TAS5711
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SLOS600 –DECEMBER 2009
it is for the right channel. LRCLK is high for the left channel and low for the right channel. A bit clock running at
32, 48, or 64 × fS is used to clock in the data. The first bit of data appears on the data 8 bit-clock periods (for
24-bit data) after LRCLK toggles. In RJ mode the LSB of data is always clocked by the last bit clock before
LRCLK transitions. The data is written MSB first and is valid on the rising edge of bit clock. The DAP masks
unused leading data bit positions.
2-Channel Right-Justified (Sony Format) Stereo Input
32 Clks
32 Clks
LRCLK
SCLK
Right Channel
Left Channel
SCLK
MSB
LSB MSB
LSB
0
24-Bit Mode
23 22
19 18
19 18
15 14
15 14
15 14
1
1
1
0
23 22
19 18
19 18
15 14
15 14
15 14
1
1
1
20-Bit Mode
16-Bit Mode
0
0
0
0
T0034-03
Figure 43. Right Justified 64-fS Format
Copyright © 2009, Texas Instruments Incorporated
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