
Si5040
4 Rev. 1.3
1. Si5040 Detailed Block Diagram
RX CDR
TX CDR
Equalizer
RX Pattern
Gen.
RX Pattern
Check
LA
DSPLL
TM
Jitter Attenuator
TX CMU
XFI LB Clk
XFI LB Data
XFI LB Clk
Line LB Data
RX_LOS
Serial Port
Communication
Interrupt
Control
Rx Phase Adjust
SLICE_ADJ
SQM
RX_LOL
TX Pattern
Check
Line LB Data
SPISEL
Line LB Clk
Line Recovered Data
XFI Recovered Data
Line Recovered
Clock
XFI Recovered
Clock
DLOS
TX LOS
DSPLL
TM
Jitter Attenuator
RX CMU
LTR
rxRefclkEn(x)
LTR
Digital
LOS
Tx Phase Adjust
refLOS
TXLOL
TXDOUT+
TXDOUT-
RXDIN+
RXDIN-
RD+
CML
RD-
TD+
TD-
REFCLK+
(optional)
LVPECL
REFCLK-
INTERRUPT
AND
SCK
RX FIFO
TX FIFO
REFCLK
Programmable
Equalizer
SQM
Measurement
Freq Offset
Measurement
DLOS
SQM
REFCLK
SD
SS
TX Pattern
Gen.
CML
RX EQ Gain
RX EQ HF Boost
XFI LB Data
RX LOS
Digital
LOS
RXLOL
Peak
Detector
Analog
LOS
ALOS
SQM
Measurement
Freq Offset
Measurement
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