參數(shù)資料
型號(hào): MT9126
廠商: Mitel Networks Corporation
英文描述: Quad ADPCM Transcoder(四ADPCM編解碼器)
中文描述: 四差分PcM轉(zhuǎn)碼器(四差分PcM編解碼器)
文件頁數(shù): 13/25頁
文件大?。?/td> 138K
代理商: MT9126
MT9126
8-13
Figure 9 - ST-BUS PCM and ADPCM Bypass Relative Timing
EN1 (output)
EN2 (output)
MCLK/C4i
F0i
C2o
ADPCMi
ADPCMo
SEL=0
SEL=1
PCMi1
PCMo1
B1
B2
D
C
PCMi2
PCMo2
B3
B4
B1/B3
B2/B4
D
C
ADPCMi/o
32 kb/s
24 kb/s bit 4 = X
ADPCMi/o
(16 kb/s)
B3
B4
PCMi/o1
PCMi/o2
D
C
B1
B2
D
C
B3
B4
B1
B2
PCMi/o1
PCMi/o2
D
C
B1
SEL=0
SEL=1
B2
B4
B3
B3
B4
1 2 x x x x x x
C
D
x x x x
B2
B1
0 1
0 1
0 1
P
C
M
B
y
p
a
s
s
A
D
P
C
M
B
y
p
a
s
s
x x x x
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 3 4
x x x x
1 2 3 4
x x x x
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
Outputs high impedance outside of channel boundaries
Two frame delay from data input to data output
ENB2/F0od
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