Teledyne LeCroy Conquest User Manual - Users Manual - Manual (Page 136)

Timing Analysis (Optional)
126
Results Display
You can customize the results display by adding or removing signals from the
display and using cursors and bookmarks to make timing measurements and
mark results for later review.
For ways to customize the results display, see “Timing Analysis Display” on
page 183. For filtering, see “Filter” on page 180. For using cursors and
bookmarks, see “Using the Cursors and Bookmarks” on page 186.
Timing Analyzer Errors
Invalid EOP FS/LS: Detected short EOP or long EOP.
False EOP Detected misplaced EOP.
Invalid Bit Width FS/LS: Width of bit is outside nominal range,
accounting for Jitter_NT.
Bit Stuff Detected seven consecutive 1s.
Bad Sync FS/LS: Synch value is not 80h.
Jitter_NT
(Next Transition Jitter)
FS/LS: Jitter measured from each transition to
next transition exceeds maximum.
Jitter_PT
(Paired Transition Jitter)
FS/LS: Jitter measured for any set of paired
(JK-to-next JK transition or KJ-to-next KJ
transition) exceeds maximum.
Inter-packet Delay FS/LS: Delays measured between packets
moving in the same direction are not within
limits.
HS: Delays measured between packets moving
in the same direction are not within limits.
End-to-end Delay FS/LS: Packet response exceeds limit.
Skew D+ and D- transitions did not occur
simultaneously.
Limitations
Slightly different rising and falling edge thresholds of D+ and D- signals may
display transitions, that ideally occur simultaneously, as one clock period
apart. Similarly, this also may occur in the RCV signal.