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Production Data
WM8580
w
PD, Rev 4.7, March 2009
63
REGISTER
ADDRESS
BIT LABEL CHANNEL
STATUS
BIT
DEFAULT DESCRIPTION
R32
SPDTXCHAN 2
20h
7:0 CATCODE
[7:0]
15:8
00000000
Category Code. Refer to S/PDIF
specification IEC60958-3 for details.
00h indicates “general” mode.
Table 57 S/PDIF Transmitter Channel Status Bit Control 2
REGISTER
ADDRESS
BIT LABEL CHANNEL
STATUS
BIT
DEFAULT DESCRIPTION
3:0 SRCNUM
[3:0]
19:16
0000
Indicates S/PDIF source number.
No definitions are attached to data.
Channel Number for Subframe 1
CHNUM1 Function
00
Do not use channel number
01
Send to Left Channel
10
Send to Right Channel
5:4 CHNUM1[1:0]
00
11
Do not use channel number
Channel Number for Subframe 2
CHNUM2 Function
00
Do not use channel number
01
Send to Left Channel
10
Send to Right Channel
R33
SPDTXCHAN 3
21h
7:6 CHNUM2[1:0]
21:20
23:22
00
11
Do not use channel number
Table 58 S/PDIF Transmitter Channel Status Bit Control 3
REGISTER
ADDRESS
BIT LABEL CHANNEL
STATUS
BIT
DEFAULT DESCRIPTION
3:0 FREQ[3:0] 27:24
0001 Sampling
Frequency
Indicated
See S/PDIF specification IEC60958-3 for
details.
0001 = Sampling Frequency not indicated.
R34
SPDTXCHAN 4
22h
5:4
CLKACU[1:0]
29:28
11
Clock Accuracy of Transmitted clock.
00 = Level II
01 = Level I
10 = Level III
11 = Interface frame rate not matched to
sampling frequency.
Table 59 S/PDIF Transmitter Channel Status Bit Control 4
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