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7.5Interrupts
7.5.1InterruptSourcesandInterruptController
TMS320C6454
Fixed-PointDigitalSignalProcessor
SPRS311A–APRIL2006–REVISEDDECEMBER2006
TheCPUinterruptsontheC6454deviceareconfiguredthroughtheC64x+MegamoduleInterrupt
Controller.Theinterruptcontrollerallowsforupto128systemeventstobeprogrammedtoanyofthe
twelveCPUinterruptinputs,theCPUexceptioninput,ortheadvancedemulationlogic.Table8-4shows
themappingofsystemeventstotheinterruptcontrollerinputs.Eventnumbers0-31correspondtothe
defaultinterruptmappingofthedevice.Theremainingeventsmustbemappedusingsoftware.
FormoreinformationontheInterruptController,seetheTMS320C64x+MegamoduleReferenceGuide
(literaturenumberSPRU871).
Table7-10.C6454DSPInterrupts
EVENTNUMBERINTERRUPTEVENTINTERRUPTSOURCE
0
(1)
EVT0InterruptControlleroutputofeventcombiner0,forevents1-31.
1
(1)
EVT1InterruptControlleroutputofeventcombiner1,forevents32-63.
2
(1)
EVT2InterruptControlleroutputofeventcombiner2,forevents64-95.
3
(1)
EVT3InterruptControlleroutputofeventcombiner3,forevents96-127.
4-8
(2)
ReservedReserved.Donotuse.
EMUinterruptfor:
1.Hostscanaccess
9
(2)
EMU_DTDMA
2.DTDMAtransfercomplete
3.AETinterrupt
10
(2)
ReservedReserved.Donotuse.
11
(2)
EMU_RTDXRXEMUreal-timedataexchange(RTDX)receivecomplete
12
(2)
EMU_RTDXTXEMURTDXtransmitcomplete
13
(2)
IDMA0IDMAchannel0interrupt
14
(2)
IDMA1IDMAchannel1interrupt
15
(2)
DSPINTHPI/PCI-to-DSPinterrupt
16I2CINTI2Cinterrupt
17MACINTEthernetMACinterrupt
18AEASYNCERREMIFAerrorinterrupt
19-23ReservedReserved.Donotuse.
24EDMA3CC_GINTEDMA3channelglobalcompletioninterrupt
25-39ReservedReserved.Donotuse.
40RINT0McBSP0receiveinterrupt
41XINT0McBSP0transmitinterrupt
42RINT1McBSP1receiveinterrupt
43XINT1McBSP1transmitinterrupt
44-50ReservedReserved.Donotuse.
51GPINT0GPIOinterrupt
52GPINT1GPIOinterrupt
53GPINT2GPIOinterrupt
54GPINT3GPIOinterrupt
55GPINT4GPIOinterrupt
56GPINT5GPIOinterrupt
57GPINT6GPIOinterrupt
58GPINT7GPIOinterrupt
(1)Interrupts0through3arenon-maskableandfixed.
(2)Interrupts4through15areprogrammablebymodifyingthebinaryselectorvaluesintheInterruptSelectorControlregistersfields.
showsthedefaultinterruptsourcesforInterrupts4through15.
C64x+PeripheralInformationandElectricalSpecifications 112SubmitDocumentationFeedback