WM8580 datasheet(85/97 Pages) WOLFSON

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Production Data

WM8580

PD Rev 4.3 August 2007

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

MAXWL

Maximum Audio sample word length

0 = 20 bits

1 = 24 bits

Audio Sample Word Length.

000 = Word Length Not Indicated

TXWL[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

3:1

TXWL[2:0]

101

All other combinations reserved

R35

SPDTXCHAN 5

23h

7:4

ORGSAMP

[3:0]

0000

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

0000 = original sampling frequency not indicated

SPDIFIN1MODE

Selects the input circuit type for the SPDIFIN1 input

0 = CMOS-compatible input

1 = Comparator input. Compatible with 500mVpp AC coupled

consumer S/PDIF input signals as defined in IEC-60958-3.

2:1

RXINSEL[1:0]

S/PDIF Receiver input mux select. Note that the general purpose

inputs must be configured using GPOxOP to be either CMOS or

comparator inputs if selected by RXINSEL.

00 = SPDIFIN1

01 = SPDIFIN2 (MFP3)

10 = SPDIFIN3 (MFP4)

11 = SPDIFIN4 (MFP5)

R36

SPDMODE

24h

WL_MASK

S/PDIF Receiver Word Length Truncation Mask

0 = disabled, data word is truncated as described in Table 60.

1 = enabled, data word is not truncated.

R37

INTMASK

25h

8:0

MASK[8:0]

000000000

When a flag is masked, it does not update the Error Register or

contribute to the interrupt pulse.

0 = unmask, 1 = mask.

MASK[0] = mask control for UPD_UNLOCK

MASK[1] = mask control for INT_INVALID

MASK[2] = mask control for INT_CSUD

MASK[3] = mask control for INT_TRANS_ERR

MASK[4] = mask control for UPD_AUDIO_N

MASK[5] = mask control for UPD_PCM_N

MASK[6] = mask control for UPD_CPY_N

MASK[7] = mask control for UPD_DEEMPH

MASK[8] = mask control for UPD_REC_FREQ

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