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4.6MDIOLinkStatusChangeInterrupt(Masked)Register(LINKINTMASKED)
MDIORegisters
TheMDIOlinkstatuschangeinterrupt(masked)register(LINKINTMASKED)isshowninFigure18and
describedinTable16.
Figure18.MDIOLinkStatusChangeInterrupt(Masked)Register(LINKINTMASKED)
3116
Reserved
R-0
15210
ReservedLINKINTMASKED
R-0R/WC-0
LEGEND:R=Readonly;R/W=Read/Write;WC=Write1toclear;-n=valueafterreset
Table16.MDIOLinkStatusChangeInterrupt(Masked)Register(LINKINTMASKED)
FieldDescriptions
BitFieldValueDescription
31-2Reserved0Reserved
1-0LINKINTMASKEDMDIOLinkchangeinterrupt,maskedvalue.Whenasserted,abitindicatesthattherewasanMDIO
linkchangeevent(thatis,changeintheLINKregister)correspondingtothePHYaddressin
USERPHYSELandthecorrespondingLINKINTENBbitwasset.LINKINTMASKED[0]and
LINKINTMASKED[1]correspondtoUSERPHYSEL0andUSERPHYSEL1,respectively.Writinga1
willcleartheeventandwritinga0hasnoeffect.
0NoMDIOlinkchangeevent.
1AnMDIOlinkchangeevent(changeintheLINKregister)correspondingtothePHYaddressin
MDIOuserPHYselectregistern(USERPHYSELn)andtheLINKINTENBbitinUSERPHYSELnis
setto1.
SPRU941A–April2007EthernetMediaAccessController(EMAC)/59
ManagementDataInput/Output(MDIO)
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