Software Description
8
SNLU214A – July 2016 – Revised September 2019
Copyright © 2016–2019, Texas Instruments Incorporated
DS280DF810EVM User’s Guide
2.2.2
Eye Opening Monitor (EOM) Page
The Eye monitor page allows the user to visualize DS280DF810 eye plots, a means of assessing received
signal quality after equalization.
•
Select the channel for eye plotting. Note that plots can only be generated for 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
Continuous Capture
to
accumulate multiple plots over a period of time.
•
The Horizontal Eye Opening (HEO) and Vertical Eye Opening (VEO) may be read on the Eye Monitor
page.
•
If the user desires to do their own analysis or post-processing of the EOM data, the
Export Raw Data
and
Export Density
buttons respectively generate an Excel spreadsheet containing the 63x63 eye
monitor values matrix.
Figure 7. Eye Monitor Page for DS280DF810 Profile