SI5040-A-GM Silicon Laboratories Inc, SI5040-A-GM Datasheet - Page 76
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SI5040-A-GM
Manufacturer Part Number
SI5040-A-GM
Description
IC TXRX XFP 10GBPS 32MLP
Manufacturer
Silicon Laboratories Inc
Type
Transceiverr
Specifications of SI5040-A-GM
Voltage - Supply
1.8V, 3.3V
Mounting Type
Surface Mount
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Product
RF / Wireless
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Drivers/receivers
-
Protocol
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- Current page: 76 of 104
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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
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