Cirrus Logic CS8406 - Manual (Page 9)

DS580F6 9
CS8406
2. TYPICAL CONNECTION DIAGRAMS
CS8406
+3.3 V or +5.0 V
GND
RXP
ILRCK
ISCLK
SDIN
AES3 /
S/PDIF
Source
Microcontroller
SCL / CCLK
SDA / CDOUT
RST
AD1 / CDIN
VD VL
TXP
0.1 F 
AD0 / CS
Serial
Audio
Source
Clock Source
and Control
OMCK
AD2
TXN
H/S
TCBL
To/from other
CS8406's
INT
47k
U
Transmission
Interface
User Data
Source
+3.3 V or +5.0 V
0.1 F 
Figure 5. Recommended Connection Diagram for Software Mode