Production Data
WM8805
REGISTER
ADDRESS
BIT
LABEL
CHANNEL
STATUS
BIT
DEFAULT
DESCRIPTION
R13
0
CON/PRO
0
0
Use Of Channel Status Block
0 = Consumer Mode
RXCHAN1
0Dh
1 = Professional Mode
(read-only)
The WM8805 is a consumer mode device.
Detection of professional mode may give
erroneous behaviour.
1
AUDIO_N
1
0
Linear PCM Identification
0 = Data word represents audio PCM
samples.
1 = Data word does not represent audio
PCM samples.
2
3
CPY_N
2
3
0
0
Copyright Information
0 = Copyright is asserted for Rx data.
1 = Copyright is not asserted for Rx data.
Additional Format Information
DEEMPH
0 = Recovered S/PDIF data has no pre-
emphasis.
1 = Recovered S/PDIF data has pre-
emphasis.
5:4
7:6
Reserved
CHSTMODE
[1:0]
5:4
7:6
00
00
Reserved for additional de-emphasis modes.
Channel Status Mode
00 = Only valid mode for consumer
applications.
Table 40 S/PDIF Receiver Channel Status Register 1
REGISTER
ADDRESS
BIT
LABEL
CHANNEL
STATUS
BIT
DEFAULT
DESCRIPTION
Category Code
R14
7:0
CATCODE
[7:0]
15:8
00000000
RXCHAN2
0Eh
Refer to S/PDIF specification (IEC 60958-3)
for full details.
0x00h indicates “general” mode.
(read-only)
Table 41 S/PDIF Receiver Channel Status Register 2
REGISTER
ADDRESS
BIT
LABEL
CHANNEL
STATUS
BIT
DEFAULT
DESCRIPTION
R15
RXCHAN3
0Fh
3:0
SRCNUM
[3:0]
19:16
0000
S/PDIF Source Number
Refer to S/PDIF specification (IEC 60958-3)
for full details.
5:4
7:6
CHNUM1[1:0]
21:20
00
00
Channel Number For Sub-frame 1
00 = do not use channel number
01 = channel 1 to left channel
10 = channel 1 to right channel
Channel Number For Sub-frame 2
00 = do not use channel number
01 = channel 2 to left channel
10 = channel 2 to right channel
(read-only)
CHNUM2[1:0]
23:22
Table 42 S/PDIF Receiver Channel Status Register 3
PD Rev 4.1 September 07
37
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
