ds3104-se Maxim Integrated Products, Inc., ds3104-se Datasheet - Page 60

• Manufacturer Part Number: ds3104-se
• Description: Line Card Timing Ic With Synchronous Ethernet Support
• Manufacturer: Maxim Integrated Products, Inc.

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 7: Frame Sync Input Monitor Alarm (FSMON). This real-time status bit indicates the current status of the
frame sync input monitor. See Section 7.9.6.
Bit 6: T4 DPLL Lock Status (T4LOCK). This real-time status bit indicates the current phase lock status of the T4
DPLL. See Sections
Bit 5: T0 DPLL Frequency Soft Alarm (T0SOFT). This real-time status bit indicates whether or not the T0 DPLL is
tracking its reference within the soft alarm limits specified in the SOFT[6:0] field of the
Section 7.7.6.
Bit 4: T4 DPLL Frequency Soft Alarm (T4SOFT). This real-time status bit indicates whether or not the T4 DPLL is
tracking its reference within the soft alarm limits specified in the SOFT[6:0] field of the
Section 7.7.6.
Bits 2 to 0: T0 DPLL Operating State (T0STATE[2:0]). This real-time status field indicates the current state of the
T0 DPLL state machine. Values not listed below correspond to invalid (unused) states. See Section 7.7.1.
________________________________________________________________________________________ DS3104-SE
0 = no alarm
1 = alarm
0 = not locked to selected reference
1 = locked to selected reference
0 = No alarm; frequency is within the soft alarm limits
1 = Soft alarm; frequency is outside the soft alarm limits
0 = No alarm; frequency is within the soft alarm limits
1 = Soft alarm; frequency is outside the soft alarm limits
001 = Free-run
010 = Holdover
100 = Locked
101 = Prelocked 2
110 = Prelocked
111 = Loss-of-lock
FSMON
Bit 7
1
7.5.3
and 7.7.6.
T4LOCK
Bit 6
0
OPSTATE
Operating State Register
09h
T0SOFT
Bit 5
0
T4SOFT
Bit 4
0
Bit 3
—
0
Bit 2
0
T0STATE[2:0]
DLIMIT3
DLIMIT3
Bit 1
0
register. See
register. See
Bit 0
1
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