MT9044AL 查看數據表（PDF） - Mitel Networks
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MT9044AL Datasheet PDF : 30 Pages
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Advance Information
MT9044
Description
State
Input Controls
Freerun
Normal
(PRI)
Normal
(SEC)
MS2 MS1 RSEL GTi
S0
S1
S2
0
0
0
0
0
0
0
1
0
0
1
X
0
1
0
X
0
1
1
X
1
0
X
X
S1
-
S1 MTIE
S1
-
S1 MTIE
S2
S2 MTIE
-
/
S1H
/
/
S2H
S2H
-
S0
S0
Legend:
-
No Change
/
Not Valid
MTIE State change occurs with TIE Corrector Circuit
Refer to Manual Control State Diagram for state changes to and from Auto-Holdover State
Table 4 - Manual Control State Table
Holdover
(PRI)
S1H
S1
S1 MTIE
S2 MTIE
-
/
S0
Holdover
(SEC)
S2H
S1 MTIE
S1 MTIE
S2 MTIE
/
-
S0
S0
Freerun
(10X)
S1
Normal
Primary
(000)
{A}
S1A
Auto-Holdover
Primary
(000)
S2A
Auto-Holdover
{A}
Secondary
(001)
S2
Normal
Secondary
(001)
(GTi=0)
(GTi=1)
S1H
Holdover
Primary
(010)
S2H
Holdover
Secondary
(011)
NOTES:
(XXX) MS2 MS1 RSEL
{A}
Invalid Reference Signal
Movement to Normal State from any
state requires a valid input signal
Phase Re-Alignment
Phase Continuity Maintained (without TIE Corrector Circuit)
Phase Continuity Maintained (with TIE Corrector Circuit)
Figure 7 - Manual Control State Diagram
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