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Protocol analysis
R&S
®
MXO 4 Series
275User Manual 1335.5337.02 ─ 05
13 Protocol analysis
Using the serial protocol options for the R&S MXO 4, you can analyze various serial
protocols.
● Basics of protocol analysis....................................................................................275
● SPI bus (option R&S MXO4-K510)....................................................................... 283
● I²C (option R&S MXO4-K510)...............................................................................293
● UART (option R&S MXO4-K510)..........................................................................306
● CAN (option R&S MXO4-K520)............................................................................ 317
● LIN (option R&S MXO4-K520).............................................................................. 337
13.1 Basics of protocol analysis
With the R&S MXO 4 oscilloscope, you can decode selected protocols.
With dual-path protocol analysis, you can set the instrument sample rate for the wave-
form path and the oscilloscope automatically uses another internal decoupled sample
rate for the decoding path. Even with very slow sample rates, the protocol data is cor-
rectly decoded.
With the R&S MXO 4, you can use deep memory to capture more packets. The oscillo-
scope can capture long time periods where the cause and result are distanced in time.
Over the entire capture, signal detail is time-correlated with packet content for fast
debug.
Basics of protocol analysis
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