Data Sheet

TeledyneLeCroyCorporation USB2PacketHidingOptions
416 USBProtocolSuiteUserManual
8.3 USB2 Packet Hiding Options
Bydefault,nodatapackets,transactions,orbusconditionsarehidden.Youcanhide:
 StartofFramepackets
 NAK’edtransactions
 ChirpBusconditions
 ResetBusconditions
 SE0Busconditions
 High,Full,orLowSpeedpackets
 Channel0orChannel1packets
Youcanallowanytogglevalueafterbusreset(IntandBulkEndpoints).Dependingonthe
device,afterBusResettheendpointtogglestatemightormightnotbereset.Selecting
thisoptionpreventsdisplayofatoggleviolationerror.
Youcanhave2‐stageSOFhiding.YoucandisplayallSOFs,hideallSOFs,orhideempty
SOFs(showonlySOFswithendpointtrafficandhideemptyframes).Selectingthisoption
allowsyoutohideemptySOFswithoneclickoftheHideSOFbuttonorhideallSOFswith
twoclicksoftheHideSOFbutton.
SelecttheUSB2PacketHidingtab,thenselectthedatatypestohide(seeFigure 8.6on
page 417.)