Trigger Setup
10.
If you are setting up an RS-232 trigger and
have made a
Trigger On
selection of
Tx Data
or
Rx Data
, push the lower-bezel
Data
button.
Push the
Number of Bytes
button and enter
the number of bytes with multipurpose knob
a
.
Push the side-bezel
Data
button, and enter
the parameters of interest with multipurpose
knobs
a
and
b
.
11.
If you are setting up an LIN trigger and
have made a
Trigger On
selection of
Identi
fi
er
,
Data
, or
Identi
fi
er & Data
, push
the lower-bezel
Identi
fi
er
or
Data
buttons
and enter the parameters of interest on the
resulting side-bezel menu.
If you have made a
Trigger On
selection of
Error
, push the lower-bezel
Error Type
button
and enter the parameters of interest on the
resulting side-bezel menu.
I
2
C, SPI, CAN, and LIN Bus Trigger Data Matching
Rolling window byte matching for I
2
C and SPI.
To use a rolling window to trigger on data, you de
fi
ne the number of bytes to
match. Then the oscilloscope uses a rolling window to
fi
nd any match within a packet, with the window rolling one byte at a time.
128
DPO3000 Series Oscilloscopes User Manual
