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MSM7602 Datasheet(PDF) 18 Page - OKI electronic componets

Part # MSM7602
Description  Echo Canceler
PDF  29 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

MSM7602 Datasheet(HTML) 18 Page - OKI electronic componets

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MSM7602
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Example 4: Canceling of both acoustic echo and line echo
(to handle both acoustic echo from line input and line echo from microphone input)
SIN
ROUT
CODEC
H
Line input
Acoustic echo
+
+
–
AFF
ROUT
SIN
MSM7602
AFF
SOUT
RIN
MSM7602
RIN
SOUT
Microphone input
For acoustic echo
Line echo
CODEC
For line echo
MS
NLP
NLP
HCL
HCL
ADP
ADP
ATT
ATT
GC
GC
PWDWN
PWDWN
RST
RST
INT
SF1
SF2
PD15
PD 0
IRLD
OF1
OF2
+5 V
MS
NLP
HCL
ADP
ATT
GC
PWDWN
RST
INT
SF1
SF2
PD15
PD 0
IRLD
OF1
OF2
+5 V
Master chip
Slave chip
HD
HD
HD
MS *
NLP
NLP
HCL
HCL
ADP
ADP
ATT
ATT
GC
GC
PWDWN
PWDWN
RST
RST
INT
SF1 *
SF2 *
* PD15
* PD 0
IRLD
* OF1
* OF2
+5 V
Asterisk (*) indicates a pin only for the MSM7602-011
HD
HD
Control Pin Connection Example
Single chip connection
2-stage cascade connection
Master + (slave ¥ 1)



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