Data Sheet

USBProtocolSuiteUserManual 281
RecordingRules‐USB2.0 TeledyneLeCroyCorporation
Figure 5.52: Data Pattern Dialog.
IntheDataPatterndialog,youcansettheBitmask,Mask,andMatchforeachbit,
BitmaskandMatchalwayscorrelate.WhenyousetBitmaskorMatch,theotherchanges
tomaintaintheircorrelation.
Note:IfyousetBitmask/MatchbeforesettingMask,theMaskchangestothedefaultmask.Youmust
changetotheMaskthatyouwant.
IfyousetanappropriateMaskbeforesettingBitmask/Match,theMaskdoesnotchange
automaticallytoadefaultmaskifyouchangeBitmask/Match.
Note:Ifyouaretryingtomatchlessthan16bytesofdataandwantittomatchthepatterninadata
payloadwhichmightbelessthan16bytes,alignyourpatterntotheENDofthe16bytemask/
matcharray.Forexample,ifyouwanttomatchtheSCSIheader“USBS”inapayloadthatMIGHT
belessthan16bytes,youwouldfilloutthetableasfollows: