MT9125AP 데이터 시트보기 (PDF) - Mitel Networks
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MT9125AP Datasheet PDF : 16 Pages
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Preliminary Information
MT9125
MT8910
Lin+
Lin-
Lout+
Lout-
F0b
C4b
DSTo
DSTi
C4ib
FPob
FPb
System Frame pulse or
delayed frame pulse
from previous selection
MT8980
C & D Channel
Switch
1/2 bandwidth
unusable
MT9125
C2o
ENS
BCLK
F0i
EN1
MCLK
EN2
ADPCMi
ADPCMo
ENA
DSTi
DSTo
ENB1
ENB2
MT9125
VDDAAADAASATAiAADASAATAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
FPib
FPob
C2o
ENS
FPib
BCLK
F0i
EN1
MCLK
EN2
ADPCMi
ADPCMo
ENA
DSTi
DSTo
ENB1
ENB2
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
FPob
FPib
FPob
MT8980
B Channel Switch
FPib
DSTi DSTo C4ib
DSTo
DSTi
C4ib
1
DSTo
DSTi
C4ib
7
DSTo
DSTi
C4ib
8
Figure 10 - Application (ST-BUS Line Card)
MT89xx
T
Lout
R
Lin
AAAAAAAAAAAAAAAAAAARTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALLAAAAAAAAAAAAAioAAAAAAAAAAAAAnut
F0b
C4b
DSTo
DSTi
The layer 1 device shown may be the 2-wire
MT8910 or MT8972 or the 4-wire MT8930.
VDD
MT9125
C2o
ENS
BCLK
F0i
EN1
MCLK
EN2
DSTi ADPCMi
DSTo ADPCMo
ENB1
ENB2
ENA
BIT CLOCK
ADPCM ENABLE
RFB1
RFB2
2 Channel RF Section
B1
B2
B3 B2 B1 B0 B3 B2 B1 B0
ADPCM nibbles concatenated into one 8
bit timeslot
B1
B2
B7 B6 B5 B4 B3 B2 B1 B0 B7 B6 B5 B4 B3 B2 B1 B0
B1
B2
B3 B2 B1 B0 X X X X B3 B2 B1 B0 X X X X
Normal ST-BUS channel assignment
In ADPCM by-pass mode (MS pin control)
the ADPCM nibbles are automatically
inserted into the most significant nibbles
of the 8-bit DSTi/o B1 and B2 bytes.
ENB1 (and ENA)
ENB2
Figure 11 - Application (2-Channel, Wireless-set, Base Station)
8-27
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