Figure 11. serial audio format 3, Figure 12. optional input buffer, Figure 13. single-ended input application – Cirrus Logic CS4224 User Manual
Page 28: Figure 11, Serial audio format 3, Figure 12, Optional input buffer, Figure 13, Single-ended input application
CS4223 CS4224
28
DS290F1
Figure 11. Serial Audio Format 3
Master
Slave
Right-justified, 20-bit data
XTI= 256, 384, 512Fs (CS4223-256Fsonly)
LRCK = 4 to 50 kHz
SCLK = 64 Fs
Right-justified, 20-bit data
XTI = 256, 384, 512 Fs
LRCK = 4 to 50 kHz
SCLK = 64 Fs
L R C K
S C L K
L e ft C h a n n e l
R ig h t C h a n n e l
S D A T A
6
5
4
3
2
1
0
9
8
7
15 14 13 12 11 10
1
0
6
5
4
3
2
1
0
9
8
7
15 14 13 12 11 10
17 16
17 16
32 clocks
19 18
19 18
Figure 12. Optional Input Buffer
Input
10 µF
+
150
Ω
2.2 nF
4.7 µF +
0.1 µF
AINR-
AINR+
CS4223/4
Figure 13. Single-ended Input Application
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