WM8581_07 Datasheet, PDF (42/100 Pages) Wolfson Microelectronics plc – Multichannel CODEC with S/PDIF Transceiver

WM8581
Production Data
The registers described below configure the digital routing options.
REGISTER BIT
ADDRESS
R12
8:7
LABEL
DAC_SRC
[1:0]
R13
8:7 PAIFTX_SRC
[1:0]
R14
8:7 SAIFTX_SRC
[1:0]
R30
1:0
TXSRC
[1:0]
3
REAL_THRU
DEFAULT
DESCRIPTION
11
DAC1 Source:
00 = S/PDIF received data.
10 = SAIF Rx data
11 = PAIF Rx data
Note: When DAC_SRC = 00,
DAC2/3/4 may be turned off,
depending on RX2DAC_MODE.
01
Primary Audio Interface Tx Source:
00 = S/PDIF received data.
01 = ADC digital output data.
10 = SAIF Rx data
00
Secondary Audio Interface Tx Source:
00 = S/PDIF received data.
01 = ADC digital output data.
11 = PAIF Rx data
00
S/PDIF Transmitter Data Source.
00 = S/PDIF received data(‘thru-
path’)
01 = ADC digital output data.
10 = SAIF Rx data
11 = PAIF Rx data
0
S/PDIF Thru Mode Control
0 = SPDIFOP pin sources output
of S/PDIF Tx
1 = SPDIFOP pins sources output
of S/PDIF IN Mux
Table 32 Interface Source Select Registers
w
PD Rev 4.0 April 2007
42