Protocol analysis
R&S
®
RTO6
967
User Manual 1801.6687.02 ─ 05
Decode layer
Selects the decode layer.
Decoding is performed in several layers, and the end results are presented in the
decode table. The decode layer selects an interim step for which the decoding result is
shown in the honeycomb display.
"Edges"
All edges of each lane in stage 1 decoding.
"Bits"
All bits of each lane in stage 1 decoding.
"Word"
All words of each lane in stage 1 decoding.
13.27.1.3
Configuring the DDR signals
For configuration, assign the lanes to the input channels and define the logical thresh-
olds and the hysteresis.
1. Press the [Bus] key on the front panel.
2. Select the tab of the bus you want to set up, for example "SB1".
3. In the "Setup" tab, set "Protocol"="DDR".
4. Optionally, you can enter a "Bus label" on the "Display" tab.
5. Set the channels for the "DS" and "DQS".
6. Set the "Threshold" and "Hysteresis" values.
7. Enable "Decode".
13.27.2
Search on decoded DDR data
Using the search functionality, you can find various events in the decoded data. You
can find the same events that you can trigger on, and even many more, since several
event types can also be combined.
DDR (option R&S
RTO6-K91 )