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MT9126AS Datasheet(PDF) 13 Page - Mitel Networks Corporation

Part # MT9126AS
Description  CMOS Quad ADPCM Transcoder
PDF  22 Pages
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Manufacturer  MITEL [Mitel Networks Corporation]
Direct Link  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

MT9126AS Datasheet(HTML) 13 Page - Mitel Networks Corporation

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Preliminary Information
MT9126
8-45
Figure 9 - ST-BUS PCM and ADPCM Bypass Relative Timing
EN1 (output)
EN2 (output)
MCLK
F0i
C2o
ADPCMi
ADPCMo
SEL=0
SEL=1
PCMi1
PCMo1
B1
B2
DC
PCMi2
PCMo2
B3
B4
B1/B3
B2/B4
DC
ADPCMi/o
ADPCMi/o
B3
B4
PCMi/o1
PCMi/o2
D
C
B1
B2
DC
B3
B4
B1
B2
32 kb/s
24 kb/s bit 4 = X
(16 kb/s)
PCMi/o1
PCMi/o2
D
C
B1
SEL=0
SEL=1
B2
B4
B3
B3
B4
C
D
x xxx
B2
B1
01
01
01
P
C
M
B
y
p
a
s
s
A
D
P
C
M
B
y
p
a
s
s
x xxx
0 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
1 2 3 4
1 2 3 4
1 2 3 4 1 2 3 4
1 2 3 4 1 2 3 4
1 2 1 2 1 2 1 2
1 2 1 2 1 2 1 2
1 2 x x x x x x
B1
B2
B4
B3
1 2 x x x x x x
1 2
x x x x x x
1 2
x x x x x x
1 2 3 4
x xxx
1 2 3 4
x xxx
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
0 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
0 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
0 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
0 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
outputs = High impedance
inputs = don’t care
X = undetermined logic level output; don’t care input
Two frame delay from data input to data output
Outputs high impedance outside of channel boundaries
ENB2/F0od



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