Data Sheet

USBProtocolSuiteUserManual 463
ErrorSummary TeledyneLeCroyCorporation
10.3.2 USB 3.1 Errors
ThefigurebelowandthetablefollowingitlistanddescribetheUSB2.0and3.1errors.
Figure 10.7: Traffic Summary Report (USB 3.1)
ThefollowingtablelistseachUSB3.1errortypeanditsdescription.
Error Type Error Description
BadCRC5
TheCRC5fieldhasanincorrectvalue.Thepacketiscorrupt
(eitherthedataortheCRCitself).
BadCRC16
TheCRC16fieldhasanincorrectvalue.Thepacketiscorrupt
(eitherthedataortheCRCitself).
BadCRC32
TheCRC32fieldhasanincorrectvalue.ThePacketiscorrupt
(eitherthedataortheCRCitself).
RunningDisparity
(RD)Error
Thesymbolcapturedhasanincorrectnumberof"1"bitsthan
expectedbyfollowingthe10‐bitsymbolencodingrules.
10‐bitSymbolError
(InvSym)
Anillegal/undefined10‐bitsymbolpatternwasdetected.Not
allcombinationsof10‐bitsarelegalinthis8B/10Bscheme.
UnknownPacket
Thetypeofthepacketdeclaredintheheaderisnotsupported
intheUSB3.1Specification.
FramingSymbol
Error
Thesequenceofframingsymbolsfoundisnotsupportedby
theUSB3.1Specification.
LinkCommandData
SymbolError
Adatafieldinthelinkcommandhasanincorrectsymbol
value.
BadHeaderPacket
Length
HeaderPackethasalengthotherthan16bytes.
BadDataLength
Field
TheDataPacketHeaderhasawrongvalueintheDataLength
field.