WM8804 Datasheet, PDF (56/66 Pages) Wolfson Microelectronics plc – 1:1 Digital Interface Transceiver with PLL

WM8804
REGISTER
ADDRESS
R11
INTSTAT
0Bh
(read-only)
R12
SPDSTAT
0Ch
(read-only)
BIT
LABEL
0
UPD_UNLOCK
1
INT_INVALID
2
INT_CSUD
3
INT_TRANS_ERR
4
UPD_NON_AUDIO
5
UPD_CPY_N
6
UPD_DEEMPH
7
UPD_REC_FREQ
0
AUDIO_N
1
PCM_N
2
CPY_N
3
DEEMPH
DEFAULT
Production Data
DESCRIPTION
-
UNLOCK Update Signal
0 = INT_N not caused by a toggle of UNLOCK
flag
1 = INT_N caused by a toggle of UNLOCK flag
-
INVALID Flag Interrupt Signal
0 = INT_N not caused by INVALID flag
1 = INT_N caused by INVALID flag
-
INT_CSUD Interrupt Signal
0 = INT_N not caused by CSUD flag
1 = INT_N caused by CSUD flag
-
TRANS_ERR Flag Interrupt Signal
0 = INT_N not caused by TRANS_ERR flag
1 = INT_N caused by TRANS_ERR flag
-
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
-
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
-
DEEMPH Update Signal
0 = INT_N not caused by a toggle of DEEMPH
flag
1 = INT_N caused by a toggle of DEEMPH flag
-
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
-
Audio Status Flag
Recovered channel status bit-1.
0 = Data word represents audio PCM samples.
1 = Data word does not represent audio PCM
samples.
-
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.
-
Non-Copyright Flag
Recovered Channel Status bit-2.
0 = Copyright is asserted for this data.
1 = Copyright is not asserted for this data.
-
De-emphasis Flag
Recovered Channel Status bit-3.
0 = Copyright is asserted for this data.
1 = Copyright is not asserted for this data.
w
PD, Rev 4.5, March 2009
56