SI5040-D-GM Silicon Laboratories Inc, SI5040-D-GM Datasheet - Page 76

• Manufacturer Part Number: SI5040-D-GM
• Description: IC TXRX XFP 10GBPS 32LGA
• Manufacturer: Silicon Laboratories Inc

Specifications of SI5040-D-GM

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si5040
Register 135. TxConfig
Reset settings = 1001 0100
76
Bit
7:5
4
3
2
1
0
Name
Type
Bit
CDRLTDATA
uselolMode
Reserved
Reserved
lolMode
Name
ltr
D7
Do not change; must only write 100 to these bits.
CDR Lock Acquisition Options when Lock to Reference is Enabled.
0 = CDR phase locks to reference clock.
1 = CDR continues to attempt to lock to data.
Loss of Lock Mode Overwrite.
0 = Auto select LOL mode is based upon the tx CMU mode. The selected LOL mode can
be read from the LOL mode bit 2.
1 = LOL is based on lolMode bit2.
Loss of Lock Mode (This bit is only used if bit3 = 1).
0 = LOL bases on frequency difference between the reference clock and received data.
1 = LOL bases on SQM.
Lock to Reference.
0 = Normal operation.
1 = CMU is locked to reference clock.
Read returns zero.
D6
D5
CDRLTDATA
Rev. 0.86
D4
R/W
Function
uselolMode
D3
lolMode
D2
D1
ltr
D0
R