wm8805 Wolfson Microelectronics plc, wm8805 Datasheet - Page 59

• Manufacturer Part Number: wm8805
• Description: 8 1 Digital Interface Transceiver With Pll
• Manufacturer: Wolfson Microelectronics plc

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Production Data
REGISTER
ADDRESS
(read-only)
(read-only)
RXCHAN5
SPDTX1
SPDTX2
SPDTX3
R17
R18
R19
R20
10h
11h
12h
13h
14h
BIT
5:4
3:1
7:4
5:3
7:6
7:0
3:0
5:4
0
0
1
2
DEEMPH[2:0]
CHNUM1[1:0]
CLKACU[1:0]
CHSTMODE
ORGSAMP
RXWL[2:0]
CATCODE
CON/PRO
AUDIO_N
SRCNUM
MAXWL
LABEL
CPY_N
[3:0]
[1:0]
[7:0]
[3:0]
DEFAULT
00000000
0000
0000
000
000
11
00
00
1
0
0
0
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 should
not be used.
Original Sampling Frequency
Refer to S/PDIF specification (IEC 60958-3) for
full details
Use Of Channel Status Block
0 = Consumer Mode
1 = Professional Mode (not supported by
WM8805)
Linear PCM Identification
0 = S/PDIF transmitted data is audio PCM.
1 = S/PDIF transmitted data is not audio PCM.
Copyright Information
0 = Transmitted data has copyright asserted.
1 = Transmitted data has no copyright
assertion.
Additional Format Information
000 = Data from Audio interface has no pre-
emphasis.
001 = Data from Audio interface has pre-
emphasis.
All other modes are reserved and should not
be used.
Channel Status Mode
00 = Only valid mode for consumer
applications.
Category Code
Refer to S/PDIF specification (IEC 60958-3) for
full details.
00h indicates “general” mode.
Source Number
No definitions are attached to data.
Channel Number for Subframe 1
CHNUM1
00
01
10
RXWL[2:0]
001
010
100
101
110
Channel Status Bits[21:20]
Do not use channel number
Send to Left Channel
Send to Right Channel
DESCRIPTION
MAXWL==1
20 bits
22 bits
23 bits
24 bits
21 bits
PD, Rev 4.5, March 2009
MAXWL==0
WM8805
16 bits
18 bits
19 bits
20 bits
17 bits
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