB not caused by update to DEEMPH flag

1 = INTB caused by update to DEEMPH flag

R43

INTSTAT

2Bh

UPD_REC_FREQ

REC_FREQ update signal

0 = INTB not caused by update to REC_FREQ flag

1 = INTB caused by update to REC_FREQ flag

CON/PRO

0 = Consumer Mode

1 = Professional Mode

The WM8580 is a consumer mode device. Detection of

professional mode may give erroneous behaviour.

AUDIO_N

Recovered S/PDIF Channel status bit 1.

0 = Data word represents audio PCM samples.

1 = Data word does not represent audio PCM samples.

CPY_N

0 = Copyright is asserted for this data.

1 = Copyright is not asserted for this data.

DEEMPH

0 = Recovered S/PDIF data has no pre-emphasis.

1 = Recovered S/PDIF data has pre-emphasis.

5:4

Reserved

Reserved for additional de-emphasis modes.

R44

SPDRXCHAN 1

7:6

CHSTMODE

[1:0]

00 = Only valid mode for consumer applications.

R45

SPDRXCHAN 2

2Dh

7:0

CATCODE

[7:0]

Category Code. Refer to S/PDIF specification for details.

00h indicates “general” mode.

WM8580 Datasheet(PDF) 83 Page - Wolfson Microelectronics plc

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