
Datasheet
5
Contents
Tables
1
2
3
4
5
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7
8
9
10
11
12
13
14
15
16
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18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Intel
LXT6155 Pin Descriptions...................................................................................................8
Standards Compliance ...............................................................................................................16
Reference Clock Settings1.........................................................................................................20
Loopback Selection ....................................................................................................................20
MODE Line Interface Settings....................................................................................................21
Device Address/Control Byte......................................................................................................26
Intel
LXT6155 Register Map (A<3:0>) ......................................................................................26
Primary Control Register Settings, Register #0 (Address A<3:0>=0000)..................................27
Tx Control, Register #1 (Address A<3:0>=0001) ......................................................................27
Transmit PLL1, Register #2 (Address A<3:0>=0010).................................................................28
Transmit PLL2, Register #3 (Address A<3:0>=0011).................................................................28
Equalizer Load, Register #4 (Address A<3:0>=0100)...............................................................28
Equalizer & AGC, Register #5 (Address A<3:0>=0101)............................................................28
Matching Filter 2, Register #6 (Address A<3:0>=0110) ............................................................29
Slicer, Register #7 (Address A<3:0>=0111)...............................................................................29
RxPLL 1, Register #8 (Address A<3:0>=1000) ..........................................................................29
Rx PLL 2, Register #9 (Address A<3:0>=1001) ........................................................................30
Test, Register #10 (Address A<3:0>=1010)..............................................................................30
Register, Bias and Fuse Controls, Register #11 (Address A<3:0>=1011) ................................30
Rx Digital 1, Register #12 (Address A<3:0>=1100)...................................................................30
Rx Digital 2, Register #13 (Address A<3:0>=11001)..................................................................31
Status Control, Register #14 (Address A<3:0>=1110) ..............................................................31
Read-Only Register #15 (Address A<3:0>=1111)......................................................................32
Transformer Specifications.........................................................................................................35
Crystal Specifications .................................................................................................................36
Absolute Maximum Ratings........................................................................................................36
Recommended Operating Conditions.........................................................................................36
DC Electrical Characteristics (Vcc = 3.0 V to 3.6 V; TA = -40 °C to 85 °C)................................37
Transmit Timing Characteristics (See
Figure 18
and
Figure 19
)................................................37
Transmit Analog Characteristics.................................................................................................38
Receive Timing Characteristics (See
Figure 20
and
Figure 21
).................................................39
Receive Analog Characteristics..................................................................................................40
Serial Control Timing..................................................................................................................41
Jitter Tolerance (in UIpp)............................................................................................................43
Jitter Generation.........................................................................................................................44
Jitter Transfer..............................................................................................................................44
Intel
LXT6155LE Package Specification (64-Pin Low-Profile Quad Flat Pack [Part
Number Intel
LXT6155LE, Extended Temperature Range: -40 °C to 85 °C])...........................47