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Summary of Contents for Texas Instruments DS125DF1610
- Page 1 DS125DF1610EVM User's Guide Literature Number: SNLU159B April 2014 – Revised September 2018...
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Page 2: Table Of Contents
The following user guide details the functionality of DS125DF1610 Evaluation Board Module (EVM) as well as the Graphic User Interface (GUI) based tool SigCon Architect. The DS125DF1610 device profile can be used to read and write register settings via the SMBus. For a functional description of the DS125DF1610, refer to the DS125DF1610 data sheet. -
Page 3: Snlu159B – April 2014 – Revised September
Hardware Overview The DS125DF1610 evaluation board can be powered from a 3.3 V or 2.5 V power supply via banana cables. There are 4 quads each with 4 channels for a total of 16 channels. Channels 8 – 11 are connected via SMA connectors. -
Page 4: Required Software
SigCon Architect software, and for ease of use, add the shortcut to the desktop. With the software still closed, run the device profile updater for the DS125DF1610 as indicated in the previous guide. • Hook up the power supply to the DS125DF1610EVM with the output disabled. -
Page 5: Selection Sidebar
DS150DF1610 Retimer profile already loaded. In order to initiate reading and writing of the registers, the ‘Demo Mode’ box in the upper right hand corner must be deselected. Figure 2. DS125DF1610 Profile GUI Selection Sidebar The ‘selection’ sidebar shows the current active device profiles. When the device is active and configurable, this will show the sub-pages that are used to control the device: Configuration, Low Level Page, Eye Monitor Page, EEPROM Page, and High Level Page. -
Page 6: Low Level Tab
Make sure to set the REF_CLK value to the 312.5 MHz value, as this is the default for this board. Low Level Tab In this tab, the user can find all of the register values that are on the DS125DF1610 board, including both shared values and values unique to each of the input and output channels. -
Page 7: Eye Monitor Tab
HEO and VEO, can be viewed under EYE opening values. Figure 7. Internal Eye Monitor Tab SNLU159B – April 2014 – Revised September 2018 DS125DF1610EVM Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 8: Device Status Tab
‘Force Enabled’ can be selected. Conversely, in order to disable a channel regardless of whether a signal is detected ‘Force Disabled’ can be selected. DS125DF1610EVM SNLU159B – April 2014 – Revised September 2018 Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... -
Page 9: Receiver Tab
Figure 9. Transmitter Tab The DS125DF1610 output driver has 22 VOD level settings ranging from 150 mV to 1200 mV in 50 mV increments. When the retimer is reset, the VOD level will return to the default value of 1000 mV. The ‘Edge Rate Select’... - Page 10 Receiver Tab www.ti.com Figure 10. Receiver Tab The ‘Adapt Mode Selection’ section is for the setting the adapt mode of the DS125DF1610. Refer to Table 2 for explanations of each adapt mode. Table 2. Adapt Mode Descriptions Adapt Mode Description...
- Page 11 CDR Tab Within the ‘Mode Selection’ section there are two options for setting the data rate that the DS125DF1610 expects to receive – ‘Standard Rate’ and ‘Manual Mode.’ ‘Standard rate’ gives the user the option to select the data rate they are running at for a defined set of protocols, without having to manually program the expected data rate.
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Page 12: Prbs Generator/Checker Tab
PRBS Generator/Checker Tab The DS125DF1610 is equipped with an on-board PRBS generator as well as a PRBS checker. The PRBS generator and PRBS checker should be operated from different channels. The PRBS generator can generate a pseudo-random bit sequence on the transmit side of a channel. It can then be run through a cable or backplane, and checked by the receiver channel that is configured for the PRBS checker. -
Page 13: Scripting Tab
Python script. After finished, select stop recording from the same menu. Figure 14. Scripting Tab SNLU159B – April 2014 – Revised September 2018 DS125DF1610EVM Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated... - Page 14 Page ......................• Changed picture in Figure 1 ..........• Changed sections 2-15 from supporting Analog Launch Pad to Sigcon Architect Revision History SNLU159B – April 2014 – Revised September 2018 Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated...
- Page 15 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2018, Texas Instruments Incorporated...
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