Si5040
Register 11. RxLosStatus
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
sqmLOS
dLOSlastTrigger
dLOS
aLOS
LOS
Type
R
R
R
R
R
R
R
R
Reset settings = 0000 0000
Bit
7:5
4
Name
Reserved
sqmLOS
Function
Read returns zero.
Signal Quality Monitor LOS.
When the internal signal quality monitor (Reg25) is less than the threshold in registers 26
and 27, this bit will be high. If a LOL (Reg9[4]) is high, this bit is forced to a 0.
3
dLOSlastTrigger Digital Loss of Signal Last Trigger.
Holds a zero or one depending on which bit caused the last digital LOS event.
2
1
0
dLOS
aLOS
LOS
Digital Loss of Signal.
Digital LOS event status bit.
Analog Loss of Signal.
Analog LOS event status bit.
Loss of Signal.
Reflects the state of the RX_LOS pin (pin 3).
Register 12. aLosThresh
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Type
Reset settings = 0000 1111
aLosThresh[7:0]
R/W
Bit
7:0
54
Name
aLosThresh[7:0]
Function
Analog Loss of Signal Threshold.
Lower 8 bits of the analog LOS threshold value in mVppd.
Note: Maximum analog LOS threshold is 400 mVppd.
Rev. 1.3
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