Keysight DSOX3012T, Руководство пользователя

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502 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
32
SENT Triggering and Serial Decode
SENT Triggering
To set up the oscilloscope to capture SENT signals, see “Setup for SENT
Signals" on page 497.
To set up a SENT trigger condition:
1 Press [Trigger] .
2 In the Trigger Menu, press the Trigger Type softkey; then, turn the Entry knob to
select the serial decode (Serial 1 or Serial 2) of the SENT signal.
3 Press the Trigger on: softkey and use the Entry knob to select the SENT
trigger condition:
• Start of Fast Channel Message — triggers on the start of any Fast Channel
Message (after 56 Synchronization/Calibration ticks).
• Start of Slow Channel Message — trigger on the start of any Slow Channel
Message.
• Fast Channel SC & Data — triggers on a Fast Channel Message when the Status
& Communication nibble and the data nibbles match the values entered
using additional softkeys.
• Slow Channel Message ID — triggers when a Slow Channel Message ID
matches the value entered using additional softkeys.
• Slow Channel Message ID & Data — triggers when a Slow Channel Message ID
and Data field both match the values entered using additional softkeys.
• Tolerance Violation — triggers when the sync pulse width varies from the
nominal value by greater than the entered percentage.
• Fast Channel CRC Error — triggers on any Fast Channel Message CRC error.
• Slow Chanel CRC Error — triggers on any Slow Channel Message CRC error.
• All CRC Errors — triggers on any CRC error, Fast or Slow.
• Pulse Period Error — triggers if a nibble is either too wide or too narrow (for
example, data nibble < 12 (11.5) or > 27 (27.5) ticks wide). Sync, S&C, data,
or checksum pulse periods are checked.