STC5230_15 Datasheet, PDF (43/64 Pages) Connor-Winfield Corporation – Line Card Clock

Default value: 0
T4_PLL_Status, 0x54 (R)
0x4e - 0x53, 4 bits
1 ~ 15
STC5230
Synchronous Clock for SETS
Data Sheet
Reference Priority
1 ~ 15
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x54
HHA
AHR
Reserved
SAP
OOP
LOL
LOS
SYNC
SYNC
Indicates synchronization has been achieved
0 = Not synchronized
1 = Synchronized
LOS
Loss of signal of the active reference
0 = No Loss
1 = Loss
LOL
Loss of lock (Failure to achieve or maintain lock)
0 = No loss of lock
1 = Loss of lock
OOP
Out of pull-in range
1 = Out of pull-in range
0 = In range
SAP
Indicates the output clocks have stopped following the selected reference, caused by out of pull-in
range
1 = Stop following at pull-in range boundary
0 = Following
AHR
Device Holdover History Tracking
1 = Device holdover history is being tracked
0 = Device holdover history is not tracked, the value based on the latest available history
HHA
Indicates if holdover history is available. Config the register T4_Control_Mode to select which
of holdover history is used: Device Holdover History or User Supplied History.
1 = Available
0 = Not available
HHA
1
1
0
0
AHR
1
0
0
1
Holdover Status
Holdover History available: Device Holdover History tracking on the current active reference
Holdover History available: Device Holdover History based on last available history
Holdover History not available
Not applicable
Page 43 of 64 TM102 Rev: 3.0
© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Date: September 14, 2011