SI5040-A-GM Silicon Laboratories Inc, SI5040-A-GM Datasheet - Page 75
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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: 75 of 104
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Register 134. TxCmuConfig
Reset settings = 0100 0000
Bit
7:4
2:0
3
Name
Type
Bit
cmuBandwidth[3:0] TxCMU Jitter Transfer Bandwidth.
cmuMode[2:0]
Reserved
Name
D7
0000 = 180 Hz
0001 = 1.37 kHz
0010 Not supported.
0011 Not supported.
0100 = 380 kHz
0101 Not supported.
0110 Not supported.
Note: A manual recalibration (hardRecal = 1 in Register 8) is required after a change in the
Read returns zero.
CMU Mode of Operation.
000 = Referenceless Mode.
001 = Synchronous Reference Clock Mode.
010 = Asynchronous Reference Clock Mode.
110 = Looptime Mode with Clean Reference Clock. (Recommended CMU
Note: An automatic recalibration is executed after a change in timing mode.
cmuBandwidth[3:0]
D6
bandwidth = 1.37 kHz.)
CMU jitter transfer bandwidth.
R/W
D5
Valid for CMU modes 2, 6, 7 only.
Valid for CMU modes 2, 6, 7 only.
Valid for CMU modes 0 and 1 only.
Rev. 0.86
D4
Function
D3
R
D2
cmuMode[2:0]
R/W
D1
Si5040
D0
75
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