WM8580AGEFTV datasheet(94/106 Pages) WOLFSON

94 / 106 page

WM8580A

Production Data

PD, Rev 4.9, November 2013

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

5:4

Reserved

Reserved for additional de-emphasis modes.

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.

R46

SPDRXCHAN 3

2Eh

3:0

SRCNUM

[3:0]

Indicates S/PDIF source number.

5:4

CHNUM1[1:0]

Channel number for sub-frame 1.

00 = Take no account of channel number (channel 1 defaults to left

DAC)

01 = channel 1 to left channel

10 = channel 1 to right channel

7:6

CHNUM2[1:0]

Channel number for sub-frame 2.

00 = Take no account of channel number (channel 2 defaults to left

DAC)

01 = channel 2 to left channel

10 = channel 2 to right channel

R47

SPDRXCHAN 4

2Fh

3:0

FREQ[3:0]

Sampling Frequency Indicated

Refer to S/PDIF specification IEC60958-3 for details.

0001 = Sampling Frequency not indicated.

5:4

CLKACU[1:0]

Clock Accuracy of received clock.

00 = Level II

01 = Level I

10 = Level III

11 = Interface frame rate not matched to sampling frequency.

R48

SPDRXCHAN 5

30h

MAXWL

Maximum Audio sample word length

0 = 20 bits

1 = 24 bits

3:1

RXWL[2:0]

Audio Sample Word Length.

000: Word Length Not Indicated

RXWL[2:0]

MAXWL==1

MAXWL==

001

20 bits

16 bits

010

22 bits

18 bits

100

23 bits

19 bits

101

24 bits

20 bits

110

21 bits

17 bits

All other combinations are reserved and may give erroneous

operation. Data will be truncated internally when these bits are set

unless WL_MASK is set.

7:4

ORGSAMP

[3:0]

Original Sampling Frequency. See S/PDIF specification for details.

0000 = original sampling frequency not indicated

R49

SPDSTAT

31h

AUDIO_N

Linear PCM Identification

0 = Data word represents audio PCM samples.

1 = Data word does not represent audio PCM samples.

PCM_N

Indicates that non-audio code (defined in IEC-61937) has been

detected.

0 = Sync code not detected.

1 = Sync code detected – received data is not audio PCM.

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