Filter
Top Products
www.ti.com
7.5Interrupts
7.5.1InterruptSourcesandInterruptController
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
TheCPUinterruptsontheC6455deviceareconfiguredthroughtheC64x+MegamoduleInterrupt
Controller.Theinterruptcontrollerallowsforupto128systemeventstobeprogrammedtoanyofthe
twelveCPUinterruptinputs(CPUINT4-CPUINT15),theCPUexceptioninput(EXCEP),ortheadvanced
emulationlogic.The128systemeventsconsistofbothinternally-generatedevents(withinthe
megamodule)andchip-levelevents.Table7-10showsthemappingofsystemevents.Formore
informationontheInterruptController,seetheTMS320C64x+MegamoduleReferenceGuide(literature
numberSPRU871).
Table7-10.C6455SystemEventMapping
EVENTNUMBERINTERRUPTEVENTDESCRIPTION
0
(1)
EVT0Outputofeventcombiner0ininterruptcontroller,forevents1-31.
1
(1)
EVT1Outputofeventcombiner1ininterruptcontroller,forevents32-63.
2
(1)
EVT2Outputofeventcombiner2ininterruptcontroller,forevents64-95.
Outputofeventcombiner3ininterruptcontroller,forevents96-
3
(1)
EVT3
127.
Reserved.Thesesystemeventsarenotconnectedand,therefore,
4-8Reserved
notused.
EMUinterruptfor:
1.Hostscanaccess
9
(1)
EMU_DTDMA
2.DTDMAtransfercomplete
3.AETinterrupt
10NoneThissystemeventisnotconnectedand,therefore,notused.
11
(1)
EMU_RTDXRXEMUreal-timedataexchange(RTDX)receivecomplete
12
(1)
EMU_RTDXTXEMURTDXtransmitcomplete
13
(1)
IDMA0IDMAchannel0interrupt
14
(1)
IDMA1IDMAchannel1interrupt
15DSPINTHPI/PCI-to-DSPinterrupt
16I2CINTI2Cinterrupt
17MACINTEthernetMACinterrupt
18AEASYNCERREMIFAerrorinterrupt
Reserved.Thissystemeventisnotconnectedand,therefore,not
19Reserved
used.
20INTDST0RapidIOinterrupt0
21INTDST1RapidIOinterrupt1
22INTDST4RapidIOinterrupt4
Reserved.Thissystemeventisnotconnectedand,therefore,not
23Reserved
used.
24EDMA3CC_GINTEDMA3channelglobalcompletioninterrupt
Reserved.Thesesystemeventsarenotconnectedand,therefore,
25-31Reserved
notused.
32VCP2_INTVCP2errorinterrupt
33TCP2_INTTCP2errorinterrupt
Reserved.Thesesystemeventsarenotconnectedand,therefore,
34-35Reserved
notused.
36UINTUTOPIAinterrupt
Reserved.Thesesystemeventsarenotconnectedand,therefore,
37-39Reserved
notused.
40RINT0McBSP0receiveinterrupt
(1)ThissystemeventisgeneratedfromwithintheC64x+megamodule.
C64x+PeripheralInformationandElectricalSpecifications 124SubmitDocumentationFeedback