Wolfson WM8580, Instruction Manual

Page: 86 / 103

WM8580
Production Data
w
PD, Rev 4.7, March 2009
86
REGISTER
ADDRESS
BIT LABEL DEFAULT DESCRIPTION
1:0 PAIFTXFMT
[1:0]
10 PAIF Transmitter Audio Data Format Select
11: DSP Format
10: I
2
S Format
01: Left justified
00: Right justified
3:2 PAIFTXWL
[1:0]
10 PAIF Transmitter Audio Data Word Length
11: 32 bits (see Note)
10: 24 bits
01: 20 bits
00: 16 bits
4 PAIFTXLRP 0 In LJ/RJ/I
2
S modes
0 = LRCLK not inverted
1 = LRCLK inverted
In DSP Format:
0 = DSP Mode A
1 = DSP Mode B
5 PAIFTXBCP 0 PAIF Receiver BCLK polarity
0 = BCLK not inverted
1 = BCLK inverted
R13
PAIF 4
0Dh
8:7 PAIFTX_SRC
[1:0]
01 Primary Audio Interface Transmitter Source
00 = S/PDIF received data.
01 = ADC digital output data.
10 = SAIF Receiver data
1:0 SAIFFMT
[1:0]
10 SAIF Audio Data Format Select
11: DSP Format
10: I
2
S Format
01: Left justified
00: Right justified
3:2 SAIFWL
[1:0]
10 SAIF Audio Data Word Length
11: 32 bits (see Note)
10: 24 bits
01: 20 bits
00: 16 bits
4 SAIFLRP 0 In LJ/RJ/I
2
S modes
0 = LRCLK not inverted
1 = LRCLK inverted
In DSP Format:
0 = DSP Mode A
1 = DSP Mode B
5 SAIFBCP 0 SAIF BCLK polarity
0 = BCLK not inverted
1 = BCLK inverted
6 SAIF_EN 0 SAIF Enable
0 = SAIF disabled
1 = SAIF enabled
R14
SAIF 2
0Eh
8:7 SAIFTX_SRC
[1:0]
00 Secondary Audio Interface Transmitter Source
00 = S/PDIF received data.
01 = ADC digital output data.
11 = PAIF Receiver data
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