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4.5MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
MDIORegisters
TheMDIOlinkstatuschangeinterrupt(unmasked)register(LINKINTRAW)isshowninFigure17and
describedinTable15.
Figure17.MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
3116
Reserved
R-0
15210
ReservedLINKINTRAW
R-0R/WC-0
LEGEND:R=Readonly;R/W=Read/Write;WC=Write1toclear;-n=valueafterreset
Table15.MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
FieldDescriptions
BitFieldValueDescription
31-2Reserved0Reserved
1-0LINKINTRAWMDIOLinkchangeevent,rawvalue.Whenasserted,abitindicatesthattherewasanMDIOlink
changeevent(thatis,changeintheLINKregister)correspondingtothePHYaddressin
USERPHYSEL.LINKINTRAW[0]andLINKINTRAW[1]correspondtoUSERPHYSEL0and
USERPHYSEL1,respectively.Writinga1willcleartheeventandwritinga0hasnoeffect.
0NoMDIOlinkchangeevent.
1AnMDIOlinkchangeevent(changeintheLINKregister)correspondingtothePHYaddressin
MDIOuserPHYselectregistern(USERPHYSELn).
58EthernetMediaAccessController(EMAC)/SPRU941A–April2007
ManagementDataInput/Output(MDIO)
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