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4.70ReceiveTypeRegister(Hostmodeonly)(HOST_RXTYPE)
4.71ReceiveIntervalRegister(Hostmodeonly)(HOST_RXINTERVAL)
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Registers
TheReceiveTypeRegister(Hostmodeonly)(HOST_RXTYPE)isshowninFigure85anddescribedin
Table86.
Figure85.ReceiveTypeRegister(Hostmodeonly)(HOST_RXTYPE)
765430
SPEEDPROTRENDPN
R/W-0R/W-0R/W-0
LEGEND:R/W=Read/Write;-n=valueafterreset
Table86.ReceiveTypeRegister(Hostmodeonly)(HOST_RXTYPE)FieldDescriptions
BitFieldValueDescription
7-6SPEED0-3hOperatingSpeedofTargetDevice
0Illegal
1hHigh
2hFull
3hLow
5-4PROT0-3hSetthistoselecttherequiredprotocolforthetransmitendpoint
0Control
1hIsochronous
2hBulk
3hInterrupt
3-0RENDPN0-FhSetthisvaluetotheendpointnumbercontainedintheReceiveendpointdescriptorreturnedtotheUSB
controllerduringdeviceenumeration
TheReceiveIntervalRegister(Hostmodeonly)(HOST_RXINTERVAL)isshowninFigure86and
describedinTable87.
Figure86.ReceiveIntervalRegister(Hostmodeonly)(HOST_RXINTERVAL)
70
POLINTVL_NAKLIMIT
R/W-0
LEGEND:R/W=Read/Write;-n=valueafterreset
SPRUGH3–November2008UniversalSerialBus(USB)Controller131
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