User guide

CS6422
9
AVDD
AGND
API
APO
MB
AO
CLKOCLKI
STROBE
DATA
DRDY
NI
NO
DGND
DVDD
0.1
µ
F
10
µ
F
+
0.1
µ
F
10
µ
F
+
0.47 µ F
10
µ
F
22pF
Network
Line Out
Network
Line In
From
Microcontroller
22pF
+5V Analog
0.022
µ
F
0.1
µ
F
+
RST
NC1NC2NC3NC4
1
2
20
18
19
3
3300pF
12.1 k Ω
13149101112
20.480 MHz
8
6
5
7
3300 pF
6.04 k
Ω
0.47 µ F
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
CLKOCLKI
STROBE
DATA
DRDY
NI
NO
DGND
DVDD
0.1
µ
F
10
µ
F
+
0.1
µ
F
10
µ
F
+
0.47
µ
F
10 µ F
22pF
Network
Line Out
Network
Line In
From
Microprocessor
22pF
+5V Analog
0.1 µ F
+
RST
NC1NC2NC3NC4
1
2
20
18
19
3
3300pF
12.1 k
Ω
13149101112
20.480 MHz
8
6
5
7
3300 pF
6.04 k
Ω
0.47 µ F
3300 pF
12.1 k
Ω
17
4
15
16
ferrite bead
3300 pF
0.47
µ
F
6.04 k
Ω
CS6422
Speaker
Driver
External Mic
Preamp
Figure 5. Typical Connection Diagram (Microphone Preamplifier Disabled)
CS6422
DS295F1 9