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Serial Bus Analysis
R&S
®
RTB2000
174User Manual 1333.1611.02 ─ 03
5. Select the sources of the signal lines, the channels to which the lines are connec-
ted.
6. Set the threshold. Use one of the following methods:
● Tap "Find Threshold". The instrument evaluates the signal and sets the thresh-
old.
● Enter the threshold value in the numeric field.
7. Set the other signal parameters according to the signal characteristics. All settings
are described below.
8. In the "Bus" menu, enable "Decode".
SPI/SSPI configuration settings
Figure 12-3: SPI (3 wire) setup
Figure 12-4: SSPI (2 wire) setup
Chip Select..................................................................................................................175
Clock........................................................................................................................... 175
Slope...........................................................................................................................175
Data.............................................................................................................................175
Polarity........................................................................................................................ 175
SPI/SSPI Bus (Option R&S RTB-K1)
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