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5.47TransmitChannel0-7CompletionPointerRegister(TXnCP)
5.48ReceiveChannel0-7CompletionPointerRegister(RXnCP)
EthernetMediaAccessController(EMAC)Registers
Thetransmitchannel0-7completionpointerregister(TXnCP)isshowninFigure73anddescribedin
Table72.
Figure73.TransmitChannelnCompletionPointerRegister(TXnCP)
3116
TXnCP
R/W-x
150
TXnCP
R/W-x
LEGEND:R/W=Read/Write;-n=valueafterreset;-x=valueisindeterminateafterreset
Table72.TransmitChannelnCompletionPointerRegister(TXnCP)FieldDescriptions
BitFieldValueDescription
31-0TXnCP0-FFFFFFFFhTransmitchannelncompletionpointerregisteriswrittenbythehostwiththebufferdescriptor
addressforthelastbufferprocessedbythehostduringinterruptprocessing.TheEMACusesthe
valuewrittentodetermineiftheinterruptshouldbedeasserted.
Thereceivechannel0-7completionpointerregister(RXnCP)isshowninFigure74anddescribedin
Table73.
Figure74.ReceiveChannelnCompletionPointerRegister(RXnCP)
3116
RXnCP
R/W-x
150
RXnCP
R/W-x
LEGEND:R/W=Read/Write;-n=valueafterreset;-x=valueisindeterminateafterreset
Table73.ReceiveChannelnCompletionPointerRegister(RXnCP)FieldDescriptions
BitFieldValueDescription
31-0RXnCP0-FFFFFFFFhReceivechannelncompletionpointerregisteriswrittenbythehostwiththebufferdescriptor
addressforthelastbufferprocessedbythehostduringinterruptprocessing.TheEMACusesthe
valuewrittentodetermineiftheinterruptshouldbedeasserted.
SPRU941A–April2007EthernetMediaAccessController(EMAC)/107
ManagementDataInput/Output(MDIO)
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