Production Data
WM8580
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R40
GPO3
28h
3:0
7:4
GPO5OP[3:0]
GPO6OP[3:0]
0100
0101
0000 = INT_N
0001 = V
0010 = U
0011 = C
R41
3:0
7:4
GPO7OP[3:0]
GPO8OP[3:0]
0110
0111
0100 = P
GPO4
29h
0101 = SFRM_CLK
0110 = 192BLK
0111 = UNLOCK
1000 = CSUD
1001 = Invalid
1010 = ZFLAG
1011 = NON_AUDIO
1100 = CPY_N
1101 = DEEMP
R42
3:0
7:4
GPO9OP[3:0]
GPO10OP
[3:0]
1000
1001
GPO5
2Ah
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
R43
INTSTAT
2Bh
0
1
2
3
4
5
6
7
0
UPD_UNLOCK
INT_INVALID
INT_CSUD
-
-
-
-
-
-
-
-
-
UNLOCK flag update signal
0 = INT_N not caused by update to UNLOCK flag
1 = INT_N caused by update to UNLOCK flag
INVALID flag interrupt signal
0 = INT_N not caused by INVALID flag
1 = INT_N caused by INVALID flag
CSUD flag interrupt signal
0 = INT_N not caused by CSUD flag
1 = INT_N caused by CSUD flag
INT_TRANS_ERR
UPD_NON_AUDIO
UPD_CPY_N
UPD_DEEMPH
UPD_REC_FREQ
CON/PRO
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 update to NON_AUDIO flag
1 = INT_N caused by update to NON_AUDIO flag
CPY_N update signal
0 = INT_N not caused by update to CPY_N flag
1 = INT_N caused by update to CPY_N flag
DEEMPH update signal
0 = INT_N not caused by update to DEEMPH flag
1 = INT_N caused by update to DEEMPH flag
REC_FREQ update signal
0 = INT_N not caused by update to REC_FREQ flag
1 = INT_N caused by update to REC_FREQ flag
0 = Consumer Mode
R44
SPDRXCHAN 1
2C
1 = Professional Mode
The WM8580 is a consumer mode device. Detection of
professional mode may give erroneous behaviour.
1
AUDIO_N
-
Linear PCM Identification
0 = Data word represents audio PCM samples.
1 = Data word does not represent audio PCM samples.
0 = Copyright is asserted for this data.
2
3
CPY_N
-
-
1 = Copyright is not asserted for this data.
0 = Recovered S/PDIF data has no pre-emphasis.
1 = Recovered S/PDIF data has pre-emphasis.
DEEMPH
PD Rev 4.3 August 2007
87
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
