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Protocol analysis
R&S
®
MXO 5 Series
308User Manual 1802.3369.02 ─ 02
Prerequisites: A bus is configured for the SPI and decoded.
1. Tap on the "SPI" shortcut.
2. Tap on the "Shortcuts" tab.
3. Tap "Export results".
4. If necessary, enable "Include details".
5. If necessary, enable "Include timing".
6. Select the "File type".
An export file is saved in the selected directory.
The SPI export file contains the following fields:
●
A list of all decoded frames:
– Index
– Start
– Stop
– Source
– State
– Bit rate
●
The details frame includes the following fields:
– Index
– Start time
– Stop time
– MOSI values
– MISO values
Example SPI export file
Index,Start,Stop,State,Count,BitRate
1,-2.9e-05,-2.872e-05,'OK',2,50000000
2,-2.844e-05,-2.83e-05,'OK',1,50000000
3,-2.816e-05,-2.788e-05,'OK',2,50000000
4,-2.76e-05,-2.746e-05,'VOID',0,---
Details frame 1
Index,Start Time,Stop Time,MOSI Values,MISO Values
1,-2.9e-05,-2.886e-05,AFh,---
2,-2.886e-05,-2.872e-05,FEh,---
Details frame 2
Index,Start Time,Stop Time,MOSI Values,MISO Values
1,-2.844e-05,-2.83e-05,---,34h
Details frame 3
Index,Start Time,Stop Time,MOSI Values,MISO Values
SPI bus (option R&S
MXO5-K510)
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