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5.49.25TransmitCarrierSenseErrorsRegister(TXCARRIERSENSE)
5.49.26TransmitOctetFramesRegister(TXOCTETS)
5.49.27TransmitandReceive64OctetFramesRegister(FRAME64)
5.49.28TransmitandReceive65to127OctetFramesRegister(FRAME65T127)
5.49.29TransmitandReceive128to255OctetFramesRegister(FRAME128T255)
EthernetMediaAccessController(EMAC)Registers
ThetotalnumberofframesontheEMACthatexperiencedcarrierloss.Suchaframeisdefinedas
havingallofthefollowing:
•WasanydataorMACcontrolframedestinedforanyunicast,broadcast,ormulticastaddress
•Wasanysize
•Thecarriersenseconditionwaslostorneverassertedwhentransmittingtheframe(theframeisnot
retransmitted)
CRCerrorsandunderrunhavenoeffectonthisstatistic.
ThetotalnumberofbytesinallgoodframestransmittedontheEMAC.Agoodframeisdefinedas
havingallofthefollowing:
•AnydataorMACcontrolframethatwasdestinedforanyunicast,broadcast,ormulticastaddress
•Wasanylength
•Hadnolateorexcessivecollisions,nocarrierloss,andnounderrun
Thetotalnumberof64-byteframesreceivedandtransmittedontheEMAC.Suchaframeisdefinedas
havingallofthefollowing:
•AnydataorMACcontrolframethatwasdestinedforanyunicast,broadcast,ormulticastaddress
•Didnotexperiencelatecollisions,excessivecollisions,underrun,orcarriersenseerror
•Wasexactly64-byteslong.(Iftheframewasbeingtransmittedandexperiencedcarrierlossthat
resultedinaframeofthissizebeingtransmitted,thentheframeisrecordedinthisstatistic).
CRCerrors,alignment/codeerrors,andoverrunsdonotaffecttherecordingofframesinthisstatistic.
Thetotalnumberof65-byteto127-byteframesreceivedandtransmittedontheEMAC.Suchaframe
isdefinedashavingallofthefollowing:
•AnydataorMACcontrolframethatwasdestinedforanyunicast,broadcast,ormulticastaddress
•Didnotexperiencelatecollisions,excessivecollisions,underrun,orcarriersenseerror
•Was65-bytesto127-byteslong
CRCerrors,alignment/codeerrors,underruns,andoverrunsdonotaffecttherecordingofframesin
thisstatistic.
Thetotalnumberof128-byteto255-byteframesreceivedandtransmittedontheEMAC.Suchaframe
isdefinedashavingallofthefollowing:
•AnydataorMACcontrolframethatwasdestinedforanyunicast,broadcast,ormulticastaddress
•Didnotexperiencelatecollisions,excessivecollisions,underrun,orcarriersenseerror
•Was128-bytesto255-byteslong
CRCerrors,alignment/codeerrors,underruns,andoverrunsdonotaffecttherecordingofframesin
thisstatistic.
114EthernetMediaAccessController(EMAC)/SPRU941A–April2007
ManagementDataInput/Output(MDIO)
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