M21050_17 Datasheet, PDF (40/70 Pages) M/A-COM Technology Solutions, Inc. – Duplex Quad (Octal) Multi-Rate CDR (1.0 Gbps - 3.2 Gbps)

M21050 Data Sheet
2.1.24
CDR Loss of Lock Register Alarm Status
Table 2-24. CDR Loss of Lock Register Alarm Status (Alarm_LOL: Address 30h)
Bits
Type
Default
Label
Description
7:0
R
N/A
LOL
Latched loss of lock alarm status
1b = loss of CDR lock, 0b = normal operation
[7]: CDR B3
[6]: CDR B2
[5]: CDR B1
[4]: CDR B0
[3]: CDR A3
[2]: CDR A2
[1]: CDR A1
[0]: CDR A0
Note: After a clear (Globctrl [0] = 1), this register is cleared and will
latch any new alarms that make a L to H transition, and set any pre-
existing alarm conditions to H.
2.1.25
Loss of Activity Register Alarm Status
Table 2-25. Loss of Activity Register Alarm Status (Alarm_LOA: Address 31h)
Bits
Type
Default
Label
Description
7:0
R
N/A
LOA
Latched loss of activity alarm status
1b = loss of input signal, 0b = normal operation
[7]: CDR B3
[6]: CDR B2
[5]: CDR B1
[4]: CDR B0
[3]: CDR A3
[2]: CDR A2
[1]: CDR A1
[0]: CDR A0
Note: After a clear (Globctrl [0] = 1), this register is cleared and will
latch any new alarms that make a L to H transition, and set any pre-
existing alarm conditions to H.
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21050-DSH-001-F
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