WM8580_07_12 Datasheet, PDF (58/97 Pages) Wolfson Microelectronics plc – Multichannel CODEC with S/PDIF Transceiver

WM8580
REGISTER BIT
ADDRESS
R32
7:0
SPDTXCHAN 2
20h
LABEL
CATCODE
[7:0]
CHANNEL
STATUS
BIT
15:8
DEFAULT
00000000
Table 51 S/PDIF Transmitter Channel Status Bit Control 2
Production Data
DESCRIPTION
Category Code. Refer to S/PDIF
specification IEC60958-3 for details.
00h indicates “general” mode.
REGISTER BIT
ADDRESS
R33
3:0
SPDTXCHAN 3
21h
5:4
LABEL
SRCNUM
[3:0]
CHNUM1[1:0]
CHANNEL
STATUS
BIT
19:16
21:20
DEFAULT
0000
00
7:6 CHNUM2[1:0]
00
23:22
Table 52 S/PDIF Transmitter Channel Status Bit Control 3
DESCRIPTION
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
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
11
Do not use channel number
REGISTER BIT
ADDRESS
R34
3:0
SPDTXCHAN 4
22h
LABEL
FREQ[3:0]
CHANNEL
STATUS
BIT
27:24
DEFAULT
0001
5:4 CLKACU[1:0]
29:28
11
Table 53 S/PDIF Transmitter Channel Status Bit Control 4
DESCRIPTION
Sampling Frequency Indicated
See S/PDIF specification IEC60958-3 for
details.
0001 = Sampling Frequency not indicated.
Clock Accuracy of Transmitted clock.
00 = Level II
01 = Level I
10 = Level III
11 = Interface frame rate not matched to
sampling frequency.
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PD Rev 4.3 August 2007
58