Cirrus Logic CS6422 - Manual (Page 9)

CS6422
9
AVDD
AGND
API
APO
MB
AO
CLKO CLKI
STROBE
DATA
DRDY
NI
NO
DGND
DVDD
0.1 µF
10 µF
+
0.1 µF
10 µF
+
0.47 µF
10 µF
22pF
Network
Line Out
Network
Line In
From
Microcontroller
22pF
+5V Analog
0.022 µF
0.1 µF
+
RST
NC1 NC2 NC3 NC4
1
2
20
18
19
3
3300pF
12.1 k Ω
13 14 9 10 11 12
20.480 MHz
8
6
5
7
3300 pF
6.04 k Ω 0.47 µF
3300 pF
12.1 k Ω
17
4
15
16
ferrite bead
Mic Bias
Speaker
Driver
CS6422
Figure 4. Typical Connection Diagram (Microphone Preamplifier Enabled)
AVDD
AGND
API
APO
MB
AO
CLKO CLKI
STROBE
DATA
DRDY
NI
NO
DGND
DVDD
0.1 µF
10 µF
+
0.1 µF
10 µF
+
0.47 µF
10 µF
22pF
Network
Line Out
Network
Line In
From
Microprocessor
22pF
+5V Analog
0.1 µF
+
RST
NC1 NC2 NC3 NC4
1
2
20
18
19
3
3300pF
12.1 k Ω
13 14 9 10 11 12
20.480 MHz
8
6
5
7
3300 pF
6.04 k Ω 0.47 µF
3300 pF
12.1 k Ω
17
4
15
16
ferrite bead
3300 pF
0.47 µF
6.04 k Ω
CS6422
Speaker
Driver
External Mic
Preamp
Figure 5. Typical Connection Diagram (Microphone Preamplifier Disabled)
CS6422
DS295F1 9