Protocol analysis
R&S
®
RTP
513User Manual 1337.9952.02 ─ 12
Make sure that the tab of the correct serial bus is selected.
Protocol
Defines the protocol type of the selected serial bus.
Remote command:
BUS<m>:TYPE on page 1548
Decode
Enables the decoding of the selected bus. The signal icon of the bus appears on the
signal bar.
Remote command:
BUS<m>[:STATe] on page 1548
13.1.2 Autoset for protocols
If you want to perform a quick protocol measurement, you can use the "Autoset" func-
tion. It allows you to find the correct instrument settings for the desired protocol. It dis-
plays at least one decoded frame after the execution.
Performing a protocol autoset
1. Press [Protocol] on the front panel.
2. Select the bus you want to configure.
3. Select the "Setup" tab.
4. Tap the "Protocol" you want to configure.
5. Assign the sources for the input channels.
6. Press the "Autoset" button.
"Autoset" performs the following steps:
●
Executes "Autoset" for the horizontal and vertical scale.
●
Adjusts the horizontal scale to display at least one frame or packet .
●
Executes "Find thresholds" to determine the thresholds.
●
If necessary, performs bit rate estimation.
●
Sets default protocol trigger (frame start) .
●
Turns on the protocol decoder.
Remote command:
BUS<m>:FAUToset on page 1549
There are some limitations for the autoset:
●
It is not available, if the digital MSO channels are selected as a source for the
waveform.
Basics of protocol analysis
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