WM8581 Datasheet, PDF (84/94 Pages) Wolfson Microelectronics plc – Multichannel CODEC with S/PDIF Transceiver

WM8581
REGISTER BIT
ADDRESS
R39
3:0
GPO2
7:4
27h
LABEL
GPO3OP[3:0]
GPO4OP[3:0]
8 ALWAYSVALID
R40
GPO3
28h
R41
GPO4
29h
3:0 GPO5OP[3:0]
7:4 GPO6OP[3:0]
3:0 GPO7OP[3:0]
R43
INTSTAT
2Bh
0 UPD_UNLOCK
1
INT_INVALID
2
INT_CSUD
3 INT_TRANS_ERR
DEFAULT
0010
0011
0
0100
0101
0110
-
-
-
-
DESCRIPTION
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0000 = INTB
0001 = V
0010 = U
0011 = C
0100 = P
0101 = SFRM_CLK
0110 = 192BLK
0111 = UNLOCK
1000 = CSUD
1001 = REC_FREQ192
1010 = ZFLAG
1011 = NON_AUDIO
1100 = CPY_N
1101 = DEEMP
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
Used to ignore the INVALID flag.
0 = Use INVALID flag.
1 = Ignore INVALID flag.
0000 = INTB
0001 = V
0010 = U
0011 = C
0100 = P
0101 = SFRM_CLK
0110 = 192BLK
0111 = UNLOCK
1000 = CSUD
1001 = REC_FREQ192
1010 = ZFLAG
1011 = NON_AUDIO
1100 = CPY_N
1101 = DEEMP
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
UNLOCK flag update signal
0 = INTB not caused by update to UNLOCK flag
1 = INTB caused by update to UNLOCK flag
INVALID flag interrupt signal
0 = INTB not caused by INVALID flag
1 = INTB caused by INVALID flag
CSUD flag interrupt signal
0 = INTB not caused by CSUD flag
1 = INTB caused by CSUD flag
TRANS_ERR flag interrupt signal
0 = INTB not caused by TRANS_ERR flag
1 = INTB caused by TRANS_ERR flag
w
PP Rev 1.0 March 2006
84