msm7719-01 Oki Semiconductor, msm7719-01 Datasheet - Page 9

• Manufacturer Part Number: msm7719-01
• Description: Echo Canceler With Adpcm Transcoder
• Manufacturer: Oki Semiconductor

¡ Semiconductor
SYNCP
BCLKP
CR2-B3, B2
SYNCP
BCLKP
CR2-B3, B2
Output Control
Output Control
PCMLNO
(c)
PCMLNO PCMLNI
(a)
(c)
(c)
Input Control
Input Control
PCMLNI
Line
Echo
Canceler
(27ms)
Line
Echo
Canceler
(27ms)
SYNCP
BCLKP
CR2-B1, B0
Echo
Canceler
(54ms)
SYNCP
BCLKP
CR2-B1, B0
Acoustic
Echo
Canceler
(27ms)
Input Control
PCMACI
Figure 2 Signal I/O Control 2
Figure 3 Signal I/O Control 3
Input Control
(c)
PCMACI PCMACO
Output Control
PCMACO
Output Control
(c)
(c)
(a)
Acoustic
Echo
Canceler
(27ms)
Output Control
PCMADO PCMADI SYNCP
Output Control
PCMADO
(b)
IOSL1="0", IOSL0="1"
Control (a): ECMODE, CR0-B0
Control (b): CONTA, CR1-B7
Control (c): DTHR, CR1-B5
IOSL1="1", IOSL0="0"
Control (a): ECMODE, CR0-B0
Control (b): CONTA, CR1-B7
Control (c): DTHR, CR1-B5
Input Control
Input Control
PCMADI
(b)
BCLKP
CR2-B4
SYNCP
BCLKP
CR2-B4
ADPCM
Transcoder
ADPCM
Transcoder
(b)
Input Control
Input Control
(b)
IR
IR
MSM7719-01
(b)
Output Control
(b)
Output Control
(b)
IS
(b)
IS SYNCA
BCLKA
SYNCA
BCLKA
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