Texas Instruments DS125DF111EVM User Manual Download Page 17 | Manualshive

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Example Waveforms

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SNLU158A – January 2014 – Revised January 2016

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Copyright © 2014–2016, Texas Instruments Incorporated

DS125DF111EVM Evaluation Board

Figure 12. 10.3125 Gbps Rj/Dj Jitter Decomposition

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Summary of Contents for DS125DF111EVM

Page 1: ...DS125DF111EVM Evaluation Board User s Guide Literature Number SNLU158A January 2014 Revised January 2016...

Page 2: ...exas Instruments Incorporated Table of Contents Contents 1 Overview 4 2 Features 5 3 Applications 5 4 Ordering Information 5 5 Setup 6 5 1 Pin Control Mode 6 5 2 SMBus Slave Mode 9 5 3 EEPROM Mode 12...

Page 3: ...xDF111EVM Slave Mode Close Up 9 5 DS125DF111 High Level Page 10 6 DS125DF111 Low Level Page 11 7 DS125DF111 Eye Monitor Page 11 8 DS125DF111 EEPROM Hex File Generation Page 12 9 Top Assembly Layer 13...

Page 4: ...ary 2016 DS125DF111EVM Evaluation Board 1 Overview The Texas Instruments DS125DF111EVM evaluation module provides a high bandwidth platform with an SMA interface to evaluate the DS125DF111 dual channe...

Page 5: ...djustable Transmit VOD 600 to 1300 mVp p Settable Transmit De emphasis Driver to 12 dB Low Power Consumption 200 mW Channel Locks to Half Quarter Eighth Data Rates for Legacy Support On chip Eye Monit...

Page 6: ...gn This EVM and documentation focus on Pin Control and SMBus Slave Mode to highlight the ease of use and excellent low jitter performance of the DS125DF111 5 1 Pin Control Mode In Pin Control Mode the...

Page 7: ...OUTA and INB to OUTB 6 J91 VODA 1 k to GND L 600 mV output VOD on OUTA 7 J10 VODB 1 k to GND L 600 mV output VOD on OUTB 8 J41 DEMA 1 k to GND L 0 dB de emphasis on OUTA 9 J51 DEMB 1 k to GND L 0 dB d...

Page 8: ...de ratios 1 and 2 For divide ratios 4 and 8 a pre set equalization level is used 5 1 4 Loopback J6 and J61 control the DS125DF111EVM loopback function according to Table 4 Table 4 DS125DF111 Loopback...

Page 9: ...V supply to this pin 4 Floating the AD 1 0 inputs will result in an SMBus address 00 30 h 5 J3 ENSMB H SMBus Slave Mode 6 Connect the board signals SDA SCL and GND on J20 to a DPS DONGLE EVM or an eq...

Page 10: ...s Any registers not described in the datasheet tables should be treated as Reserved The user should not try to write new values to these registers The user accessible registers described in the datash...

Page 11: ...Board Figure 6 DS125DF111 Low Level Page Figure 7 DS125DF111 Eye Monitor Page For more information about functions about SigCon Architect and the retimer profiles please reference the SigCon Architect...

Page 12: ...startup settings from a programmed EEPROM in the 8 pin DIP socket U2 SigCon Architect can be used to generate an EEPROM Hex file by configuring the EEPROM page settings Figure 8 DS125DF111 EEPROM Hex...

Page 13: ...125DF111EVM The EVM uses simple 100 mil headers to control the output signal integrity functions The DS125DF111EVM is very compact and low power The board traces have been designed for connection to s...

Page 14: ...MA5 142 0771 821 SIG 1 GND 2 GND 3 GND 4 GND 5 R16 1K C11 0 22 R9 1K J41 WM6502 ND 1 2 R2 20K J3 WM6503 ND 1 2 3 J51 WM6502 ND 1 2 J4 WM6503 ND 1 2 3 C2 0 1u C7 0 1u J16 WM8121 ND 1 2 3 4 5 6 J9 WM650...

Page 15: ...J3 J4 J5 J6 J9 J19 J20 CONN HEADER 3POS 100 VERT GOLD Molex 22 28 4033 2 J10 J16 CONN HEADER 6POS 100 STR TIN Molex 90131 0123 7 J14 J41 J51 J61 J91 J141 J161 CONN HEADER 2POS 100 VERT GOLD Molex 22 2...

Page 16: ...uation Board 9 Example Waveforms With the default power up configuration the DS125DF111 is designed to lock to 12 288 9 8304 6 144 4 9152 3 072 2 4576 1 536 and 1 2288 Gbps encoded data The results in...

Page 17: ...Waveforms 17 SNLU158A January 2014 Revised January 2016 Submit Documentation Feedback Copyright 2014 2016 Texas Instruments Incorporated DS125DF111EVM Evaluation Board Figure 12 10 3125 Gbps Rj Dj Ji...

Page 18: ...and Ordering Information contents 5 Changed source formatting of Pin Control descriptions 6 Changed connection to reflect operation with SigCon Architect through the DPS DONGLE EVM adapter board 9 Ad...

Page 19: ...are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasona...

Page 20: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 21: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 22: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 23: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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