Rohde & Schwarz RTP Series - DDR Eye Diagram Analysis

Protocol analysis
R&S
®
RTP
915User Manual 1337.9952.02 ─ 12
The instrument captures and decodes the signal according to the standard definition
and the configuration settings.
The color-coding of the various protocol sections and errors simplifies the interpretation
of the visual display. The decode information condenses or expands, depending on the
horizontal scale. Various data formats are available to show the result values.
Decode Results Table
The results are shown in two tables:
●
"Decode results": contains information about all decoded frames
●
"Details frame": contains more detailed information about the selected frame in the
"Decode results" table.
Table 13-45: Content of the Decode result table
Column Description
Frame Frame count
State Overall state of the frame indicating, for example, if the frame is valid or invalid
Start Time of frame start in relation to the trigger point
Frame Type Frame identifier specifying the data or control frame name
Word count Total number of words in the frame
Table 13-46: Content of the Details frame table
Column Description
State State of the field
Numeric Hexadecimal value of the field
Formatted Formatted content of the field
Remote commands
Remote commands are described in Chapter 22.17.24.2, "Decode results",
on page 2171.
13.23.4 DDR eye diagram analysis
The main application of eye diagrams is the analysis of signal integrity and signal qual-
ity.
DDR (option R&S
RTP-K91/K93 )