4MDIORegisters
4.1MDIOVersionRegister(VERSION)
MDIORegisters
Table24liststhememory-mappedregistersfortheMDIOmodule.Seethedevice-specificdatamanual
forthememoryaddressoftheseregisters.
Table24.ManagementDataInput/Output(MDIO)Registers
OffsetAcronymRegisterDescriptionSection
0hVERSIONMDIOVersionRegisterSection4.1
4hCONTROLMDIOControlRegisterSection4.2
8hALIVEPHYAliveStatusregisterSection4.3
ChLINKPHYLinkStatusRegisterSection4.4
10hLINKINTRAWMDIOLinkStatusChangeInterrupt(Unmasked)RegisterSection4.5
14hLINKINTMASKEDMDIOLinkStatusChangeInterrupt(Masked)RegisterSection4.6
20hUSERINTRAWMDIOUserCommandCompleteInterrupt(Unmasked)RegisterSection4.7
24hUSERINTMASKEDMDIOUserCommandCompleteInterrupt(Masked)RegisterSection4.8
28hUSERINTMASKSETMDIOUserCommandCompleteInterruptMaskSetRegisterSection4.9
2ChUSERINTMASKCLEARMDIOUserCommandCompleteInterruptMaskClearRegisterSection4.10
80hUSERACCESS0MDIOUserAccessRegister0Section4.11
84hUSERPHYSEL0MDIOUserPHYSelectRegister0Section4.12
88hUSERACCESS1MDIOUserAccessRegister1Section4.13
8ChUSERPHYSEL1MDIOUserPHYSelectRegister1Section4.14
TheMDIOversionregister(VERSION)isshowninFigure27anddescribedinTable25.
Figure27.MDIOVersionRegister(VERSION)
3116
MODID
R-7h
15870
REVMAJREVMIN
R-1hR-3h
LEGEND:R=Readonly;-n=valueafterreset
Table25.MDIOVersionRegister(VERSION)FieldDescriptions
BitFieldValueDescription
31-16MODID0-FFFFhIdentifiestypeofperipheral.
7hMDIO
15-8REVMAJ0-FFhIdentifiesmajorrevisionofperipheral.
1hCurrentmajorrevisionofperipheral.
7-0REVMIN0-FFhIdentifiesminorrevisionofperipheral.
3hCurrentminorrevisionofperipheral.
SPRUEQ6–December2007EthernetMediaAccessController(EMAC)/ManagementDataInput/Output(MDIO)71
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