參數(shù)資料
型號: ZL50015
廠商: Zarlink Semiconductor Inc.
英文描述: Enhanced 1 K Digital Switch with Stratum 4E DPLL
中文描述: 增強(qiáng)1K的數(shù)字交換與地層4E條數(shù)字鎖相環(huán)
文件頁數(shù): 72/122頁
文件大?。?/td> 926K
代理商: ZL50015
ZL50015
Data Sheet
72
Zarlink Semiconductor Inc.
1 - 0
DPM1 - 0
DPLL Timing Mode Status Bits:
These bits indicate the DPLL’s timing mode status.
Bit
Name
Description
15 - 4
Unused
Reserved
In normal functional mode, these bits is zero.
3
LCI
Lock Change Interrupt Bit
If the device sets this bit to high, the device lock status has changed.
2
RCI
Reference Change Interrupt Bit
If the device sets this bit to high, the selected reference has changed.
1
HOI
Holdover Interrupt Bit
If the device sets this bit to high, the device has entered or recovered from the
holdover/MTIE mode.
0
Unused
Reserved
In normal functional mode, this bit is zero.
Note 1:
If any of these bits are set, the interrupt output will become active unless the Interrupt Mask Register (IMR) has a high
value for that particular bit.
Note 2:
Any of these bits can be cleared by setting the appropriate bit in the Interrupt Clear Register.
Table 36 - Interrupt Register (IR) Bits - Read Only
Bit
Name
Description
Table 35 - Reference Change Status Register (RCSR) Bits - Read Only (continued)
External Read Only Address: 004C
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
SLM
LST
RFR2
RFR1
RFR0
RES1
RES0
DPM1
DPM0
DPM1
DPM0
DPLL
Timing Mode State
0
0
MTIE
0
1
Normal
1
0
Holdover
1
1
Freerun
External Read Only Address: 0066
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
LCI
RCI
HOI
0
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參數(shù)描述
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