Datacom Systems D56 Especificações Página 26

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Si5040
26 Rev. 1.3
Figure 15. RX LOS and LOL Block Diagram
LOS
(Bit 5, Register 9,
Bit 0, Register 11 or Pin 3)
Frequency
Offset
Monitor
SqmLol
Reference Clock
LOL
(Bit 4, Register 9 or Pin 2)
Peak-to-
Peak
Monitor
aLosEn
(Bit 0, Register 10, Default= 1)
aLOS
(Bit 1, Register 11)
aLOSThresh (Bit 1:0, Register 13 and Bit 7:0, Register 12)
aLOSHyst[3:0] (Bit 7:4, Register 13)
Signal
Quality
Monitor
sqmLosEn
(Bit 3, Register 10, Default= 0)
sqmLOS
(Bit 4, Register 11)
RxSqmThresh[5:0] (Bit 7:2, Register 26)
RxSqmDeassertThresh[5:0] (Bit 5:0, Register 27)
RxSqmValue[5:0]
(Bit 5:0, Register 25)
DLOS
Monitor
dLosEn[1:0]
(Bit 2:1, Register 10)
dLOS
(Bit 2, Register 11)
RxdLosAssertThresh[7:0] (Bit 7:0, Register 17)
RxdLosClearThresh (Bit 7:0, Register 18)
EN
EN
sqmAlarm
(Bit 0, Register 9)
1
lolOnLos
(Bit 6, Register 7, Default= 0)
00: Disabled (Default)
01: Based on consecutive number of 1s
01: Based on consecutive number of 0s
01: Based on either consecutive number of 1s or 0s
useLolMod
(Bit 3, Register 7, Default= 0)
lolMode
(Bit 2, Register 7)
1 (Default)
0
Select
FreqLol
Rx Recovered Clock
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