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WM8772SEDS/RV Fiches technique(PDF) 55 Page - Wolfson Microelectronics plc

No de pièce WM8772SEDS/RV
Description  24-bit, 192kHz 6-Channel Codec with Volume Control
PDF  73 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8772SEDS/RV Fiches technique(HTML) 55 Page - Wolfson Microelectronics plc

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Production Data
WM8772EFT – 32 LEAD TQFP
w
PD Rev 4.2 October 2005
55
The MSB of the left channel ADC data is output on DOUT and changes on the first falling edge of
ADCBCLK following a low to high ADCLRC transition and may be sampled on the rising edge of
ADCBCLK. The right channel ADC data is contiguous with the left channel data (Figure 52)
Figure 52 DSP Mode Audio Interface - Mode A Slave, ADC
ADCLRC
ADCBCLK
DOUT
Input Word Length (IWL)
1/fs
LEFT CHANNEL
n
2
1
n-1
LSB
MSB
n
2
1
n-1
RIGHT CHANNEL
NO VALID DATA
1 BCLK
1 BCLK
Figure 53 DSP Mode Audio Interface - Mode A Master, ADC
DSP MODE B
In DSP mode B, the MSB of DAC channel 1 left data is sampled by the WM8772EFT on the first
DACBCLK rising edge following a DACLRC rising edge. DAC channel 1 right and DAC channels 2
and 3 data follow DAC channel 1 left data (Figure 54).
Figure 54 DSP Mode Audio Interface - Mode B Slave, DAC



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