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Texas Instruments DS280DF810EVM User Manual Download Page 2

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2

SNLU214A – July 2016 – Revised September 2019

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Copyright © 2016–2019, Texas Instruments Incorporated

DS280DF810EVM User’s Guide

Contents

1

Hardware Description and Setup

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3

2

Software Description

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4

3

Best Practices and Usage Tips

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21

4

Test Case Examples

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22

5

Supplemental Documents

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23

6

EVM Cable Assemblies

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24

List of Figures

1

DS280DF810EVM, Showing Necessary Connections for Power, Signal, and USB Communications

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3

2

Download SigCon Architect from www.ti.com

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4

3

Sigcon Architect Start-Up Screen

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5

4

Capture Illustrating the

Manage Devices

Pop-Up Window for Adding New Part Numbers to the

Selection

Panel

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6

5

Low-Level Page Capture Illustrating the Different Block Select Options

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7

6

Low-Level Page Capture After Selecting Access to an Individual Register

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7

Eye Monitor Page for DS280DF810 Profile

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8

EEPROM Page for DS280DF810 Profile

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9

High-Level Page, with Block Diagram Tab Selected

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10

10

High-Level Page, with Device Status Tab Selected

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11

11

Rx EQ/DFE Tab

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Cross-Point Tab, Default Mode Selected

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Cross-Point Tab, Fanout Mode Selected

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Cross-Point Tab, Lane Crossing Mode Selected

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CDR Tab, Standard Mode Selected

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CDR Tab, Manual Mode Selected

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17

TX FIR Tab

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18

PRBS Tab, PRBS Generator Configuration

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PRBS Tab, PRBS Checker Configuration

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20

20

SDD21 Loss Characteristic of Example Test Case

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22

Trademarks

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Summary of Contents for DS280DF810EVM

Page 1: ...le power supply and minimal need for external components These features reduce PCB routing complexity and BOM cost The advanced equalization features of the DS280DF810 include a low jitter 3 tap trans...

Page 2: ...the Selection Panel 6 5 Low Level Page Capture Illustrating the Different Block Select Options 7 6 Low Level Page Capture After Selecting Access to an Individual Register 7 7 Eye Monitor Page for DS2...

Page 3: ...3V power 2A max as shown below The EVM has an on board 3 3V to 2 5V regulator to supply the Retimer with the required 2 5V Figure 1 DS280DF810EVM Showing Necessary Connections for Power Signal and US...

Page 4: ...ww ti com tool sigconarchitect and download the latest version of SigCon Architect At the time this document was written the latest version of SigCon Architect is 2 0 0 4 Figure 2 Download SigCon Arch...

Page 5: ...Go to Device tab and choose Manage Devices 2 Click on icon and then select the DS280DF810 device model 3 Fill in the New Device Name DS280DF810 is recommended 4 Select the slave address as configured...

Page 6: ...own below The user may click Read All to load the data in each register from the device to the Register Map The user may access the Shared Global or Channel registers via Block Select To Read a regist...

Page 7: ...019 Submit Documentation Feedback Copyright 2016 2019 Texas Instruments Incorporated DS280DF810EVM User s Guide Figure 5 Low Level Page Capture Illustrating the Different Block Select Options Figure 6...

Page 8: ...a given channel if CDR Locked is indicated The EOM_SEL_VRANGE pull down allows the user to adjust the vertical scale for eye plots The user may perform a Single Capture of eye monitor plot or select...

Page 9: ...tings are described in greater detail below Common Channel If this box is checked all channels receive the same configuration Different devices can receive different configurations but within one devi...

Page 10: ...es Base Header of devices 8 Bytes device Address Header of slots 66 Bytes slot Data EEPROM Size 256 Bytes EEPROM Size 3 Bytes Base Header of devices 12 Bytes device Address Header of slots 66 Bytes sl...

Page 11: ...R lock status is displayed Note that each channel s CDR status and configuration is independent from the others EQ Boost This field displays the Rx Continuous Time Linear Equalizer CTLE boost value as...

Page 12: ...modes To do so the user should click on the desired adapt mode then click Apply to Channel to configure a specific retimer channel Alternatively the user may broadcast the new adapt mode setting by c...

Page 13: ...nfigure the 2x2 cross point implemented for each of the adjacent channel pairs of the DS280DF810 retimer With the Pair Select pull down the user can choose which cross point pair to configure 0 1 2 3...

Page 14: ...14A July 2016 Revised September 2019 Submit Documentation Feedback Copyright 2016 2019 Texas Instruments Incorporated DS280DF810EVM User s Guide Figure 12 Cross Point Tab Default Mode Selected Figure...

Page 15: ...y the mode that the retimer is currently set to along with the data rate setting and also the divider setting in the case of Manual Mode Standard Mode allows the user to program the retimer rate sub r...

Page 16: ...then see the manual mode input fields become adjustable Select the desired divider setting from the Divider Configuration pull down Select divide by 1 when data rate 13 Gbps Select divide by 2 when 1...

Page 17: ...oftware Description 17 SNLU214A July 2016 Revised September 2019 Submit Documentation Feedback Copyright 2016 2019 Texas Instruments Incorporated DS280DF810EVM User s Guide Figure 16 CDR Tab Manual Mo...

Page 18: ...rsor and post cursor equalization ratios Figure 17 TX FIR Tab Upon landing on the TX FIR tab the page will display the current decimal values and polarity for the main cursor post cursor and pre curso...

Page 19: ...the High Level page allows the user to configure the PRBS generator or Checker functions on any of the channels of the DS280DF810 retimer To enable PRBS Generator on a channel Select the desired chann...

Page 20: ...Period Set pull down to Infinite if it desired to run extended duration test without time limit If Finite period is desired set the pull down to Finite and enter the desired test duration via the Hou...

Page 21: ...DR lock and status indicators to see if the link is established 3 If the CDR is in lock the CDR lock indicator on the page will turn green and display CDR locked 3 Check the Horizontal Eye Opening HEO...

Page 22: ...rtion loss 35 dB at 12 9 GHz Crosstalk at victim RX 4 1 mV RMS 24 1 mVppd Victim TX amplitude 1200 mVppd Victim TX FIR C 1 4 C 0 24 C 1 3 Adapt mode 2 Adapted RX CTLE 3 0 0 0 Adapted DFE 0x14 0x2 0x1...

Page 23: ...0 84 4 93 8 103 1 112 5 121 9 131 3 140 6 150 0 159 4 168 8 178 1 187 5 196 9 206 3 215 6 225 0 234 4 243 8 253 1 262 5 271 9 281 3 290 6 1 000 0 750 0 500 0 250 0 0 250 0 500 0 750 1 000 5 Supplement...

Page 24: ...ere are three part numbers that TI suggests using with this EVM 1 85014420 MF53 1x8A_21MXP 21SMA 152 MXP 15 cable assembly This is a lower cost cable assembly compared to the MXP 40 but the SI perform...

Page 25: ...t Documentation Feedback Copyright 2016 2019 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current versi...

Page 26: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 27: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 28: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 29: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 30: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 31: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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