Protocol analysis
R&S
®
RTE
547User Manual 1326.1032.02 ─ 20
2. In the "Protocol" dialog > "Display" tab, select additional result display settings:
"Show decode table" and "Show binary signals".
For a description of the display settings, see also Chapter 13.1.3, "Display",
on page 515.
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.
The decoding process considers the "Bit order" configuration setting of the signal and
displays the binary result MSB first. Binary values in the combs of the decoded signal
also consider the "Binary bit order" setting in the "Display" tab. Thus, you can read the
bits of an LSB first signal in LSB first order in the combs while the results table displays
the correct values MSB first.
Figure 13-7: Decoded and binary SPI signal with SCLK, MOSI, and SS line
green brackets [...] = start and end of complete frame
red brackets [...] = start and end of incomplete frame
yellow = word
red = error
The "Decode results" box shows the detailed decoded data for each data frame.
Enable "Show Details" in the decode table to display a more detailed analysis of the
selected frame.
SPI bus (option R&S
RTE-K1)
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