Filter
Top Products
www.ti.com
2.5.5.10TeardownComplete(TDOWNCMPLT)Flag
2.5.5.11PassCRC(PASSCRC)Flag
2.5.5.12JabberFlag
2.5.5.13OversizeFlag
2.5.5.14FragmentFlag
2.5.5.15UndersizedFlag
2.5.5.16ControlFlag
2.5.5.17OverrunFlag
2.5.5.18CodeError(CODEERROR)Flag
2.5.5.19AlignmentError(ALIGNERROR)Flag
2.5.5.20CRCError(CRCERROR)Flag
PeripheralArchitecture
Thisflagisusedwhenareceivequeueisbeingtorndown,oraborted,insteadofbeingfilledwithreceived
data.Thiswouldhappenunderdevicedriverresetorshutdownconditions.TheEMACsetsthisbitinthe
descriptorofthefirstfreebufferwhentheteardownoccurs.Noadditionalqueueprocessingisperformed.
ThisflagissetbytheEMACintheSOPbufferdescriptorifthereceivedpacketincludesthe4-byteCRC.
Thisflagshouldbeclearedbythesoftwareapplicationbeforesubmittingthedescriptortothereceive
queue.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketisajabberframeandwas
notdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.Jabberframesareframesthat
exceedtheRXMAXLENinlength,andhaveCRC,code,oralignmenterrors.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketisanoversizedframeand
wasnotdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketisonlyapacketfragment
andwasnotdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketisundersizedandwas
notdiscardedbecausetheRXCSFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketisanEMACcontrolframe
andwasnotdiscardedbecausetheRXCMFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketwasabortedduetoa
receiveoverrun.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketcontainedacodeerror
andwasnotdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketcontainedanalignment
errorandwasnotdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.
ThisflagissetbytheEMACintheSOPbufferdescriptor,ifthereceivedpacketcontainedaCRCerror
andwasnotdiscardedbecausetheRXCEFENbitwassetintheRXMBPENABLE.
26EthernetMediaAccessController(EMAC)/SPRU941A–April2007
ManagementDataInput/Output(MDIO)
SubmitDocumentationFeedback