Filter
Top Products
4.12USBEndofInterruptRegister(EOIR)
4.13USBInterruptVectorRegister(INTVECTR)
Registers
www.ti.com
TheUSBEndofInterruptRegister(EOIR)isshowninFigure27anddescribedinTable28.
Figure27.USBEndofInterruptRegister(EOIR)
3116
Reserved
R-0
15870
ReservedVECTOR
R-0R/W-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table28.USBEndofInterruptRegister(EOIR)FieldDescriptions
BitFieldValueDescription
31-8Reserved0Reserved
7-0VECTOR0-FFhEOIVector
AllowstheCPUtoacknowledgecompletionofaninterruptbywritingtotheEOI.Aneoi_writesignalwill
begenerated,theEOIvectorwillbeupdatedtothewrittenvalue,andanotherinterruptwillbetriggered
ifinterruptsourcesremain.SoftwareshouldalwayswritezerosfortheEOIvectorvalue.
TheUSBInterruptVectorRegister(INTVECTR)isshowninFigure28anddescribedinTable29.
Figure28.USBInterruptVectorRegister(INTVECTR)
310
VECTOR
R-0
LEGEND:R=Readonly;-n=valueafterreset
Table29.USBInterruptVectorRegister(INTVECTR)FieldDescriptions
BitFieldValueDescription
31-0VECTOR0-FFFFFFFFhInputInterruptVector
RecyclestheInterruptVectorinputtobereadbytheCPU
UniversalSerialBus(USB)Controller 92SPRUGH3–November2008
SubmitDocumentationFeedback