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ML7202-001 Datasheet(PDF) 11 Page - LAPIS Semiconductor Co., Ltd.

Part # ML7202-001
Description  2-Channel Echo Canceler with Multifunction ADPCM Transcoder
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Manufacturer  LAPIS [LAPIS Semiconductor Co., Ltd.]
Direct Link  http://www.lapis-semi.com/
Logo LAPIS - LAPIS Semiconductor Co., Ltd.

ML7202-001 Datasheet(HTML) 11 Page - LAPIS Semiconductor Co., Ltd.

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FEDL7202-001-01
ML7202-001
11/65
(64ms)
(64ms)
(e)
(e)
(f)
(f)
(a)
(a)
(b)
(b)
(d)
(d)
(c)
(c)
(c)
(d)
(a)
(b)
(d)
(c)
(b)
(a)
Channel 1
echo canceller
(64ms)
PCMLNO1
PCMLNI1
Input
control
Output
control
SYNCL, BCLKL
PCMACO1
PCMACI1
PCMADO1
PCMADI1
IS1
IR1
Channel 1
ADPCM
transcoder
Input
control
Output
control
Input
control
Output
control
Input
control
Output
control
Channel 2
echo canceller
(64ms)
Input
control
Output
control
Channel 2
ADPCM
transcoder
Input
control
Output
control
Input
control
Output
control
Input
control
Output
control
SYNCA, BCLKA
PCMLNO2
PCMLNI2
PCMACO2
PCMACI2
PCMADO2
PCMADI2
IS2
IR2
IOSEL(CR0-B3)=0
Control (a): CONTA1 (channel 1 ADPCM through control)...CR2-B7
Control (b): CONTA2 (channel 2 ADPCM through control)...CR3-B7
Control (c): DTHR1 (channel 1 end-to-end 4-bit ADPCM transparent control)...CR2-B5
Control (d): DTHR2 (channel 2 end-to-end 4-bit ADPCM transparent control)...CR3-B5
Control (e): LTHR1 (channel 1 echo canceller through control)...CR27-B7
Control (f): LTHR2 (channel 2 echo canceller through control)...CR28-B7
Channel 1 ADPCM CODEC
Time Slot setting: CR13-B4 to B0
Channel 2 ADPCM CODEC
Time Slot setting: CR14-B4 to B0
Channel 1 PCM CODEC
Time Slot setting: CR11-B4 to B0
Channel 2 PCM CODEC
Time Slot setting: CR12-B4 to B0
(c)
(c)
(d)
(d)
"0"
"0"
"1"
"1"
"1"
"1"
"0"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
"1"
"0"
"0"
"1"
"0"
"1"
"0"
"0"
"1"
"1"
Note: Fix the input pins, PCMACI1, PCMADI1, PCMACI2, and PCMADI2 to “1” or “0”.
The outputs of PCMACO1, PCMADO1, PCMACO2 and PCMADO2 are all in high impedance.
Figure 1 Signal Input/Output Control 1


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