Cirrus Logic CS4391 - Manual (Page 12)

CS4391
12 DS335PP4
2. TYPICAL CONNECTION DIAGRAMS
SCLK
Audio
Data
Processor
*
External Clock
MCLK
AGND
AOUTB+
CS4391
SDATA
VA
AOUTB-
+5V to +3V
Analog
Mode
Select
M1 (SDA/CDIN)
M0 (AD0/CS)
AOUTA-
AOUTA+
Analog
Conditioning
&
Mute
Analog
Conditioning
&
Mute
17
19
18
14
15
16
1
3
4
5
8
9
10
M2 (SCL/CCLK)
LRCK
1.0
µf +
RST
6
M3
7
12
1.0 µf
0.1 µf 1.0 µf
11
FILT+
0.1 µf
+
+
CMOUT
BMUTEC
13
AMUTEC
20
(Control Port)
*
2
VL
Logic Power
+5V to 1.8V
0.1 µf
Figure 5. Typical Connection Diagram - PCM Mode
* A high logic level for all digital inputs should not exceed VL.