4.5MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
MDIORegisters
TheMDIOlinkstatuschangeinterrupt(unmasked)register(LINKINTRAW)isshowninFigure31and
describedinTable29.
Figure31.MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
3116
Reserved
R-0
15210
ReservedLINKINTRAW
R-0R/W1C-0
LEGEND:R=Readonly;R/W=Read/Write;W1C=Write1toclear,writeof0hasnoeffect;-n=valueafterreset
Table29.MDIOLinkStatusChangeInterrupt(Unmasked)Register(LINKINTRAW)
FieldDescriptions
BitFieldValueDescription
31-2Reserved0Reserved
1-0LINKINTRAW0-3hMDIOLinkchangeevent,rawvalue.Whenasserted,abitindicatesthattherewasanMDIOlink
changeevent(thatis,changeintheLINKregister)correspondingtothePHYaddressinthe
USERPHYSELregister.LINKINTRAW[0]andLINKINTRAW[1]correspondtoUSERPHYSEL0and
USERPHYSEL1,respectively.Writinga1willcleartheeventandwritinga0hasnoeffect.
0NoMDIOlinkchangeevent.
1AnMDIOlinkchangeevent(changeintheLINKregister)correspondingtothePHYaddressin
MDIOuserPHYselectregistern(USERPHYSELn).
74EthernetMediaAccessController(EMAC)/ManagementDataInput/Output(MDIO)SPRUEQ6–December2007
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