MT8940 데이터 시트보기 (PDF) - Mitel Networks
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MT8940 Datasheet PDF : 16 Pages
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ISO-CMOS MT8940
Crystal Clock
(16.388 MHz
± 32 ppm)
MT8940
MS0
MS1
MS2
MS3
F0i
C12i
ENCV
C8Kb
C16i
ENC4o
ENC2o
Ai
Bi
VSS RST
VDD
C4b
C2o
F0b
Yo
MH89790
DSTi
C2i
DSTo
F0i
CSTi0
CSTi1
CSTo
RxA
OUTA
RxB
TRANSMIT
OUTB
RxD
RxT
RxR
RECEIVE
MT8980/81
ST-BUS
SWITCH
CEPT
PRIMARY
MULTIPLEX
DIGITAL
LINK
Mode of Operation for the MT8940
DPLL #1 - NOT USED
DPLL #2 - NORMAL (MS0=0; MS1=0; MS2=1; MS3=1)
Figure 7 - Synchronization at the Slave End of the CEPT Digital Transmission Link
Crystal Clock
(16.388 MHz
± 32 ppm)
MT8940
MS0
VDD
MS1
MS2
C4o
MS3
F0i
C12i
C4b
ENCV
C8Kb
C2o
C16i
ENC4o
ENC2o
C2o
Ai
Bi
F0b
VSS RST
DPLL #1 - NOT USED
DPLL #2 - NORMAL MODE
(MS0=0; MS1=0; MS2=1;
MS3=1)
ST-BUS
TIMING
SIGNALS
Crystal Clock
(16.388 MHz
± 32 ppm)
DPLL #1 - NOT USED
DPLL #2 - NORMAL MODE
(MS0=0; MS1=0;
MS2=1; MS3=1)
MT8940
MS0
MS1
MS2
MS3
F0i
C12i
ENCV
C8Kb
C16i
ENC4o
ENC2o
Ai
Bi
VSS RST
VDD
C4o
C4b
C2o
C2o
F0b
ST-BUS
TIMING
SIGNALS
Figure 8 - Generation of the ST-BUS Timing Signals
3-35
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