Production Data
WM8805
REGISTER
ADDRESS
BIT
LABEL
CHANNEL
STATUS
BIT
DEFAULT
DESCRIPTION
R20
SPDTX3
14h
3:0
SRCNUM
[3:0]
19:16
0000
Source Number
Refer to S/PDIF specification (IEC 60958-3)
for full details.
5:4
7:6
CHNUM1[1:0]
CHNUM2[1:0]
21:20
00
00
Channel Number for Subframe 1
CHNUM1
Channel Status Bits[21:20]
Do not use channel number
Send to Left Channel
00
01
10
11
Send to Right Channel
Do not use channel number
23:22
Channel Number for Subframe 2
CHNUM2
Channel Status Bits[23:22]
00
01
10
11
Do not use channel number
Send to Left Channel
Send to Right Channel
Do not use channel number
Table 36 S/PDIF Transmitter Channel Bit Control Register 3
REGISTER
ADDRESS
BIT
LABEL
CHANNEL
STATUS
BIT
DEFAULT
DESCRIPTION
R21
SPDTX4
15h
3:0
FREQ[3:0]
27:24
0001
Indicated Sampling Frequency
Refer to S/PDIF specification (IEC 60958-3)
for full details.
0001 = Sampling Frequency not indicated.
Clock Accuracy of Transmitted Clock
00 = Level II
5:4
CLKACU[1:0]
29:28
11
01 = Level I
10 = Level III
11 = Interface frame rate not matched to
sampling frequency.
Table 37 S/PDIF Transmitter Channel Status Bit Control Register 4
PD Rev 4.1 September 07
33
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
