SI5040-D-GM Silicon Laboratories Inc, SI5040-D-GM Datasheet - Page 75

• 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

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
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