WM8804 Production Data
w
PD Rev 4.1 September 2007
36
REGISTER
ADDRESS
BIT LABEL CHANNEL
STATUS
BIT
DEFAULT DESCRIPTION
0 CON/PRO 0 0 Use Of Channel Status Block
0 = Consumer Mode
1 = Professional Mode
The WM8804 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 CPY_N 2 0 Copyright Information
0 = Copyright is asserted for Rx data.
1 = Copyright is not asserted for Rx data.
3 DEEMPH 3 0 Additional Format Information
0 = Recovered S/PDIF data has no pre-
emphasis.
1 = Recovered S/PDIF data has pre-
emphasis.
5:4 Reserved 5:4 00 Reserved for additional de-emphasis modes.
R13
RXCHAN1
0Dh
(read-only)
7:6 CHSTMODE
[1:0]
7:6 00 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
R14
RXCHAN2
0Eh
(read-only)
7:0 CATCODE
[7:0]
15:8 00000000 Category Code
Refer to S/PDIF specification (IEC 60958-3)
for full details.
0x00h indicates “general” mode.
Table 41 S/PDIF Receiver Channel Status Register 2
REGISTER
ADDRESS
BIT LABEL CHANNEL
STATUS
BIT
DEFAULT DESCRIPTION
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 CHNUM1[1:0] 21:20 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
R15
RXCHAN3
0Fh
(read-only)
7:6 CHNUM2[1:0] 23:22 00 Channel Number for Sub-frame 2
00 = do not use channel number
01 = channel 2 to left channel
10 = channel 2 to right channel
Table 42 S/PDIF Receiver Channel Status Register 3
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