msm7732a Oki Semiconductor, msm7732a Datasheet - Page 23

• Manufacturer Part Number: msm7732a
• Description: Audio Codec
• Manufacturer: Oki Semiconductor

APPLICATION CIRCUIT
OKI Semiconductor
C4
R1
C1
Hands Free Kit
C5
0.1 F
R2
C2
R4
C3
R3
AMPAO
Mic
AMPAI
AIN –
SWD
AIN+
SWE
GSX
NC
NC
NC
SG
NC
10
11
12
1
2
3
4
5
6
7
8
9
GND
20 k
VREF
20 k
A/D
20 k
D/A
10 F
Slope
C9
Filter
V
DD
LPF
32
C6
BPF
V
DD
R5
Detect
Voice
32
R6
C7
TONE / DTMF
MCU I/F
Compand
32
PCM
Gen
Expand
PCM
NC
EXCK
PCMOUT
PCMIN
SYNC
NC
BCLK
PDN
NC
AG2
NC
NC
36
35
34
33
32
31
30
29
28
27
26
25
GND
FEDL7732A-01-01
Speaker
MSM7732A-01
Earphone
IN
OUT
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