Protocol analysis
R&S
®
RTO6
952User Manual 1801.6687.02 ─ 05
For information on how to proceed with the configuration settings, see Chap-
ter 13.26.4.1, "PCIe trigger settings", on page
942.
13.26.5
PCIe Gen 1/2 decode results
When the configuration of the serial bus is complete, the signal can be decoded:
1. In the "Serial Bus" dialog > "Setup" tab, enable "Decode".
2. In the "Serial Bus" dialog > "Display" tab, select additional result display settings:
"Show table" and "Show binary".
3. If required, enable "Zoom coupling"
For a description of the display settings, see also Chapter 13.1.3, "Display",
on page 487.
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 13-49: Content of the Decode results table
Column Description
State Overall state of the packet
Start Start time of the packet
Type Type of packet
Sequence count Sequence count
Tag Tag of the packet
Length Length of packet
Address Value of the address
HdrFC Credit value of the header
PCIe (option R&S RT
O6-K72)
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