CS4205 Datasheet, PDF (55/80 Pages) Cirrus Logic – CrystalClear Audio Codec 97 with Portable Computing

CS4205
SDF[1:0]
LRCLK
Polarity
Data
Justification
Data Alignment
(MSB vs. LRCLK)
Data
Resolution
Timing
Diagram
Recommended
DAC/ADC
0 0 negative left justified 1 SCLK delayed
01
positive left justified
not delayed
10
positive right justified
not delayed
11
positive right justified
not delayed
20-bit
20-bit
20-bit
16-bit
Figure 17
Figure 18
Figure 19
Figure 20
CS4334/CS5331A
CS4335/CS5330A
CS4337/none
CS4338/none
Table 23. Serial Data Formats and Compatible DACs/ADC’s for the CS4205
LRCK
SCLK
SDATA
LRCK
SCLK
SDATA
Left Channel
Right Channel
MSB-1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LSB
MSB-1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Figure 17. Serial Data Format 0 (I²S)
Left Channel
Right Channel
MSB-1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LSB
MSB-1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Figure 18. Serial Data Format 1 (Left Justified)
LRCK
SCLK
SDATA 1 0
Left Channel
Right Channel
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Figure 19. Serial Data Format 2 (Right Justified, 20-bit data)
LRCK
SCLK
SDATA
Left Channel
Right Channel
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Figure 20. Serial Data Format 3 (Right Justified, 16-bit data)
DS489PP2
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