Cirrus Logic CS4385A - Manual (Page 19)

DS837F2 19
CS4385A
3. TYPICAL CONNECTION DIAGRAM
VLS
MCLK
VD
AOUTA1+
8
32
0.1 µF
+
1 µF
+2.5 V
SDIN1
9
1 µF
0.1 µF
+
+
20
21
FILT+
VQ
7
6
LRCK
SCLK
SDIN3
SDIN2
39
40
0.1 µF
47 µF
VA
0.1 µF
+
1 µF
0.1 µF
+1.8 V to +5 V
+5 V
4
43
SDIN4
13
14
Analog Conditioning
and Muting AOUTA1-
AOUTB1+ 38
37
Analog Conditioning
and Muting AOUTB1-
AOUTA2+
35
36
Analog Conditioning
and Muting AOUTA2-
AOUTB2+ 34
33
Analog Conditioning
and Muting AOUTB2-
AOUTA3+
29
30
Analog Conditioning
and Muting AOUTA3-
AOUTB3+
28
27
Analog Conditioning
and Muting AOUTB3-
AOUTA4+ 25
26
Analog Conditioning
and Muting AOUTA4-
AOUTB4+ 24
23
Analog Conditioning
and Muting AOUTB4-
MUTEC1 41
22
Mute
Drive MUTEC234
11
Micro-
Controller
VLC
0.1 µF
+1.8 V to +5 V
18
2
48
DSDB2
3
42
DSD_SCLK
DSDA1
DSDB3
DSDA3
DSDA4
DSDB1
DSDA2
46
45
47
1
44
DSDB4
16
15
SCL/CCLK
SDA/CDIN
ADO/CS
RST
19
17
2 K

2 K

Note: Necessary for I 2 C
control port operation
Note*
CS4385
31
GND GND
5
Note TST : Pins 10, 12
TST*
DSD
Audio
Source



Digital
Audio
Source
PCM
Figure 7. Typical Connection Diagram, Software Mode
CS4385A