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WM8569 Datenblatt(PDF) 26 Page - Wolfson Microelectronics plc

Teilenummer WM8569
Bauteilbeschribung  24-bit, 192kHz Stereo CODEC with Volume Control
PDF  36 Pages
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Hersteller  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8569 Datenblatt(HTML) 26 Page - Wolfson Microelectronics plc

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WM8569
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PP Rev 1.1 December 2005
26
DAC MASTER MODE SELECT
Control bit DACMS selects between audio interface Master and Slave Modes. In Master mode,
DACLRC and DACBCLK are outputs and are generated by the WM8569. In Slave mode DACLRC
and DACBCLK are inputs to WM8569.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0001010
Interface Control
5
DACMS
0
DAC Audio Interface Master/Slave
Mode Select:
0: Slave mode
1: Master mode
MASTER MODE DACLRC FREQUENCY SELECT
In Master mode the WM8569 generates DACLRC and DACBCLK. These clocks are derived from the
master clock and the ratio of DACMCLK to DACLRC is set by DACRATE.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0001010
Interface Control
8:6
DACRATE
[2:0]
010
Master Mode
MCLK:LRC Ratio Select:
000: 128fs (DAC only)
001: 192fs (DAC only)
010: 256fs
011: 384fs
100: 512fs
101: 768fs
ADC DIGITAL AUDIO INTERFACE CONTROL REGISTER
Interface format is selected via the ADCFMT[1:0] register bits:
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0001011
Interface Control
1:0
ADCFMT[1:0]
00
Interface Format Select
00: Right justified mode
01: Left justified mode
10: I
2S mode
11: DSP mode A or B
The ADCIWL[1:0] bits are used to control the input word length.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0001011
Interface Control
3:2
ADCIWL[1:0]
00
Input Word Length
00: 16 bit data
01: 20 bit data
10: 24 bit data
11: 32 bit data
Note: 32-bit right justified mode is not supported.
In all modes, the data is signed 2's complement.
ADC MASTER MODE SELECT
Control bit ADCMS selects between audio interface Master and Slave Modes. In Master mode
ADCLRC and ADCBCLK are outputs and are generated by the WM8569. In Slave mode ADCLRC
and ADCBCLK are inputs to WM8569.
REGISTER ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0001011
Interface Control
4
ADCMS
0
ADC Audio Interface
Master/Slave Mode Select:
0: Slave mode
1: Master mode



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