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WM8533 датащи(PDF) 22 Page - Wolfson Microelectronics plc

номер детали WM8533
подробное описание детали  24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
PDF  41 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8533 датащи(HTML) 22 Page - Wolfson Microelectronics plc

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WM8533
Production Data
w
PD, July 2012, Rev 4.0
22
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R3 (03h)
AIF_CTRL1
7
AIF_MSTR
0
Master/Slave Select
0 = Slave
1 = Master
R4 (04h)
AIF_CTRL2
5:3
AIF_BCLKD
IV [2:0]
000
BCLK Divider Control (Master Mode)
000 = MCLK/4
001 = MCLK/8
010 = 32fs
011 = 64fs
100 = 128fs
101 to 111 = Reserved
2:0
AIF_SR
[2:0]
000
MCLK:LRCLK Ratio
000 = Auto detect
001 = 128fs
010 = 192fs
011 = 256fs
100 = 384fs
101 = 512fs
110 = 768fs
111 = 1152fs
Table 9 DAC Clocking Mode Control
Interface timing is such that the input data and left/right clock are sampled on the rising edge of
BCLK. By setting the appropriate BCLK and LRCLK polarity bits, the WM8533 DAC can sample data
on the opposite clock edges.
The control of audio interface formats and clock polarities is summarised in Table 10.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R3 (03h)
AIF_CTRL1
6
AIF_LRCLK
_INV
0
LRCLK Inversion Control
0 = Normal polarity
1 = Inverted polarity
When AIF_FMT [1:0]=11 (DSP Mode):
0 = Mode A (2nd clock)
1 = Mode B (1st clock)
5
AIF_BCLK_
INV
0
BCLK Inversion Control
Slave mode:
0 = use rising edge
1 = use falling edge
Master mode:
0 = BCLK normal
1 = BCLK inverted
4:3
AIF_WL
[1:0]
10
Audio Data Word Length
00 = 16 bits
01 = 20 bits
10 = 24 bits
11 = 32 bits
1:0
AIF_FMT
[1:0]
10
Audio Data Interface Format
00 = Right justified
01 = Left justified
10 = I2S format
11 = DSP mode
Table 10 Audio Interface Control



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