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TMS320C6727,TMS320C6726,TMS320C6722
Floating-PointDigitalSignalProcessors
SPRS268E–MAY2005–REVISEDJANUARY2007
Table4-36.RTIRegisters(continued)
BYTEADDRESSREGISTERNAMEDESCRIPTION
0x42000088RTIINTFLAGInterruptFlags.Interruptpendingbits.
0x42000090RTIDWDCTRLDigitalWatchdogControl.EnablestheDigitalWatchdog.
0x42000094RTIDWDPRLDDigitalWatchdogPreload.SetstheexperationtimeoftheDigitalWatchdog.
0x42000098RTIWDSTATUSWatchdogStatus.ReflectsthestatusofAnalogandDigitalWatchdog.
0x4200009CRTIWDKEYWatchdogKey.Correctwrittenkeyvaluesdischargetheexternalcapacitor.
0x420000A0RTIDWDCNTRDigitalWatchdogDown-Counter
Figure4-41showsthebitlayoutoftheCFGRTIregisterandTable4-37containsadescriptionofthebits.
318
Reserved
764320
ReservedCAPSEL1ReservedCAPSEL0
R/W,0R/W,0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Figure4-41.CFGRTIRegisterBitLayout(0x40000014)
Table4-37.CFGRTIRegisterBitFieldDescription(0x40000014)
RESETREAD
BITNO.NAMEDESCRIPTION
VALUEWRITE
31:7,3ReservedN/AN/AReadsareindeterminate.Only0sshouldbewrittentothesebits.
6:4CAPSEL10R/WCAPSEL0selectstheinputtotheRTIInputCapture0function.
CAPSEL1selectstheinputtotheRTIInputCapture1function.
2:0CAPSEL00R/W
Theencodingisthesameforbothfields:
000=SelectMcASP0TransmitDMAEvent
001=SelectMcASP0ReceiveDMAEvent
010=SelectMcASP1TransmitDMAEvent
011=SelectMcASP1ReceiveDMAEvent
100=SelectMcASP2TransmitDMAEvent
101=SelectMcASP2ReceiveDMAEvent
Othervaluesarereservedandtheireffectisnotdetermined.
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