SI5040-A-GM Silicon Laboratories Inc, SI5040-A-GM Datasheet - Page 54
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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
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Si5040
Register 21. sliceLvl
Reset settings = 0000 0000
Register 22. sliceLvl
Reset settings = 0000 0000
54
15:8
Bit
7:0
Bit
Name
Name
Type
Type
Bit
Bit
sliceLvl[15:8]
sliceLvl[7:0]
Name
Name
D15
D7
Slice Level.
Least significant byte of slice level setting. 2's compliment signed value.
Absolute mode:
Proportional Mode:
Constant Duty Cycle Mode:
Slice Level.
Most significant byte of slice level setting. 2s compliment signed value.
Absolute mode:
Proportional Mode:
Constant Duty Cycle Mode:
Note: The slice level defined by Register 22 and 21 gets updated together after Register 21, the
D14
D6
least significant byte of the 16-bit field, has been written. Prior to writing Register 21, the
value written to Register 22 is stored into a mirroring register first. Any read to Register 22
prior to writing Register 21 will not return the intended value.
D13
D5
Rev. 0.86
D12
D4
sliceLvl[15:8]
7FFFH = maximum slice offset = +240 mV
8000H = minimum slice offset = –240 mV
Threshold = 50% + sliceLvl/65536 x 100
7A7AH = maximum duty cycle = ~74%
7FFFH = maximum slice offset = +240 mV
8000H = minimum slice offset = –240 mV
Threshold = 50% + sliceLvl/65536 x 100
7A7AH = maximum duty cycle = ~74%
8586H = minimum duty cycle = ~26%
8586H = minimum duty cycle = ~26%
sliceLvl[7:0]
Duty Cycle
Duty Cycle
R/W
R/W
Function
Function
D11
D3
=
=
50%
50%
+
+
sliceLvl 15:0
-------------------------------------- - %
sliceLvl 15:0
-------------------------------------- - %
D10
D2
1310
1310
D1
D9
D0
D8
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