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4.47InterruptRegisterforEndpoint0PlusTransmitEndpoints1to4(INTRTX)
4.48InterruptRegisterforReceiveEndpoints1to4(INTRRX)
Registers
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Table62.PowerManagementRegister(POWER)FieldDescriptions(continued)
BitFieldValueDescription
3RESET0-1ThisbitissetwhenResetsignalingispresentonthebus.Note:ThisbitisRead/WriteinHost
Mode,butread-onlyinPeripheralMode.
2RESUME0-1SettogenerateResumesignalingwhenthecontrollerisinSuspendmode.Thebitshouldbe
clearedafter10ms(amaximumof15ms)toendResumesignaling.InHostmode,thisbitisalso
automaticallysetwhenResumesignalingfromthetargetisdetectedwhiletheUSBcontrolleris
suspended.
1SUSPENDM0-1InHostmode,thisbitshouldbesettoenterSuspendmode.InPeripheralmode,thisbitisseton
entryintoSuspendmode.Itisclearedwhentheinterruptregisterisread,ortheRESUMEbitisset.
0ENSUSPM0-1SettoenabletheSUSPENDMoutput.
TheInterruptRegisterforEndpoint0PlusTransmitEndpoints1to4(INTRTX)isshowninFigure62and
describedinTable63.
Figure62.InterruptRegisterforEndpoint0PlusTxEndpoints1to4(INTRTX)
158
Reserved
R-0
7543210
ReservedEP4TXEP3TXEP2TXEP1TXEP0
R-0R-0R-0R-0R-0R-0
LEGEND:R=Readonly;-n=valueafterreset
Table63.InterruptRegisterforEndpoint0PlusTransmitEndpoints1to4(INTRTX)
FieldDescriptions
BitFieldValueDescription
15-5Reserved0Reserved
4EP4TX0-1TransmitEndpoint4interruptactive
3EP3TX0-1TransmitEndpoint3interruptactive
2EP2TX0-1TransmitEndpoint2interruptactive
1EP1TX0-1TransmitEndpoint1interruptactive
0EP00-1Endpoint0interruptactive
TheInterruptRegisterforReceiveEndpoints1to4(INTRRX)isshowninFigure63anddescribedin
Table64.
UniversalSerialBus(USB)Controller 112SPRUGH3–November2008
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