msm7718-01 Oki Semiconductor, msm7718-01 Datasheet - Page 37
![no-image](/images/no-image-200.jpg)
msm7718-01
Manufacturer Part Number
msm7718-01
Description
Echo Canceler With Adpcm Codec
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7718-01.pdf
(38 pages)
- Current page: 37 of 38
- Download datasheet (232Kb)
¡ Semiconductor
APPLICATION CIRCUIT
Voice Analog Input (V
Transmit Gain (V
= (R2/R1) ¥ (R4/R3)
Receive Gain (V
= 2 ¥ R5/R6
Receiver Output V
O
GSX2
/V
VFRO
/V
i
1 mF
)
i
)
)
O
1 mF R1
1 mF R3
+
–
Controller
10 mF
Z
350 W
L
Basic
1 mF
R6
= 120 nF +
R2
R4
R5
1 mF
+
–
10 mF
V
V
SGT
SGR
AG
DG1,2,3
AIN1+
AIN1–
GSX1
AIN2
GSX2
VFRO
PWI
AOUT–
AOUT+
MCK
PDN/RST
PDWN
EXCK
DEN
DIN
DOUT
INT
DDD1,2,3
DDA
MSM7718
PCMADO
PCMPCO
PCMLNO
PCMACO
PCMADI
PCMPCI
PCMLNI
PCMACI
A20-19
SYNCA
SYNCP
BCLKA
A18-0
VOXO
BLKP
VOXI
D7-0
CS1
CS2
WE
RP
OE
IR
IS
ADPCM
ADPCM
Transmit Data
ADPCM
Receive Data
Control
Control
PCM
MSM7718-01
37/38
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