wm8805 Wolfson Microelectronics plc, wm8805 Datasheet - Page 32

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

WM8805
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Table 34 S/PDIF Transmitter Channel Status Bit Control Register 1
Table 35 S/PDIF Transmitter Channel Status Bit Control Register 2
REGISTER
ADDRESS
REGISTER
ADDRESS
SPDTX1
SPDTX2
R18
12h
R19
13h
BIT
5:3
7:6
BIT
7:0
0
1
2
PARITY BIT
This bit maintains even parity for data as a means of basic error detection. It is generated by the
transmitter.
DEEMPH[2:0]
CHSTMODE
CON/PRO
CATCODE
AUDIO_N
LABEL
CPY_N
LABEL
[1:0]
[7:0]
CHANNEL
CHANNEL
STATUS
STATUS
BIT
15:8
BIT
5:3
7:6
0
1
2
DEFAULT
DEFAULT
00000000
000
00
0
0
0
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.
0x00h indicates “general” mode.
DESCRIPTION
DESCRIPTION
PD, Rev 4.5, March 2009
Production Data
32