WM8804 Production Data
w
PD Rev 4.1 September 2007
56
REGISTER
ADDRESS
BIT LABEL DEFAULT DESCRIPTION
0 UPD_UNLOCK - UNLOCK Update Signal
0 = INT_N not caused by a toggle of UNLOCK
flag
1 = INT_N caused by a toggle of UNLOCK flag
1 INT_INVALID - INVALID Flag Interrupt Signal
0 = INT_N not caused by INVALID flag
1 = INT_N caused by INVALID flag
2 INT_CSUD - INT_CSUD Interrupt Signal
0 = INT_N not caused by CSUD flag
1 = INT_N caused by CSUD flag
3 INT_TRANS_ERR - TRANS_ERR Flag Interrupt Signal
0 = INT_N not caused by TRANS_ERR flag
1 = INT_N caused by TRANS_ERR flag
4 UPD_NON_AUDIO - NON_AUDIO Update Signal
0 = INT_N not caused by a toggle of AUDIO_N
or PCM_N flags
1 = INT_N caused by a toggle of AUDIO_N or
PCM_N flags
5 UPD_CPY_N - CPY_N Update Signal
0 = INT_N not caused by a toggle of CPY_N
flag
1 = INT_N caused a toggle of CPY_N flag
6 UPD_DEEMPH - DEEMPH Update Signal
0 = INT_N not caused by a toggle of DEEMPH
flag
1 = INT_N caused by a toggle of DEEMPH flag
R11
INTSTAT
0Bh
(read-only)
7
UPD_REC_FREQ - REC_FREQ Update Signal
0 = INT_N not caused by a toggle of
REC_FREQ flag
1 = INT_N caused by a toggle of REC_FREQ
flag
0 AUDIO_N - Audio Status Flag
Recovered channel status bit-1.
0 = Data word represents audio PCM samples.
1 = Data word does not represent audio PCM
samples.
1 PCM_N - Non-PCM Flag
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.
2 CPY_N - Non-Copyright Flag
Recovered Channel Status bit-2.
0 = Copyright is asserted for this data.
1 = Copyright is not asserted for this data.
R12
SPDSTAT
0Ch
(read-only)
3 DEEMPH -
De-emphasis Flag
Recovered Channel Status bit-3.
0 = Copyright is asserted for this data.
1 = Copyright is not asserted for this data.
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