wm8580a Wolfson Microelectronics plc, wm8580a Datasheet - Page 67
wm8580a
Manufacturer Part Number
wm8580a
Description
Multichannel Codec With S/pdif Transceiver
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8580A.pdf
(103 pages)
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Table 64 S/PDIF Receiver Channel Status Register 3
Table 65 S/PDIF Receiver Channel Status Register 4
Table 66 S/PDIF Receiver Channel Status Register 5
SPDRXCHAN 3
SPDRXCHAN 4
SPDRXCHAN 5
REGISTER
REGISTER
REGISTER
ADDRESS
(read-only)
ADDRESS
(read-only)
ADDRESS
(read-only)
R46
2Eh
R47
R48
2Fh
30h
BIT
BIT
BIT
3:0
5:4
7:6
3:0
5:4
3:1
7:4
0
CHNUM1[1:0]
CHNUM2[1:0]
CLKACU[1:0]
ORGSAMP
RXWL[2:0]
FREQ[3:0]
SRCNUM
MAXWL
LABEL
LABEL
LABEL
[3:0]
[3:0]
CHANNEL
CHANNEL
CHANNEL
STATUS
STATUS
STATUS
19:16
21:20
23:22
27:24
29:28
35:33
39:36
BIT
BIT
BIT
32
DEFAULT
DEFAULT
DEFAULT
-
-
-
-
-
-
-
Indicates S/PDIF source number.
Refer to S/PDIF specification IEC60958-3 for
details.
Channel number for sub-frame 1.
00 = Take no account of channel number
(channel 1 defaults to left DAC)
01 = channel 1 to left channel
10 = channel 1 to right channel
Channel number for sub-frame 2.
00 = Take no account of channel number
(channel 2 defaults to left DAC)
01 = channel 2 to left channel
10 = channel 2 to right channel
Sampling Frequency Indicated.
Refer to S/PDIF specification IEC60958-3 for
details.
Clock Accuracy of received clock.
00 = Level II
01 = Level I
10 = Level III
11 = Interface frame rate not matched to
sampling frequency.
Maximum Audio sample word length
0 = 20 bits
1 = 24 bits
Audio Sample Word Length.
000: Word Length Not Indicated
All other combinations are reserved and may
give erroneous operation. Data will be
truncated internally when these bits are set
unless WL_MASK is set.
Original Sampling Frequency. Refer to
S/PDIF specification IEC60958-3 for details.
0000 = original sampling frequency not
indicated
RXWL[2:0]
001
010
100
101
110
DESCRIPTION
DESCRIPTION
DESCRIPTION
MAXWL==1
20 bits
22 bits
23 bits
24 bits
21 bits
PD, Rev 4.7, March 2009
MAXWL==0
WM8580
16 bits
18 bits
19 bits
20 bits
17 bits
67
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