Data Sheet

TeledyneLeCroyCorporation RecordingRules‐USB2.0
276 USBProtocolSuiteUserManual
Figure 5.50: Advancing the Sequence.
Inotherwords,theAdvancetheSequencebuttonisthelinkbetweentwostatesina
multi‐statesequence.TheAdvancetheSequencearrowtellstheanalyzertogotothe
nextstateifitdetectstheeventatthetail(origin)ofthearrow.
TheActionpop‐upmenuhasthefollowingrestartandtriggeroptions:
 RestartAll:Restartsallrulesinallsequencesandintheglobalstateanddisplays
anarrowandaRestartAllbutton.ThisactionprecludesselectingAdvancethe
SequenceandRestarttheSequence.USB2.0only.
 ExternalTriggerPulseHIGH:SendsanoutputsignalwithaPulseHighformat
throughtheoutputportsonthebackoftheUPAS.PulseHighisthedefaultfor‐
mat.PulseHighcausestheanalyzertotransmita5‐volt,40‐nanosecondsignal.
TeledyneLeCroyProtocolAnalyzersuseaTTLcompatibleoutputdriver.This
driverisnotintendedtodrivea50ohmDCload.Whendoingsotheoutputlevel
isreducedfrom3.3voltsto2.2volts.Thisdoesnotharmtheoutputdriver.To
seethefulllevel,itisrequiredtochangetheinputimpedanceonthedevice
receivingthetriggerfrom50ohmsDCtohighimpedance.
 Properties:DisplaystheActionPropertiesdialogfortheselectedaction.
AdvancetonextStateofSequence