Datacom Systems D56 Specifications Page 47

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Si5040
Rev. 1.3 47
Reset settings = 0000 0000
Register 4. RxintMask
BitD7D6D5D4D3D2D1D0
Name
refLOS LOS LOL fifoErr tpErrAlarm tpSyncLos sqmAlarm
Type
R R/W R/W R/W R/W R/W R/W R/W
Bit Name Function
7 Reserved Read returns zero.
6 refLOS Reference Clock LOS Interrupt.
0 = Unmasked. Reference clock LOS generates an alarm on the Interrupt output pin (pin
16) if interrupts are enabled. (intEnable = 1)
1 = refLOS alarm is ignored.
5LOSLoss of Signal Interrupt.
0 = Unmasked. LOS generates an alarm on the Interrupt output (pin 16) if interrupts are
enabled. (intEnable = 1)
1 = LOS alarm is ignored.
4LOLLoss of Lock Interrupt.
0 = Unmasked. LOL generates an alarm on the Interrupt output (pin 16) if interrupts are
enabled. (intEnable = 1)
1 = LOL alarm is ignored.
3fifoErrReceiver FIFO Error Interrupt.
0 = Unmasked. fifoErr generates an alarm on the Interrupt output (pin 16) if interrupts are
enabled (intEnable = 1). Will always read back zero if FIFOAutoReset is active
(Reg28[1] = 1).
1 = fifoErr alarm is ignored.
2 tpErrAlarm Test Pattern Generator/Checker Alarm Interrupt.
0 = Unmasked. tpErrAlarm generates an alarm on the Interrupt output (pin 16) if inter-
rupts are enabled. (intEnable = 1)
1 = tpErrAlarm is ignored.
1 tpSyncLos Test Pattern Checker Loss of Sync Interrupt.
0 = Unmasked. tpSyncLos generates an alarm on the Interrupt output (pin 16) if inter-
rupts are enabled. (initEnable = 1)
1 = tpSyncLos alarm is ignored.
0sqmAlarmSignal Quality Monitor Alarm Interrupt.
0 = Unmasked. sqmAlarm generates an alarm on the Interrupt output (pin 16) if inter-
rupts are enabled. (intEnable = 1)
1 = sqmAlarm is ignored.
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