Protocol analysis
R&S
®
RTE
867User Manual 1326.1032.02 ─ 20
13.18.2.3 Configuring the SpaceWire signals
For configuration, assign the lines to the input channels and define the logical thresh-
olds and the hysteresis.
1. Press the [PROTOCOL] key on the front panel.
2. Select the tab of the bus you want to set up, for example "SB1".
3. In the "Decode" tab, set "Protocol"="SpaceWire".
4. Select the source and polarity for the strobe and data signals.
5. Enter the "Threshold" and the "Hysteresis" for the strobe and data signals.
6. Set the "Sync Settings" and the "Bit Position" if necessary.
7. Enable "Decode".
13.18.3 SpaceWire trigger
13.18.3.1 SpaceWire trigger settings
Access: [PROTOCOL] > "Trigger" tab > "Source = Serial Bus"
Make sure that:
●
In the [PROTOCOL] > "Decode" tab:
– The correct "Protocol" is selected.
– The data sources of the serial bus are channel signals.
●
In the "Trigger" > "Setup" tab:
– The trigger "Sequence" = "A only".
– The trigger "Source" = "Serial bus".
– The correct "Serial bus" is selected.
SpaceWire (option R&S RTE-K65)