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5.4TransmitTeardownRegister(TXTEARDOWN)
EMACPortRegisters
Thetransmitteardownregister(TXTEARDOWN)isshowninFigure32anddescribedinTable32.
Figure32.TransmitTeardownRegister(TXTEARDOWN)
3116
Reserved
R-0
15320
ReservedTXTDNCH
R-0R/W-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table32.TransmitTeardownRegister(TXTEARDOWN)FieldDescriptions
BitFieldValueDescription
31-3Reserved0Reserved
2-0TXTDNCH0-3hTransmitteardownchannel.Transmitchannelteardowniscommandedbywritingtheencoded
valueofthetransmitchanneltobetorndown.Theteardownregisterisreadaszero.
0Teardowntransmitchannel0
1hTeardowntransmitchannel1
2hTeardowntransmitchannel2
3hTeardowntransmitchannel3
4hTeardowntransmitchannel4
5hTeardowntransmitchannel5
6hTeardowntransmitchannel6
7hTeardowntransmitchannel7
SPRU975B–August2006EthernetMediaAccessController(EMAC)/ManagementDataInput/Output(MDIO)87
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