Trigger Setup
10. I f 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 butto n an d enter
the num ber 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
Identifier, Data,orIdenti fier & Data,push
the lower-bezel Identifier or Data buttons
and enter the parameters of interest on the
resulting side-bezel menu.
IfyouhavemadeaTrigger On selection of
Error, push the lower-bezel Error Typ e 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 trigg er on data, you d e fine the number of bytes to
match. Then the oscilloscope u se s a rolling window to fin d any m atch within a packet, with the window rolling one byte at a time.
142 DPO2000 and MSO2000 S eries Oscilloscopes User Manual